DE68915357D1 - Korrosionsinhibitoren für hochfesten und mittelfesten Stahl. - Google Patents
Korrosionsinhibitoren für hochfesten und mittelfesten Stahl.Info
- Publication number
- DE68915357D1 DE68915357D1 DE68915357T DE68915357T DE68915357D1 DE 68915357 D1 DE68915357 D1 DE 68915357D1 DE 68915357 T DE68915357 T DE 68915357T DE 68915357 T DE68915357 T DE 68915357T DE 68915357 D1 DE68915357 D1 DE 68915357D1
- Authority
- DE
- Germany
- Prior art keywords
- strength
- medium
- corrosion inhibitors
- strength steel
- steel
- 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 - Fee Related
Links
- 238000005260 corrosion Methods 0.000 title abstract 3
- 230000007797 corrosion Effects 0.000 title abstract 3
- 229910000831 Steel Inorganic materials 0.000 title abstract 2
- 239000010959 steel Substances 0.000 title abstract 2
- 239000003112 inhibitor Substances 0.000 title 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 abstract 1
- 239000000956 alloy Substances 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 abstract 1
- 230000005764 inhibitory process Effects 0.000 abstract 1
- 229910052748 manganese Inorganic materials 0.000 abstract 1
- 239000011572 manganese Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/14—Nitrogen-containing compounds
- C23F11/146—Nitrogen-containing compounds containing a multiple nitrogen-to-carbon bond
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/14—Nitrogen-containing compounds
- C23F11/149—Heterocyclic compounds containing nitrogen as hetero atom
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Lubricants (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Prevention Of Electric Corrosion (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8821552A IT1236261B (it) | 1988-07-29 | 1988-07-29 | Inibitori della corrosione in acciai alto e medio resistenziali. |
| IT8823094A IT1227905B (it) | 1988-12-23 | 1988-12-23 | Uso di composti a struttura azometinica come inibitori di corrosione |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE68915357D1 true DE68915357D1 (de) | 1994-06-23 |
| DE68915357T2 DE68915357T2 (de) | 1994-10-13 |
Family
ID=26327930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE68915357T Expired - Fee Related DE68915357T2 (de) | 1988-07-29 | 1989-07-21 | Korrosionsinhibitoren für hochfesten und mittelfesten Stahl. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4986962A (de) |
| EP (1) | EP0352855B1 (de) |
| AT (1) | ATE105876T1 (de) |
| DE (1) | DE68915357T2 (de) |
| ES (1) | ES2053952T3 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU630937B2 (en) * | 1989-06-30 | 1992-11-12 | Petrolite Corporation | Suppression of the evolution of hydrogen sulfide gases from petroleum residua |
| US5266185A (en) * | 1990-09-10 | 1993-11-30 | Petrolite Corporation | Method of suppression of hydrogen sulfide with heterocyclic-amine aldehyde reaction products |
| IT1258804B (it) * | 1992-01-22 | 1996-02-29 | Eniricerche Spa | Inibizione della corrosione degli acciai |
| US5567212A (en) * | 1995-04-27 | 1996-10-22 | Petrolite Corporation | Use of olefinic imines to scavenge sulfur species |
| US20050123437A1 (en) * | 2003-12-03 | 2005-06-09 | Cassidy Juanita M. | Methods and compositions for inhibiting metal corrosion |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2496354A (en) * | 1947-09-11 | 1950-02-07 | Cities Service Oil Co | Method of inhibiting hydrogen sulfide corrosion of metals |
| US2643977A (en) * | 1951-01-29 | 1953-06-30 | Cities Service Res & Dev Co | Method of inhibiting corrosion of metals |
| US2836558A (en) * | 1954-05-17 | 1958-05-27 | Cities Service Res & Dev Co | Method of inhibiting corrosion of metals |
| US2836557A (en) * | 1954-05-17 | 1958-05-27 | Cities Service Res & Dev Co | Method of inhibiting corrosion of metals |
| US3025313A (en) * | 1957-06-28 | 1962-03-13 | Dearborn Chemicals Co | Amino-aldehyde condensation product |
| US3247094A (en) * | 1962-11-23 | 1966-04-19 | Nalco Chemical Co | Inhibiting corrosion of metal conductors |
| US3432527A (en) * | 1964-11-05 | 1969-03-11 | Armour Ind Chem Co | Corrosion inhibitor composition and method |
| EP0156631A3 (de) * | 1984-03-29 | 1987-04-01 | The Dow Chemical Company | Korrosionsinhibitoren |
-
1989
- 1989-07-17 US US07/380,981 patent/US4986962A/en not_active Expired - Fee Related
- 1989-07-21 EP EP89201924A patent/EP0352855B1/de not_active Expired - Lifetime
- 1989-07-21 AT AT89201924T patent/ATE105876T1/de not_active IP Right Cessation
- 1989-07-21 DE DE68915357T patent/DE68915357T2/de not_active Expired - Fee Related
- 1989-07-21 ES ES89201924T patent/ES2053952T3/es not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0352855A2 (de) | 1990-01-31 |
| ES2053952T3 (es) | 1994-08-01 |
| EP0352855A3 (de) | 1992-07-08 |
| ATE105876T1 (de) | 1994-06-15 |
| EP0352855B1 (de) | 1994-05-18 |
| DE68915357T2 (de) | 1994-10-13 |
| US4986962A (en) | 1991-01-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |