DE68906124D1 - Korrosionsinhibierung in waessrigen systemen. - Google Patents
Korrosionsinhibierung in waessrigen systemen.Info
- Publication number
- DE68906124D1 DE68906124D1 DE8989120352T DE68906124T DE68906124D1 DE 68906124 D1 DE68906124 D1 DE 68906124D1 DE 8989120352 T DE8989120352 T DE 8989120352T DE 68906124 T DE68906124 T DE 68906124T DE 68906124 D1 DE68906124 D1 DE 68906124D1
- Authority
- DE
- Germany
- Prior art keywords
- bis
- group
- ethylene
- phosphonic acid
- corrosion inhibition
- 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
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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/023—Water in cooling circuits
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/08—Corrosion inhibition
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 |
---|---|---|---|
US07/269,210 US4981648A (en) | 1988-11-09 | 1988-11-09 | Inhibiting corrosion in aqueous systems |
Publications (1)
Publication Number | Publication Date |
---|---|
DE68906124D1 true DE68906124D1 (de) | 1993-05-27 |
Family
ID=23026276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8989120352T Expired - Lifetime DE68906124D1 (de) | 1988-11-09 | 1989-11-03 | Korrosionsinhibierung in waessrigen systemen. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4981648A (de) |
EP (1) | EP0368155B1 (de) |
JP (1) | JPH02194187A (de) |
AT (1) | ATE88509T1 (de) |
DE (1) | DE68906124D1 (de) |
ES (1) | ES2039807T3 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002040073A1 (en) * | 2000-11-20 | 2002-05-23 | Université De Genève | Endosseous implant |
Family Cites Families (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2632767A (en) * | 1948-12-29 | 1953-03-24 | Standard Oil Dev Co | Complex phosphate ester synthetic lubricant |
US2535172A (en) * | 1949-02-25 | 1950-12-26 | Us Rubber Co | Dialkyl 2-alkoxy-ethanephosphonates and process of preparing |
DE1010965B (de) * | 1956-05-08 | 1957-06-27 | Henkel & Cie Gmbh | Verfahren zur Herstellung von sauren Estern der Acylphosphonsaeuren bzw. ihrer Salze |
US3032578A (en) * | 1958-01-06 | 1962-05-01 | Olin Mathieson | Phosphonate compositions |
US4440646A (en) * | 1965-08-24 | 1984-04-03 | Plains Chemical Development Co. | Chelation |
US3429824A (en) * | 1966-06-24 | 1969-02-25 | Texaco Inc | Composition and method for treating scale |
US3488289A (en) * | 1966-06-24 | 1970-01-06 | Texaco Inc | Composition and method for treating scale |
US3803048A (en) * | 1966-09-22 | 1974-04-09 | Grace W R & Co | Organic phosphonic acid compound corrosion protection in aqueous systems |
US3803047A (en) * | 1966-09-22 | 1974-04-09 | Grace W R & Co | Organic phosphonic acid compound corrosion protection in aqueous systems |
US3431217A (en) * | 1966-09-22 | 1969-03-04 | Grace W R & Co | Organic phosphorous acid compound-chromate corrosion protection in aqueous systems |
US3341467A (en) * | 1967-03-03 | 1967-09-12 | Grace W R & Co | Method of inhibiting foaming in aqueous systems |
US3600470A (en) * | 1967-10-27 | 1971-08-17 | Swift & Co | Hydroxy or alkoxy phosphonate compositions and amine salts thereof |
US3738806A (en) * | 1968-01-26 | 1973-06-12 | Monsanto Co | Process for the prevention of corrosion |
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 |
US3714066A (en) * | 1970-04-13 | 1973-01-30 | Monsanto Co | Methods of inhibiting corrosion with ethane diphosphonate compositions |
US4080375A (en) * | 1971-02-05 | 1978-03-21 | Petrolite Corporation | Methylene phosphonates of amino-terminated oxyalkylates and uses therefor |
US3837803A (en) * | 1972-07-11 | 1974-09-24 | Betz Laboratories | Orthophosphate corrosion inhibitors and their use |
US3890228A (en) * | 1973-04-13 | 1975-06-17 | Chemed Corp | Polyacrylate-polyphosphonic acid treatment in aqueous systems |
US3960576A (en) * | 1973-06-25 | 1976-06-01 | Betz Laboratories, Inc. | Silicate-based corrosion inhibitor |
US3976494A (en) * | 1973-12-27 | 1976-08-24 | Onoda Cement Company, Ltd. | Process for inhibiting corrosion of iron or steel placed in cement products |
US4085134A (en) * | 1974-02-15 | 1978-04-18 | Petrolite Corporation | Amino-phosphonic-sulfonic acids |
US3970729A (en) * | 1974-08-05 | 1976-07-20 | Stauffer Chemical Company | Process of synthesizing di-polyoxylalkylene hydroxymethylphosphonate |
DE2441783B2 (de) * | 1974-08-31 | 1976-09-09 | Hoechst Ag, 6000 Frankfurt | Verfahren zur herstellung von phosphon- und phosphinsaeuren |
US4209487A (en) * | 1975-06-02 | 1980-06-24 | Monsanto Company | Method for corrosion inhibition |
US4056480A (en) * | 1975-06-10 | 1977-11-01 | Monsanto Company | Hydraulic fluids |
US4003842A (en) * | 1975-07-14 | 1977-01-18 | American Cyanamid Company | Corrosion and scale inhibitors for industrial recirculating cooling water systems |
US4052160A (en) * | 1975-07-23 | 1977-10-04 | Ciba-Geigy Corporation | Corrosion inhibitors |
US4029696A (en) * | 1976-04-09 | 1977-06-14 | Benckiser-Knapsack Gmbh | N-hydroxy alkane amino alkane diphosphonic acids, process of producing same, and compositions for and method of using same |
DE2621606C2 (de) * | 1976-05-14 | 1987-04-16 | Bayer Ag, 5090 Leverkusen | Verwendung von Propan-1,3-diphosphonsäuren für die Wasserkonditionierung |
DE2739843A1 (de) * | 1977-09-03 | 1979-03-15 | Bayer Ag | Verfahren zur herstellung von hoehermolekularen phosphorsaeure- bzw. phosphonsaeurearylestern |
US4206075A (en) * | 1978-05-05 | 1980-06-03 | Calgon Corporation | Corrosion inhibitor |
EP0010485B1 (de) * | 1978-10-13 | 1982-05-12 | UNION CHIMIQUE ET INDUSTRIELLE DE L'OUEST S.A. Société anonyme dite: | Korrosionsinhibitor-Zusammensetzung, Verfahren zu ihrer Herstellung und ihre Verwendung zum Schutz von Metalloberflächen |
AU542509B2 (en) * | 1979-08-30 | 1985-02-21 | Gesellschaft Fur Kernforschung Mbh | Phosphoric acids and their derivatives |
US4465516A (en) * | 1981-04-24 | 1984-08-14 | Sandoz Ltd. | Asymmetrical diesters of ortho-phosphoric acid useful as corrosion inhibitors |
US4719031A (en) * | 1985-08-19 | 1988-01-12 | Monsanto Company | Polymeric alkylene diphosphonate anhydrides, their production and use |
US4717542A (en) * | 1987-01-23 | 1988-01-05 | W. R. Grace & Co. | Inhibiting corrosion of iron base metals |
US4911887A (en) * | 1988-11-09 | 1990-03-27 | W. R. Grace & Co.-Conn. | Phosphonic acid compounds and the preparation and use thereof |
-
1988
- 1988-11-09 US US07/269,210 patent/US4981648A/en not_active Expired - Fee Related
-
1989
- 1989-11-03 ES ES198989120352T patent/ES2039807T3/es not_active Expired - Lifetime
- 1989-11-03 EP EP89120352A patent/EP0368155B1/de not_active Expired - Lifetime
- 1989-11-03 DE DE8989120352T patent/DE68906124D1/de not_active Expired - Lifetime
- 1989-11-03 AT AT89120352T patent/ATE88509T1/de not_active IP Right Cessation
- 1989-11-09 JP JP1290120A patent/JPH02194187A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0368155B1 (de) | 1993-04-21 |
US4981648A (en) | 1991-01-01 |
ATE88509T1 (de) | 1993-05-15 |
JPH02194187A (ja) | 1990-07-31 |
EP0368155A1 (de) | 1990-05-16 |
ES2039807T3 (es) | 1993-10-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |