DE59508882D1 - Verfahren zur Verhinderung der Korrosion von Metallen in wässrigen Systemen - Google Patents
Verfahren zur Verhinderung der Korrosion von Metallen in wässrigen SystemenInfo
- Publication number
- DE59508882D1 DE59508882D1 DE59508882T DE59508882T DE59508882D1 DE 59508882 D1 DE59508882 D1 DE 59508882D1 DE 59508882 T DE59508882 T DE 59508882T DE 59508882 T DE59508882 T DE 59508882T DE 59508882 D1 DE59508882 D1 DE 59508882D1
- Authority
- DE
- Germany
- Prior art keywords
- metals
- aqueous systems
- preventing corrosion
- systems
- corrosion
- 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
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
-
- 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
-
- 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
- C23F11/16—Sulfur-containing compounds
- C23F11/165—Heterocyclic compounds containing sulfur 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4409990A DE4409990A1 (de) | 1994-03-23 | 1994-03-23 | Verfahren zur Verhinderung der Korrosion von Metallen in wäßrigen Systemen |
Publications (1)
Publication Number | Publication Date |
---|---|
DE59508882D1 true DE59508882D1 (de) | 2001-01-11 |
Family
ID=6513602
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4409990A Withdrawn DE4409990A1 (de) | 1994-03-23 | 1994-03-23 | Verfahren zur Verhinderung der Korrosion von Metallen in wäßrigen Systemen |
DE59508882T Expired - Fee Related DE59508882D1 (de) | 1994-03-23 | 1995-03-14 | Verfahren zur Verhinderung der Korrosion von Metallen in wässrigen Systemen |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4409990A Withdrawn DE4409990A1 (de) | 1994-03-23 | 1994-03-23 | Verfahren zur Verhinderung der Korrosion von Metallen in wäßrigen Systemen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0674021B1 (de) |
AT (1) | ATE197970T1 (de) |
DE (2) | DE4409990A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4427038C2 (de) * | 1994-07-29 | 1998-05-20 | Schilling Chemie Gmbh U Produk | Verfahren zur Entfernung in Wasser gelösten Sauerstoffes, insbesondere in wasserführenden, geschlossenen Systemen |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1361613A (fr) * | 1962-05-08 | 1964-05-22 | Shell Res Ltd | Perfectionnements aux compositions refroidissantes ou lubrifiantes pour le travail des métaux |
DE1696316C2 (de) * | 1962-08-14 | 1974-10-03 | Fritz Dr. 8500 Nuernberg Boehmlaender | Verwendung von Hydrazinhydrat oder Hydrazinsalz zum Korrosionsschutz in Salzlösungen, insbesondere in Kühlkreislaufsalzlösungen und Kühlsolen |
CH458013A (de) * | 1964-03-21 | 1968-06-15 | Bayer Ag | Verfahren zum Korrosionsschutz von metallischen Gegenständen |
DE2919197A1 (de) * | 1979-05-12 | 1980-11-27 | Hoechst Ag | Verfahren zur herstellung von vinylchlorid-polymerisaten |
US4311599A (en) * | 1980-11-12 | 1982-01-19 | Nalco Chemical Company | Reduced methylene blue for oxygen removal |
-
1994
- 1994-03-23 DE DE4409990A patent/DE4409990A1/de not_active Withdrawn
-
1995
- 1995-03-14 AT AT95103622T patent/ATE197970T1/de not_active IP Right Cessation
- 1995-03-14 EP EP95103622A patent/EP0674021B1/de not_active Expired - Lifetime
- 1995-03-14 DE DE59508882T patent/DE59508882D1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE4409990A1 (de) | 1995-09-28 |
ATE197970T1 (de) | 2000-12-15 |
EP0674021A1 (de) | 1995-09-27 |
EP0674021B1 (de) | 2000-12-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE514089T1 (de) | Verfahren zur Korrosionverminderung von an Hochtemperaturwasser ausgesetzten Komponenten. | |
DE69114503T2 (de) | Verfahren zur in-line-hydrolyse von harnstoff. | |
DE69219829D1 (de) | Verfahren zur Nidrierung der stromunterstützten Korrosion von Kohlenstoffstahlkomponenten und enthaltende Komponenten | |
DE3582531D1 (de) | Verfahren zur behandlung von metalloberflaechen. | |
PT84664A (de) | Verfahren zur behandlung von eisen-oder stahloberflaechen | |
ATE27297T1 (de) | Verfahren zur mechanischen bearbeitung von gusseisen und ein waessriges konzentrat zur verwendung bei diesem verfahren. | |
DE69431560D1 (de) | Verfahren zur verminderung des gehaltes an vorlauferverbindungen von schlamm undlack in schmierolen | |
DE59400348D1 (de) | Verfahren zur Regenerierung von Salzsäure aus Beizanlagen | |
DE69314365D1 (de) | Verfahren zur Monohydroxylierung von Phenolverbindungen | |
DE69411333T2 (de) | Verfahren zur Rückgewinnung von verbrauchten Metallätzlösungen | |
DE69415837D1 (de) | Verfahren zur Verminderung des freien Aldehydgehaltes von N-Alkylolamidmonomeren | |
ES2020598B3 (es) | Inhibicion de la corrosion. | |
ATE149366T1 (de) | Immoblisierung metallischer verunreinigungen von einem flüssigen in ein festes medium | |
DE59508882D1 (de) | Verfahren zur Verhinderung der Korrosion von Metallen in wässrigen Systemen | |
DE69505335T2 (de) | Verfahren zur Reinigung von Methacrylsäure | |
ATE200805T1 (de) | Verfahren zur reduktion von schwefel- und küpenfarbstoffen | |
DE59302733D1 (de) | Verfahren zur Reinigung von Fettsäureamiden | |
DE59409261D1 (de) | Verfahren zur Aufarbeitung von Dünnsäure | |
ATE132917T1 (de) | Verfahren zur chemischen konversion von metallgegenständen, verwendetes bad dafür und konzentrat zur herstellung des bades | |
ATE273982T1 (de) | Verfahren zur reinigung eines salzes der clavulansäure | |
ATE184860T1 (de) | Verfahren zur entfernung von unerwünschten farben aus salzsäure | |
DE59405678D1 (de) | Verfahren zur Reinigung von alkalischem Prozesskondensat-Abwasser | |
DE59400815D1 (de) | Verfahren zur umweltfreundlichen verwertung von sauren abwässern | |
DE59307061D1 (de) | Verfahren zur Reduzierung des Phosphatgehaltes im Abwasser bei der Herstellung von Metallsalzen des Ascorbinsäure-2-monophosphats | |
DE59003996D1 (de) | Verfahren zur Wiederverwendung von Abfallschwefelsäure. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: ONDEO NALCO DEUTSCHLAND GMBH, 71691 FREIBERG, DE |
|
8339 | Ceased/non-payment of the annual fee |