CN100532581C - Method and apparatus for decarburization of molten steel - Google Patents
Method and apparatus for decarburization of molten steel Download PDFInfo
- Publication number
- CN100532581C CN100532581C CNB038197626A CN03819762A CN100532581C CN 100532581 C CN100532581 C CN 100532581C CN B038197626 A CNB038197626 A CN B038197626A CN 03819762 A CN03819762 A CN 03819762A CN 100532581 C CN100532581 C CN 100532581C
- Authority
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- China
- Prior art keywords
- steel melt
- winding
- oxygen
- pipe
- decarburization
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/068—Decarburising
- C21C7/0685—Decarburising of stainless steel
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/005—Manufacture of stainless steel
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/30—Regulating or controlling the blowing
- C21C5/32—Blowing from above
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/30—Regulating or controlling the blowing
- C21C5/35—Blowing from above and through the bath
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4606—Lances or injectors
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/068—Decarburising
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/072—Treatment with gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/16—Introducing a fluid jet or current into the charge
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Processing Of Solid Wastes (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The invention relates to methods and a device for decarbonising a steel melt (3) during the production of stainless steel in a metallurgical vessel (2), especially in a converter, whereby the steel melt (3) is treated with oxygen and optionally an inert gas, especially argon and/or nitrogen. During the decarbonisation of said steel melt (3) such that it has a carbon content of below 0.3 wt. %, oxygen and optionally inert gas, especially argon and/or nitrogen, are brought into contact therewith (3) by means of an opening beneath the surface of the steel melt (3) and a blowing device arranged above the surface of the steel melt (3).
Description
The present invention relates at smelting vessel, particularly preparation is used for the method and the device of decarburization of steel melt in the stainless process in the converter, handles with oxygen and rare gas element, particularly argon and/or nitrogen at this steel melt.
In a kind of method that is used for the steel melt decarburization, particularly known according to the AOD-method, under the situation of utilizing corresponding top-winding-up pipe, adopt when in steel melt, being higher than the carbon content of 0.3 weight % in principle and blow sour process and carry out decarburization.Decarburization is carried out decarburization by the work of lower channel nozzle when being lower than the carbon content of 0.3 weight % in steel melt.Yet only cause the inadequate mixing of steel melt by the work of lower channel nozzle.The pressure of high iron static state is arranged in this external lower channel mentioned nozzle area, and it plays disadvantageous effect to decarburization.
So task of the present invention is, avoid the shortcoming of prior art and develop according to the method for chatting part before the claim 1 and according to the device of chatting part before claim 6 and 7, can realize the economic especially and effectively decarburization of steel melt with this.
This task is corresponding to solving according to the method for the characteristic of claim 1 of the present invention with corresponding to the device of the characteristic of claim 6 according to the present invention and 7.
Realize the special good mixing of metal trough by the co-operation of lower channel nozzle and top winding-up pipe.
By measure decarburization according to the present invention than the remarkable quickening of prior art.
When special embodiment according to the present invention is sloughed the carbon of the carbon content that is lower than 0.3 weight % in steel melt in steel melt, contact with steel melt by device for blowing with most of oxygen in the subsurface hole of steel melt by device for blowing.
By measure decarburization according to the present invention than the remarkable quickening of prior art.
The embodiment preferred of the method according to this invention just in time is blown into so many gases, particularly oxygen by the hole in the molten steel surface underneath, so that prevent the obstruction in hole and/or guarantee that simultaneously enough grooves mix.
The special embodiment of another of the method according to this invention, the winding-up pipe has laval nozzle and oxygen imports on the surface of molten steel by laval nozzle.
Can technical and effective economically form realize high gas velocity by laval nozzle.Because floating on molten steel in normal circumstances have slag layer, so it is significant facing to the gas velocity of the air-flow of molten steel to be used for handling molten steel.Have only high gas velocity, it is particularly preferably accessible by using laval nozzle, and the gas flow, particularly oxygen that has guaranteed contacts with molten steel, thereby guaranteed the enough mixing and the decarburization of molten steel.
According to another special embodiment of the present invention, the carbon critical content that in molten steel, is higher than 0.2 weight %, the carbon content that particularly is higher than 0.3-0.4 weight %, by a device flow of first laval nozzle to be arranged be that the winding-up pipe of D1 imports to oxygen when especially preferably being higher than the critical content of 0.5 weight %, particularly being blown into oxygen when being lower than the carbon critical content in the molten steel and in molten steel, by device the flow of second laval nozzle to be arranged be that the winding-up pipe of D2 imports, particularly be blown in the molten steel, at this D2＜D1.
According to special embodiment of the present invention, first and second laval nozzles have different separately diameters.
According to special embodiment, the present invention relates to the top that is used for uniting-and the bottom be blown into O
2And/or rare gas element in the metal vessel to be used for molten metal, the method and apparatus of the decarburization of molten steel particularly is at this essential O
2-amount mainly is blown into by one or more top winding-up pipes, and O
2The structure construction of the change winding-up pipe of the coupling of necessity of-and/or rare gas element-be blown into intensity by in the course of the work it is desirable to realize by the second winding-up pipe of the work running that is provided with.The work-ing life that has guaranteed best gas injection (good mixing of metal trough) by this way and improved the winding-up pipe.Special embodiment according to the present invention is with low intensity or the flow set second winding-up pipe of being blown into.Specific be blown into the value that speed is the scope of 0.5-1Nm3/ (t*min) according to what special embodiment according to the present invention was regulated the second winding-up pipe.
According to special embodiment of the present invention, used winding-up pipe has laval nozzle at the winding-up tube head.
According to another embodiment of the invention, oxygen and/or rare gas element blow on the molten metal by second top-winding-up pipe.
According to additional embodiment of the present invention, the second winding-up pipe in liquation during low C-content with the low intensity work that is blown into running.According to another special embodiment, oxygen and rare gas element blending ratio import molten metal with it, and the actual C-content with liquation mates accordingly during the course.The critical C-content of special embodiment according to the present invention (the use starting point of the second winding-up pipe) at first depends on the temperature of method condition, particularly chemical composition and molten metal and/or other thermochemistry condition.
Special embodiment according to the present invention is correspondingly regulated the working position of applied winding-up pipe and is blown into speed in the working process of decarbonization method.
According to special embodiment of the present invention, the ratio that the size of the lower channel nozzle when mixing for enough grooves can be provided with is little with the used size of the known method of prior art.Special embodiment according to the present invention in the zone of lower channel nozzle oxygen-/the rare gas element mixed gas imports in the unobstructed nozzle with the speed that is blown into of 0.1-0.3Nm3/ (t*min) especially.
Special embodiment lower channel nozzle according to the present invention is arranged on the bottom or the side-walls of smelting vessel.Special embodiment lower channel nozzle according to the present invention is to make as classical nozzle and/or tank.
In first method steps, be used for decarburization for the top-winding-up pipe that is provided with Lavalle-injector head by known AOD-L of prior art or K-OBM-S process.Close top-winding-up pipe during for carbon content that 0.3 weight % is arranged and be blown into oxygen and rare gas element carries out further decarburization in molten steel by one or more lower channel nozzles.So the duration of service of winding-up pipe is according to the 15-25% of the initial carbon content in pre-liquation for whole approximately process time.
According to following reaction decarburization:
Cr
2O
3+2Cr+3CO
Be subjected to this strong reaction the influence of CO-dividing potential drop.For favourable, by in molten steel, importing rare gas element (Ar/N to decarburization
2) and reduce the CO-dividing potential drop.This importing is undertaken by one or more lower channel nozzles and/or top winding-up pipe according to prior art.
Handle gas ratio (top-winding-up is managed-is blown into) with being blown into, the iron static pressure with lower nozzle the time because on lower nozzle and be disadvantageous to the decarburization condition.So propose according to the present invention, support further decarburization and enhancing mixed by being blown into (top is blown into).
At this according to special embodiment example of the present invention, as the amount of inert gas determined can with the O that imports by the winding-up pipe
2Mix, can prepare the necessary gas volume of work of the laval nozzle of the pipe that is used to jet like this.The rare gas element mixed gas will be limited in because process need and in the scope given in advance, so that the consumption of rare gas element, particularly Ar/N
2-consumes least.Select like this total flux at this, promptly avoid high winding-up tube head-and/or the high service efficiency of the gas that is blown into of nozzle wear and guaranteeing by the winding-up pipe.
The present invention relates to prepare in the industry at metal, preferably steel-and stainless preparation industry in be used for the method and apparatus of decarburization in a container with refractorily lined, the container with refractorily lined is preferably with the form of converter.Utilize on the one hand in cell therefor by the method according to this invention, particularly in the converter unite be blown into (top+bottom) thus in the best of generating mix and also improved C and be transformed into CO-and form, utilize on the other hand at blowing method (top-winding-up is managed-is blown into) thus the time lower CO-dividing potential drop and utilize with the bottom and be blown into more favourable decarburization condition.
Handle gas and be called bottom-be blown into according to being defined in to be blown into below the molten metal surface.Handle gas and be called top-be blown into according to being defined in to be blown into more than the molten metal surface.Decarburization according to the present invention in metal vessel is divided into two method stepss.In first step, the speed at the chemical reaction that carries out has been determined in the adding of oxygen in this step, top-and bottom by associating when higher C-content-be blown into and carry out decarburization, make like this that at this to import in the metal trough gas volume by bottom nozzle minimum, promptly prevent the obstruction of bottom nozzle.In second method steps, during subcritical C-content, it for example is the carbon of the 0.3-0.4 weight % in molten steel when containing the liquation of chromium in groove, and the material transition process that carries out in the scope of decarburization has been determined speed of response.For the metallic element of minimum oxidation in groove and the process temperature that guarantees to be reached, will reduce corresponding O
2-be blown into intensity.The embodiment preferred of the method according to this invention in second method steps, essential O2-amount mainly is blown into by top-winding-up pipe, preferably is blown under the situation of mixed inert gas.Because the desired gas flow that passes through the winding-up pipe or desired what be blown into the intensity and first method steps is different in second method steps, so special embodiment of the method according to this invention, being provided with and using the corresponding second winding-up pipe that is provided with, is that needs for being used for this step constitute being provided with of this winding-up tube head (having Lavalle-nozzle) fully.According to another embodiment preferred, be blown into the used winding-up pipe of step by machinery coupling (turn to or change) and change like this according to the present invention first, can satisfy essential intensity and the essential gas injection feature of being blown into.O by the second winding-up pipe
2And the blending ratio between the rare gas element is mated according to C-content in carbon rejection process.At the special embodiment O of this lower channel nozzle basis
2/ rare gas element-mixed gas loads, and mixes with obstruction or the groove closed and that assurance is best that prevents nozzle.After essential C-content in groove reaches, can enter reduction step, be blown into by lower channel nozzle and/or top winding-up pipe at this rare gas element.
According to special embodiment of the present invention, laval nozzle has the machinery and/or the calutron of the feature that is used for changing the laval nozzle aspect the feature flow of being regulated, for example the machinery and/or the calutron of the cross section by changing nozzle.
Corresponding to special embodiment of the present invention, be a nonrestrictive comparison of carrying out in the stainless steel production of carrying out according to prior art (traditional AOD-method) with according to method proposed by the invention between the test-results that stainless steel produces below:
Initial condition:
Pre-melt: 3%C, 18.3%Cr, 3.5%Ni
Melt is discharged end point analysis: 0.04%C, 18.3%Cr, 8.1%Ni, N＜450ppm
Melt is discharged weight: 120t
N2=〉Ar transformation point: 0.08%C
Method according to prior art: standard A OD method with steel tank height: 1.8m
Process: with the effective decarburization that comes when the carbon content in steel melt is 0.3 weight % of top-winding-up, from the carbon content steel melt be 0.3 weight % begin just by bottom nozzle independent spray into O
2And be used for decarburization.
Total treatment time: 55.2min.
Ar：8.5Nm3/t
Si：13kg/t
Lime: 51kg/t
Refractory materials: about 12kg/t
Cr-separates out: 98%
The method according to this invention:
Process: use the first winding-up pipe during decarburization when being 0.3 weight % until the carbon content in steel melt.Subsequently with the effective Ar/N that is blown into of second winding-up
2/ O
2-mixed gas.
When the bottom is blown into, used air-flow (Ar/N in second method steps
2/ O
2) minimum under this prerequisite, promptly prevent under the prerequisite of closure of nozzle.
Total treatment time: 49.3min.
Ar：7.2Nm3/t
Si：8.6kg/t
Lime: 31kg/t
Refractory materials: 8kg/t
Cr-separates out: 98.4%
Below more clearly explain non-restrictive example of the present invention with reference to the accompanying drawings.It shows:
Device that is used for handling steel melt of Fig. 1
Figure 1 illustrates a device that is used for according to the decarburization of the steel melt of AOD-method.Have smelting vessel 2, particularly converter at this device 1, the stainless melt of steel melt 3, particularly preferred rich chromium is arranged therein.Slag 4 adrift on steel melt 3.Steel melt 3 is by the bottom nozzle use body of regulating the flow of vital energy, and it contains aerobic and possible rare gas element usually, particularly uses one or more gases: oxygen, nitrogen, argon gas or air handling.Open the first winding-up pipe again, handle gas, particularly oxygen or oxygen-rare gas element-mixed gas, be preferably oxygen-argon gas-mixed gas especially and also contact with steel melt by this winding-up pipe.As appreciable in the diagram, handle gas to steel melt by being blown into, when it is blown into suitable high speed, make slag retreat as the speed that for example can reach by the application laval nozzle.Thereby guaranteeing to handle gas contacts with the best of steel melt.So the gas flow that the laval nozzle that passes through the winding-up pipe of sufficient intensity is ejected into metal melt is used for the good mixing of the liquid that contains at container.Do not use the second winding-up pipe in first method steps, first method steps is the decarburization when being higher than 0.3 weight % in carbon content basically.
In second method steps 1 ', it is 0.3 heavy % or the decarburization when being lower than 0.3 weight % corresponding to preferred carbon content in steel melt, will handle in the steel melt 3 ' in the gas adding smelting vessel 2 ' by one or more bottom nozzles 5 ' once more.Be different from method steps 1, used the second winding-up pipe 7 ' in second method steps 1 ', itself and the first winding-up pipe 6 ' have such difference, it is this winding-up pipe, its again preferred embodiment laval nozzle is arranged, be provided for different, the processing gas of low discharge particularly.Slag 4 ' retreats from steel melt again at least in part by using winding-up pipe 7 '.In second method steps, need not jet and manage 6 '.
Claims (7)
1. method that is used for steel melt decarburization in the stainless process of smelting vessel preparation, wherein said steel melt oxygen, perhaps oxygen and optional rare gas element are handled, wherein device for blowing has the winding-up pipe, oxygen imports on the surface of steel melt by the winding-up pipe, and the winding-up pipe has laval nozzle, oxygen imports on the surface of steel melt by laval nozzle, when it is characterized in that carbon content is higher than 0.3 weight % in steel melt, oxygen is that the winding-up pipe of D1 is blown on the steel melt by the flow that is equipped with first laval nozzle, when carbon content is lower than 0.3 weight % in steel melt, oxygen is that the winding-up pipe of D2 is blown on the steel melt by the flow that is equipped with second laval nozzle, at this D2＜D1.
2. method as claimed in claim 1, wherein rare gas element is argon gas and/or nitrogen.
3. method as claimed in claim 1, during the decarburization of the steel melt when wherein the carbon content in steel melt is lower than 0.3 weight %, oxygen or oxygen and optional rare gas element are by contacting with steel melt in the hole below the steel melt surface and by being arranged on the device for blowing more than the steel melt surface.
4. method as claimed in claim 3, wherein rare gas element is argon gas or nitrogen.
5. according to the method for claim 1 or 3, when it is characterized in that the decarburization of the steel melt when carbon content in steel melt is lower than 0.3 weight %, contact with steel melt by device for blowing by the major portion of device for blowing with the oxygen in following hole, steel melt surface.
6. one kind is used for preparing the device of stainless steel process steel melt decarburization at a smelting vessel (2) that is used for accepting melt (3), it has and is used for oxygen or oxygen and optional rare gas element are blown to the device for blowing of the lip-deep suitable setting of steel melt on the top of container, it is characterized in that device for blowing has at least two winding-up pipes (6,7), it has at least one laval nozzle separately, the laval nozzle of wherein different winding-up pipes is because different being arranged on the flow is differentiated, and the winding-up pipe can be used for the decarburization of steel melt (3) independently of each other.
7. device as claimed in claim 6, wherein rare gas element is argon gas or nitrogen.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA1250/2002 | 2002-08-21 | ||
| AT0125002A AT411530B (en) | 2002-08-21 | 2002-08-21 | Decarburization of molten stainless steel in a converter involves delivering the treatment gas through an opening below the molten level and blower lances above it, to mix the gas thoroughly through the molten metal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1675383A CN1675383A (en) | 2005-09-28 |
| CN100532581C true CN100532581C (en) | 2009-08-26 |
Family
ID=3687818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB038197626A Expired - Fee Related CN100532581C (en) | 2002-08-21 | 2003-07-15 | Method and apparatus for decarburization of molten steel |
Country Status (8)
| Country | Link |
|---|---|
| EP (2) | EP1530648B1 (en) |
| CN (1) | CN100532581C (en) |
| AT (2) | AT411530B (en) |
| AU (1) | AU2003257462A1 (en) |
| DE (1) | DE50307383D1 (en) |
| ES (1) | ES2287557T3 (en) |
| RU (1) | RU2319750C2 (en) |
| WO (1) | WO2004018714A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009049896A1 (en) * | 2009-01-22 | 2010-08-05 | Sms Siemag Ag | Pulse flushing with inert gas in the BOF and AOD converter process |
| DE102014222727A1 (en) * | 2014-11-06 | 2016-05-12 | Sms Group Gmbh | Method and device for producing a stainless steel |
| WO2024100435A1 (en) * | 2022-11-10 | 2024-05-16 | Arcelormittal | Post combustion lance |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT216032B (en) * | 1959-02-20 | 1961-07-10 | Arbed | Device for blowing a metal bath from above |
| NL6710354A (en) * | 1966-07-27 | 1968-01-29 | ||
| JPS5589395A (en) * | 1978-12-26 | 1980-07-05 | Sumitomo Metal Ind Ltd | Gasification of solid carbonaceous material and its device |
| JPS6040486B2 (en) * | 1979-07-03 | 1985-09-11 | 住友金属工業株式会社 | steel refining method |
| JPS6063307A (en) * | 1983-09-14 | 1985-04-11 | Kawasaki Steel Corp | Converter steel making method of dead soft steel |
| LU86322A1 (en) * | 1986-02-25 | 1987-09-10 | Arbed | OXYGEN BLOWING LANCE |
| LU88023A1 (en) * | 1991-10-30 | 1993-05-17 | Arbed | Blow lance |
| JPH06158142A (en) * | 1992-11-24 | 1994-06-07 | Sumitomo Metal Ind Ltd | Vacuum decarburization refining apparatus for high chrome steel |
| JP3410553B2 (en) * | 1994-07-27 | 2003-05-26 | 新日本製鐵株式会社 | Decarburization refining method of chromium-containing molten steel |
| JP3167888B2 (en) * | 1995-07-27 | 2001-05-21 | 川崎製鉄株式会社 | Decarburization refining method of chromium-containing molten steel and upper blowing lance for refining gas |
-
2002
- 2002-08-21 AT AT0125002A patent/AT411530B/en not_active IP Right Cessation
-
2003
- 2003-07-15 RU RU2005107698/02A patent/RU2319750C2/en not_active IP Right Cessation
- 2003-07-15 DE DE50307383T patent/DE50307383D1/en not_active Expired - Lifetime
- 2003-07-15 AT AT03792199T patent/ATE363546T1/en active
- 2003-07-15 AU AU2003257462A patent/AU2003257462A1/en not_active Abandoned
- 2003-07-15 CN CNB038197626A patent/CN100532581C/en not_active Expired - Fee Related
- 2003-07-15 EP EP03792199A patent/EP1530648B1/en not_active Expired - Lifetime
- 2003-07-15 ES ES03792199T patent/ES2287557T3/en not_active Expired - Lifetime
- 2003-07-15 WO PCT/EP2003/007634 patent/WO2004018714A1/en active IP Right Grant
- 2003-07-15 EP EP06020935A patent/EP1764421A3/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| AU2003257462A1 (en) | 2004-03-11 |
| CN1675383A (en) | 2005-09-28 |
| ATE363546T1 (en) | 2007-06-15 |
| RU2005107698A (en) | 2005-09-10 |
| EP1530648B1 (en) | 2007-05-30 |
| ES2287557T3 (en) | 2007-12-16 |
| EP1764421A3 (en) | 2007-12-26 |
| EP1764421A2 (en) | 2007-03-21 |
| DE50307383D1 (en) | 2007-07-12 |
| RU2319750C2 (en) | 2008-03-20 |
| ATA12502002A (en) | 2003-07-15 |
| AT411530B (en) | 2004-02-25 |
| WO2004018714A1 (en) | 2004-03-04 |
| EP1530648A1 (en) | 2005-05-18 |
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