EP0828889B9 - Verwendung von mitteln zur zellstoff- und papierherstellung - Google Patents
Verwendung von mitteln zur zellstoff- und papierherstellung Download PDFInfo
- Publication number
- EP0828889B9 EP0828889B9 EP96916148A EP96916148A EP0828889B9 EP 0828889 B9 EP0828889 B9 EP 0828889B9 EP 96916148 A EP96916148 A EP 96916148A EP 96916148 A EP96916148 A EP 96916148A EP 0828889 B9 EP0828889 B9 EP 0828889B9
- Authority
- EP
- European Patent Office
- Prior art keywords
- oil
- saturated
- fatty acid
- water emulsions
- carbon atoms
- Prior art date
- 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 - Lifetime
Links
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/30—Protecting wire-cloths from mechanical damage
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/32—Washing wire-cloths or felts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S162/00—Paper making and fiber liberation
- Y10S162/04—Pitch control
Definitions
- the invention relates to the use of agents for treating machines for pulp, Paper and cardboard manufacture for cleaning these aggregates from adhering impurities from natural resins and / or synthetic polymers as well as prevention the contamination of these units by such impurities.
- EP 517 360 A1 inhibiting mixtures of surfactants and solvents, preferably fatty acid alkanolamides, ethoxylated compounds, aliphatic Hydrocarbons and orange terpenes of the stock in an amount of 1 - 200 ppm added.
- solvents preferably fatty acid alkanolamides, ethoxylated compounds, aliphatic Hydrocarbons and orange terpenes of the stock in an amount of 1 - 200 ppm added.
- the funds used in this way are insufficiently effective, so that the manufacturing process often has to be interrupted in order to clean the machine parts, in particular to make the wire and press section, whereby according to EP 178 340 B1 exclusively Limonene is used as a solvent.
- dispersing agents are only in closed water cycles limited possible, since the dispersed resin parts do not fully adhere to the anionic cellulose fibers are bound and discharged so that they are increasingly in the process water remain.
- the cleaning of the felts of the press section is also used proposed by fatty acid imidazolines and according to EP 647 737 A1 these compounds together with ethoxylated nonylphenols and special sulfonates for prevention of deposits of polyamidoamine-epichlorohydrin resins used in felts.
- EP 0 648 820 A2 describes compositions which are used to remove toners from Paper surfaces, adhesive residues of plastics, for removing plastic coatings and for cleaning metal surfaces from cutting oil residues or colored pencil markings used, as well as used to remove PVC parts attached by adhesives become.
- the emulsions also contain solvents such as isopropanol, Toluene, benzyl alcohol, methyl ethyl ketone, N-methyl pyrrolidone, di- and triethylene glycol dimethyl ether and 3-methyl-3-methoxybutanol, which are the use of these emulsions in closed systems for reasons of occupational safety and health risks restrict.
- solvents such as isopropanol, Toluene, benzyl alcohol, methyl ethyl ketone, N-methyl pyrrolidone, di- and triethylene glycol dimethyl ether and 3-methyl-3-methoxybutanol, which are the use of these emulsions in closed systems for reasons of occupational safety and health risks restrict.
- the object was therefore to eliminate the disadvantages described in detail above and in particular to find means for this, their use in the manufacture of pulp, paper and cardboard with waste paper for the treatment of pulp, paper and board machines is suitable., the machines of adhering agglomerates made of synthetic polymers and to clean natural resins and / or the adherence of such substances from the surface to prevent the machines.
- the task could be accomplished by using oil-in-water emulsions for treatment, especially for cleaning pulp, paper, cardboard or cardboard machines respectively their parts of the plant from adhering synthetic polymers and natural Resins or to prevent such substances from adhering to the surfaces of such Machines or system parts can be solved.
- Oil-in-water emulsions are known.
- the oil component in water by means of suitable known oil-in-water emulsifiers.
- the hydrophobic phase is predominant the active ingredient.
- hydrocarbons or hydrocarbon mixtures are Paraffin oil, mineral oil or poly-alpha-olefins.
- the agents to be used according to the invention are surprisingly used as cleaning agents or as an agent with an impregnating effect against impurities such as adhesives, resins, Wax, fat and / or bitumen repellent effect at any point on the pulp, paper and board machines.
- the agents according to the invention are used on the surface of the aggregates, in particular treating the sieves, felts in the wet area of the machines and the drying sieves, Guide rollers and drying cylinders in the drying area.
- the agents according to the invention are preferably used on the material-contacting surface of the units before they come into contact with the fabric and, if necessary, separately for the deck and Back area of the products.
- the oil-in-water emulsions are used as such or after dilution Water and / or solvents, preferably water-miscible solvents.
- Water is used for this purpose, the temperatures in the range from 5 to 80 ° C., preferably 20 - 50 ° C.
- the concentration of the oil-in-water emulsion in aqueous dilution is 1-40% by weight, preferably 5-25% by weight and particularly preferably 10-25% by weight on the aqueous dilution.
- the diluted emulsion is in an amount of 20 - 500 l, preferably 100 - 400 l per hour and meter working width of the machine in continuous or interval dosing applied, the diluted emulsion in any Way, preferably via a spray tube provided with flat jet nozzles with an overlapping one Spray area is abandoned.
- the addition can also be added to dryer fabric cleaning systems the emulsion to the wash water.
- oil-in-water emulsions preferably used according to the invention contain biologically degradable components and are therefore environmentally friendly.
- the diluted one Emulsion applied in the return of the dryer fabric and, if necessary, the screen before hitting it inflated with air on the paper web.
- the cleaning effect of the agents keeps when using the agents according to the invention in the Sieve and dryer section of the machines continuously up to the last machine part.
- the impregnating inhibitory effect against renewed contamination on the aggregate surfaces is product and variety dependent and lasts after the end of the dosage over a period of 4 - 75 hours.
- the aggregates can be cleaned and impregnated with every change of grade.
- the contaminants are removed from the screen and the subsequent guide rollers and cylinders solved and partly with the agglomerates being thrown out, especially in the initial phase the treatment removed.
- the cleaning effect is also on the following machine parts lockable and lasts up to the smoothing cylinder. After the dosage of the diluted Emulsion has an inhibiting effect against adhering contaminants, which lasts about 24 hours.
- FIG. 1 shows four samples of the sieve, starting from the heavily soiled first sample (0 sample). In sample 2 after 6 Hours at room temperature, with sample 3 after 30 min at 60 ° and with sample 4 after 60 min at 60 ° the cleaning effects are very clearly recognizable. The air permeability of the Siebes was measured. It increases from 320 cfm to 530 cfm in sample 4.
- the emulsion M was in an aqueous dilution of 1: 6 parts by weight in a daily amount of 30 l in 6 even time intervals applied to the dryer fabric during the production process.
- the contaminated sieve has been cleaned.
- the emulsion M On the felt of a paper machine, contaminated by adhesives and resins, consisting of Polyamide and polyester fibers, the emulsion M is diluted with a spray tube applied to 15% by weight with water.
- the impurities adhering to the surface and in the felt detach, so that the water absorption of the felt with an improved effect takes place and the surface of the paper webs are formed evenly and without false marks becomes.
Description
- gesättigte Kohlenwasserstoffe wie Octan, Tetradecan, Octadecan, Eisodecan, Decen, Hexadecen und technische alpha-Olefine
- Fettalkohole wie Octanol, Dodecanol, Tridecanol, Octadecanol, Behenylalkohol
- Fettsäuren wie Caprinsäure, Stearinsäure, Melissinsäure, Ölsäure und Linolensäure
- Fettsäureester wie Stearylsäuremethylester, Palmitinsäureoctadecylester, Ölsäureoctylester, Glycerinmono- und -trioleat, Ethylenglykoldilaurat, Sorbitanstearate und -oleate sowie Ester, insbesondere Diester von aliphatischen und/oder aromatischen Di- und/ oder Tricarbonsäuren, wie C1 - C13 Alkyl- und Isoalkylester von C2 - C12 Dicarbonsäuren, wie Oxalsäure, Malonsäure, Bernsteinsäure, Glutarsäure, Adipinsäure, Pimelinsäure, Suberinsäure, Sebacinsäure, Äpfelsäure, Weinsäure, Zitronensäure, Phthalsäure, Dodekansäure, C9-Dicarbonsäure (Trimethyladipinsäure) sowie Maleinsäure und Fumarsäure. Weitere Beispiele solcher Ester sind:
- Fettsäureamide wie Stearylamid, Kokosfettsäurebutylamid, Essigsäureoleylamid und Ethylenbisstearylamid.
Claims (6)
- Verwendung von Öl-in-Wasser-Emulsionen zur Behandlung von Maschinen oder Anlagenteilen zur Herstellung von Zellstoff, Papier, Pappe oder Karton,. dadurch gekennzeichnet, daß die Öl-in-Wasser-Emulsionen zur Reinigung von anhaftenden Verunreinigungen aus synthetischen Polymerisaten und/oder natürlichen Harzen und/oder zur Verhinderung der Verunreinigung durch anhaftende synthetische Polymerisate und natürliche Harze verwendet werden und als Bestandteil der Ölphase wenigstens einen der folgenden Stoffe allein oder im Gemisch mit den anderen genannten Stoffen enthalten:1. einen gesättigten oder ungesättigten, offenkettigen oder zyklischen, normalen oder isomeren Kohlenwasserstoff mit 8 - 30 Kohlenstoffatomen2. einen gesättigten oder ungesättigten Fettalkohol, eine gesättigte oder ungesättigte Fettsäure, einen Fettsäuremonoalkylester, ein Fettsäureamid oder ein Fettsäuremonoalkylamid einer gesättigten oder ungesättigten Fettsäure, sämtliche unter 2. aufgeführten Verbindungen mit 8 bis 30 Kohlenstoffatomen3. einen Mono- oder Polyester einer gesättigten oder ungesättigten ein- oder mehrwertigen Carbonsäure mit 2 bis 30 Kohlenstoffatomen und Polyolen, ausgenommen Polyethylenglykole, oder Diester von aliphalischen und/oder aromatischen Di- und/oder Tri-Carbonsäuren4. ein Polyamid von gesättigten oder ungesättigten Fettsäuren mit 8 bis 30 Kohlenstoffatomen und aliphatischen Polyaminen mit zwei bis sechs Stickstoffatomen5. ein acyclisches, vorzugsweise monocyclisches und/oder bicyclisches Terpen, insbesondere einen Terpenkohlenwasserstoff und/oder einen Terpenalkohol und/oder6. eine Polyoxyalkylenverbindung auf der Basis von Alkylenoxiden.
- Verwendung von Öl-in-Wasser-Emulsionen nach Anspruch 1 dadurch gekennzeichnet, daß die anhaftenden synthetischen Polymerisate Klebstoffe und/oder Bestandteile von Latexbeschichtungen und/oder die natürlichen Harze Bestandteile oder modifizierte Bestandteile des verarbeiteten Holzes sind.
- Verwendung von Öl-in-Wasser-Emulsionen nach den Ansprüchen 1 und 2 dadurch gekennzeichnet, daß Teile der Zellstoff- und Papiermaschinen, insbesondere die zur Entwässerung der Stoffsuspension dienenden Aggregate, vorzugsweise die Siebpartie und die Pressenpartie behandelt werden.
- Verwendung von Öl-in-Wasser-Emulsionen nach den Ansprüchen 1 bis 3 dadurch gekennzeichnet, daß sie in unverdünntem Zustand oder nach Verdünnung mit Wasser und/oder organischen Lösemitteln eingesetzt werden und in einer Menge von 20 - 500 l, vorzugsweise 100- 400 l pro Stunde und pro Meter der Arbeitsbreite der Maschine kontinuierlich oder durch intervallmäßige Dosierung aufgebracht werden.
- Verwendung von Öl-in-Wasser-Emulsionen nach Anspruch 4, dadurch gekennzeichnet, daß sie in wässriger Verdünnung mit einer Konzentration der Öl-in-Wasser-Emulsion von 1 - 40 Gew.%, vorzugsweise 5 - 25 Gew.% und besonders bevorzugt 10 - 25 Gew.%, bezogen auf die wässrige Verdünnung eingesetzt werden.
- Verwendung von Öl-in-Wasser-Emulsionen nach den Ansprüchen 1 - 5, bei der Herstellung von Papier, Pappe und Karton mit Altpapier.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19519268 | 1995-05-31 | ||
DE19519268A DE19519268C1 (de) | 1995-05-31 | 1995-05-31 | Verwendung von Mitteln zur Zellstoff- und Papierherstellung |
PCT/EP1996/002191 WO1996038628A1 (de) | 1995-05-31 | 1996-05-22 | Verwendung von mitteln zur zellstoff- und papierherstellung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0828889A1 EP0828889A1 (de) | 1998-03-18 |
EP0828889B1 EP0828889B1 (de) | 1999-08-18 |
EP0828889B9 true EP0828889B9 (de) | 2001-03-14 |
Family
ID=7762879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96916148A Expired - Lifetime EP0828889B9 (de) | 1995-05-31 | 1996-05-22 | Verwendung von mitteln zur zellstoff- und papierherstellung |
Country Status (19)
Country | Link |
---|---|
US (1) | US5863385A (de) |
EP (1) | EP0828889B9 (de) |
AT (1) | ATE183563T1 (de) |
AU (1) | AU702067B2 (de) |
CA (1) | CA2219068C (de) |
CO (1) | CO4560397A1 (de) |
CZ (1) | CZ294869B6 (de) |
DE (2) | DE19519268C1 (de) |
DK (1) | DK0828889T5 (de) |
ES (1) | ES2137696T3 (de) |
HU (1) | HUP9802173A3 (de) |
MA (1) | MA23885A1 (de) |
NO (1) | NO309989B1 (de) |
PE (1) | PE6197A1 (de) |
PL (1) | PL181946B1 (de) |
SK (1) | SK284745B6 (de) |
TW (1) | TW438930B (de) |
WO (1) | WO1996038628A1 (de) |
ZA (1) | ZA963996B (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19616733C2 (de) * | 1996-04-26 | 2000-07-13 | Stockhausen Chem Fab Gmbh | Verfahren zur thermisch-mechanischen Oberflächenbehandlung von flächenförmigen Materialbahnen, insbesondere aus Papier und Karton unter Verwendung von Abhäsivmitteln |
US6051108A (en) * | 1998-07-28 | 2000-04-18 | Nalco Chemical Company | Method of removing and preventing the buildup of contaminants in papermaking processes |
JP2000096479A (ja) | 1998-09-25 | 2000-04-04 | Mentec:Kk | 抄紙機に使用される円筒状ドライヤの汚染防止方法 |
JP2000096478A (ja) * | 1998-09-25 | 2000-04-04 | Mentec:Kk | 抄紙機に使用される円筒状ドライヤの汚染防止方法 |
JP3608709B2 (ja) | 1998-09-25 | 2005-01-12 | 株式会社メンテック | 抄紙機に使用されるカンバスの汚染防止方法 |
DE19959826A1 (de) * | 1999-12-10 | 2001-06-28 | Stockhausen Chem Fab Gmbh | Verfahren zur Verminderung und/oder Vermeidung von Ablagerungen von Holzinhaltsstoffen |
US6673205B2 (en) * | 2001-05-10 | 2004-01-06 | Fort James Corporation | Use of hydrophobically modified polyaminamides with polyethylene glycol esters in paper products |
US6558513B1 (en) | 2001-05-29 | 2003-05-06 | Hercules Incorporated | Non-aqueous release from paper machine equipment |
DK174460B1 (da) * | 2002-02-08 | 2003-03-31 | Dan Web Holding As | Fremgangsmåde til renholdelse af et binder/lim-påføringsapparat, samt et binder/lim-påføringsapparat |
TW200422486A (en) * | 2003-02-18 | 2004-11-01 | Maintech Co Ltd | Method for preventing paper web surface from fraying in papermaking machine, printing paper for use in offset printing, and release agent |
US7404875B2 (en) * | 2004-04-28 | 2008-07-29 | Georgia-Pacific Consumer Products Lp | Modified creping adhesive composition and method of use thereof |
US20050266166A1 (en) * | 2004-05-26 | 2005-12-01 | Halsey Glenn T | Method for coating paper machines |
US20110297341A1 (en) | 2010-06-07 | 2011-12-08 | Dilkus Christopher P | Creping Release Agents |
KR101894113B1 (ko) | 2010-08-20 | 2018-10-04 | 솔레니스 테크놀러지스 케이맨, 엘.피. | 침착물 제거 및 방지용 에멀젼 |
US9512387B2 (en) | 2011-02-11 | 2016-12-06 | Dubois Chemicals, Inc. | Cleaning compositions for removing polymeric contaminants from papermaking surfaces |
US20130157917A1 (en) * | 2011-12-20 | 2013-06-20 | Rhodia Operations | Industrial cleaning compositions and methods for using same |
CA2968700A1 (en) | 2014-11-25 | 2016-06-02 | Buckman Laboratories International, Inc. | Felt conditioner and cleaner |
US9856398B2 (en) | 2014-12-22 | 2018-01-02 | Dubois Chemicals, Inc. | Method for controlling deposits on papermaking surfaces |
KR20180026716A (ko) | 2015-07-07 | 2018-03-13 | 솔레니스 테크놀러지스, 엘.피. | 펄프 및 종이 제조 시스템에서 유기 오염물의 침착을 억제하는 방법 |
US10851330B2 (en) | 2015-07-29 | 2020-12-01 | Dubois Chemicals, Inc. | Method of improving paper machine fabric performance |
EP3210733A1 (de) * | 2016-02-29 | 2017-08-30 | Tusti B.V. | Verfahren zur reinigung von recycelbarem kunststoffmaterial |
CN109790683B (zh) * | 2016-09-29 | 2020-11-24 | 明答克株式会社 | 污染防止剂组合物及污染防止方法 |
EP3514283A1 (de) | 2018-01-19 | 2019-07-24 | Jim Constantacos | Verfahren zur verbesserten auflösung unter verwendung eines umweltfreundlichen auflösehilfsmittels |
Family Cites Families (25)
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US3014832A (en) * | 1957-02-12 | 1961-12-26 | Kimberly Clark Co | Method of fabricating tissue |
NL302971A (de) * | 1963-04-29 | |||
US3582461A (en) * | 1968-02-14 | 1971-06-01 | Diamond Shamrock Corp | Pitch control in pulp and papermaking processes |
US3673105A (en) * | 1969-04-11 | 1972-06-27 | Diamond Shamrock Corp | Defoamer compositions for aqueous systems |
US3992249A (en) * | 1974-04-08 | 1976-11-16 | American Cyanamid Company | Control of pulp-paper mill pitch deposits |
US4190491A (en) * | 1976-08-02 | 1980-02-26 | Rohm And Haas Company | Process for controlling pitch in papermaking |
US4184912A (en) * | 1976-08-09 | 1980-01-22 | Nalco Chemical Company | Pitch control method |
DE3147111C2 (de) * | 1981-11-27 | 1983-12-01 | Rotaprint Gmbh, 1000 Berlin | Verfahren zum Reinigen von Druckwalzen und hierzu geeigneter Reiniger |
US4426254A (en) * | 1982-05-05 | 1984-01-17 | Shell Oil Company | Solubilization of nonionic surfactants useful in wood pulp deresination |
DE3316988C2 (de) * | 1983-05-10 | 1986-07-17 | Jürgen 6926 Kirchardt Rohrmoser | Verfahren zum Reinigen von Vorrichtungen und Maschinen der Papier-, Pappe- und Zellstoff-Industrie |
US4709557A (en) * | 1986-02-04 | 1987-12-01 | Kawasaki Steel Corporation | Method and system for cooling strip |
DE3744593A1 (de) * | 1987-12-31 | 1989-07-13 | Basf Ag | Entschaeumer auf basis von oel-in-wasser-emulsionen |
US4861429A (en) * | 1988-07-29 | 1989-08-29 | Betz Laboratories, Inc. | Process for inhibiting white pitch deposition in papermaking felts |
JP2618496B2 (ja) * | 1988-09-16 | 1997-06-11 | グレイス・ディアーボーソ・インコーポレーテッド | 製紙機フエルト等への析出防止法 |
US5139616A (en) * | 1991-05-29 | 1992-08-18 | Betz Paperchem, Inc. | Reduction of stickers contamination in papermaking process using recycled paper |
DE4127719A1 (de) * | 1991-08-22 | 1993-02-25 | Basf Ag | Entschaeumer fuer die papierindustrie auf der basis von oel-in-wasser-emulsionen |
CA2083406C (en) * | 1992-01-02 | 2004-01-06 | Clarice A. Owiti | Press felt conditioner for neutral and alkaline papermaking systems |
US5328567A (en) * | 1992-02-10 | 1994-07-12 | Custom Papers Group Inc. | Process for making a paper based product containing a binder |
CH685744A5 (de) * | 1992-02-21 | 1995-09-29 | Oekophil Ag | Störstoffabsorber für die Papierherstellung aus Altpapier und/oder Ausschusspapier. |
