ATE3067T1 - Verfahren zur verhinderung der korrosion von kohlenstoffarmen staehlen in waessrigem medium. - Google Patents
Verfahren zur verhinderung der korrosion von kohlenstoffarmen staehlen in waessrigem medium.Info
- Publication number
- ATE3067T1 ATE3067T1 AT79400284T AT79400284T ATE3067T1 AT E3067 T1 ATE3067 T1 AT E3067T1 AT 79400284 T AT79400284 T AT 79400284T AT 79400284 T AT79400284 T AT 79400284T AT E3067 T1 ATE3067 T1 AT E3067T1
- Authority
- AT
- Austria
- Prior art keywords
- low carbon
- aqueous medium
- preventing corrosion
- carbon steels
- acid
- Prior art date
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
- 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
- C23F11/167—Phosphorus-containing compounds
- C23F11/1676—Phosphonic acids
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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/903,169 US4206075A (en) | 1978-05-05 | 1978-05-05 | Corrosion inhibitor |
EP79400284A EP0006041B1 (de) | 1978-05-05 | 1979-05-04 | Verfahren zur Verhinderung der Korrosion von kohlenstoffarmen Stählen in wässrigem Medium |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE3067T1 true ATE3067T1 (de) | 1983-04-15 |
Family
ID=25417054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT79400284T ATE3067T1 (de) | 1978-05-05 | 1979-05-04 | Verfahren zur verhinderung der korrosion von kohlenstoffarmen staehlen in waessrigem medium. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4206075A (de) |
EP (1) | EP0006041B1 (de) |
JP (1) | JPS54146238A (de) |
AT (1) | ATE3067T1 (de) |
CA (1) | CA1115041A (de) |
DE (1) | DE2965180D1 (de) |
DK (1) | DK183779A (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4409121A (en) * | 1980-07-21 | 1983-10-11 | Uop Inc. | Corrosion inhibitors |
GB2084128B (en) * | 1980-09-25 | 1983-11-16 | Dearborn Chemicals Ltd | Inhibiting corrosion in aqueous systems |
US4649025A (en) * | 1985-09-16 | 1987-03-10 | W. R. Grace & Co. | Anti-corrosion composition |
GB2184109A (en) * | 1985-10-29 | 1987-06-17 | Grace W R & Co | The treatment of aqueous systems |
US4935065A (en) * | 1986-08-22 | 1990-06-19 | Ecolab Inc. | Phosphate-free alkaline detergent for cleaning-in-place of food processing equipment |
US5266722A (en) * | 1988-11-09 | 1993-11-30 | W. R. Grace & Co.-Conn. | Polyether bis-phosphonic acid compounds |
US4981648A (en) * | 1988-11-09 | 1991-01-01 | W. R. Grace & Co.-Conn. | Inhibiting corrosion in aqueous systems |
US5017306A (en) * | 1988-11-09 | 1991-05-21 | W. R. Grace & Co.-Conn. | Corrosion inhibitor |
US4911887A (en) * | 1988-11-09 | 1990-03-27 | W. R. Grace & Co.-Conn. | Phosphonic acid compounds and the preparation and use thereof |
JPH0661750B2 (ja) * | 1990-08-09 | 1994-08-17 | 工業技術院長 | 腐食防止法 |
CA3031521A1 (en) | 2016-07-29 | 2018-02-01 | Ecolab Usa Inc. | Benzotriazole and tolyltriazole derivatives for corrosion mitigation |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1201334A (en) | 1966-10-12 | 1970-08-05 | Albright & Wilson Mfg Ltd | Corrosion inhibition |
US3483133A (en) * | 1967-08-25 | 1969-12-09 | Calgon C0Rp | Method of inhibiting corrosion with aminomethylphosphonic acid compositions |
GB1208827A (en) * | 1968-02-23 | 1970-10-14 | Grace W R & Co | Composition and process for inhibiting scaling and/or corrosion in cooling water systems and for stabilizing phosphate solutions |
US3532639A (en) * | 1968-03-04 | 1970-10-06 | Calgon C0Rp | Corrosion inhibiting with combinations of zinc salts,and derivatives of methanol phosphonic acid |
DE1767454C2 (de) * | 1968-05-11 | 1983-01-27 | Henkel KGaA, 4000 Düsseldorf | Verfahren zum Korrosions- und Versteinungsschutz in Warm- und Heißwassersystemen |
US3510436A (en) * | 1968-10-31 | 1970-05-05 | Betz Laboratories | Corrosion inhibition in water system |
GB1283359A (en) * | 1968-11-12 | 1972-07-26 | Rothenborg Specialmaskiner For | A method of and apparatus for manufacturing garments |
US4076501A (en) * | 1971-06-26 | 1978-02-28 | Ciba-Geigy Corporation | Corrosion inhibition of water systems with phosphonic acids |
US3932303A (en) * | 1973-06-04 | 1976-01-13 | Calgon Corporation | Corrosion inhibition with triethanolamine phosphate ester compositions |
US3992318A (en) * | 1973-10-09 | 1976-11-16 | Drew Chemical Corporation | Corrosion inhibitor |
US3935125A (en) * | 1974-06-25 | 1976-01-27 | Chemed Corporation | Method and composition for inhibiting corrosion in aqueous systems |
-
1978
- 1978-05-05 US US05/903,169 patent/US4206075A/en not_active Expired - Lifetime
-
1979
- 1979-04-27 CA CA326,559A patent/CA1115041A/en not_active Expired
- 1979-05-04 JP JP5412979A patent/JPS54146238A/ja active Granted
- 1979-05-04 AT AT79400284T patent/ATE3067T1/de not_active IP Right Cessation
- 1979-05-04 DK DK183779A patent/DK183779A/da unknown
- 1979-05-04 EP EP79400284A patent/EP0006041B1/de not_active Expired
- 1979-05-04 DE DE7979400284T patent/DE2965180D1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0006041A1 (de) | 1979-12-12 |
US4206075A (en) | 1980-06-03 |
DK183779A (da) | 1979-11-06 |
JPS54146238A (en) | 1979-11-15 |
EP0006041B1 (de) | 1983-04-13 |
DE2965180D1 (en) | 1983-05-19 |
CA1115041A (en) | 1981-12-29 |
JPH0152476B2 (de) | 1989-11-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
REN | Ceased due to non-payment of the annual fee |