US5266166A (en) * | 1992-05-18 | 1993-11-30 | Betz Paperchem, Inc. | Methods for controlling the deposition of organic contaminants in pulp and papermaking processes using a polyalkylene oxide/vinyl acetate graft copolymer |
AU5182893A (en) * | 1992-11-25 | 1994-06-09 | W.R. Grace & Co.-Conn. | Pitch reduction on paper machine surfaces |
DE4315449A1 (de) * | 1993-05-10 | 1994-11-17 | Henkel Kgaa | Verfahren zur Kontrolle des Absetzens klebender Verunreinigungen aus Papierstoff-Suspensionen |
CA2131143A1 (en) * | 1993-10-07 | 1995-04-08 | Betzdearborn Inc. | Method of inhibiting wet strength resin deposition in papermaking felts |
JP3452406B2 (ja) * | 1993-10-07 | 2003-09-29 | 有限会社ケントス | 有機系付着物の除去性能を有する組成物 |
DE4340665A1 (de) * | 1993-11-30 | 1995-06-01 | Stockhausen Chem Fab Gmbh | Öl-in-Wasser-Emulsionen als Ersatz für Mikrobizide (Biozide) in wasserführenden Systemen |
-
1995
- 1995-05-31 DE DE19519268A patent/DE19519268C1/de not_active Expired - Fee Related
-
1996
- 1996-05-15 TW TW085105734A patent/TW438930B/zh not_active IP Right Cessation
- 1996-05-15 US US08/647,656 patent/US5863385A/en not_active Expired - Lifetime
- 1996-05-20 ZA ZA963996A patent/ZA963996B/xx unknown
- 1996-05-22 DK DK96916148T patent/DK0828889T5/da active
- 1996-05-22 ES ES96916148T patent/ES2137696T3/es not_active Expired - Lifetime
- 1996-05-22 DE DE59602807T patent/DE59602807D1/de not_active Expired - Fee Related
- 1996-05-22 SK SK1605-97A patent/SK284745B6/sk unknown
- 1996-05-22 CZ CZ19973670A patent/CZ294869B6/cs not_active IP Right Cessation
- 1996-05-22 CA CA002219068A patent/CA2219068C/en not_active Expired - Fee Related
- 1996-05-22 WO PCT/EP1996/002191 patent/WO1996038628A1/de active IP Right Grant
- 1996-05-22 AU AU59009/96A patent/AU702067B2/en not_active Ceased
- 1996-05-22 PL PL96323637A patent/PL181946B1/pl not_active IP Right Cessation
- 1996-05-22 EP EP96916148A patent/EP0828889B9/de not_active Expired - Lifetime
- 1996-05-22 HU HU9802173A patent/HUP9802173A3/hu unknown
- 1996-05-22 AT AT96916148T patent/ATE183563T1/de not_active IP Right Cessation
- 1996-05-24 PE PE1996000381A patent/PE6197A1/es not_active Application Discontinuation
- 1996-05-27 CO CO96026940A patent/CO4560397A1/es unknown
- 1996-05-30 MA MA24254A patent/MA23885A1/fr unknown
-
1997
- 1997-11-26 NO NO975431A patent/NO309989B1/no unknown
Also Published As
Publication number | Publication date |
---|---|
NO975431L (no) | 1997-11-26 |
HUP9802173A2 (hu) | 1998-12-28 |
CO4560397A1 (es) | 1998-02-10 |
PL181946B1 (pl) | 2001-10-31 |
HUP9802173A3 (en) | 2002-08-28 |
EP0828889A1 (de) | 1998-03-18 |
CZ294869B6 (cs) | 2005-04-13 |
CA2219068A1 (en) | 1996-12-05 |
DK0828889T5 (da) | 2000-08-21 |
EP0828889B1 (de) | 1999-08-18 |
AU5900996A (en) | 1996-12-18 |
NO309989B1 (no) | 2001-04-30 |
ES2137696T3 (es) | 1999-12-16 |
TW438930B (en) | 2001-06-07 |
WO1996038628A1 (de) | 1996-12-05 |
ZA963996B (en) | 1996-11-27 |
ATE183563T1 (de) | 1999-09-15 |
AU702067B2 (en) | 1999-02-11 |
PE6197A1 (es) | 1997-04-19 |
MA23885A1 (fr) | 1996-12-31 |
NO975431D0 (no) | 1997-11-26 |
CZ367097A3 (cs) | 1998-02-18 |
US5863385A (en) | 1999-01-26 |
SK284745B6 (sk) | 2005-11-03 |
SK160597A3 (en) | 1998-09-09 |
MX9708879A (es) | 1998-06-30 |
PL323637A1 (en) | 1998-04-14 |
DE59602807D1 (de) | 1999-09-23 |
CA2219068C (en) | 2003-07-08 |
DE19519268C1 (de) | 1997-01-23 |
DK0828889T3 (da) | 2000-03-06 |
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