DE3760624D1 - Phosphonic acid/phosphate mixtures for controlling corrosion of metal and inhibiting calcium salt precipitation in aqueous systems - Google Patents
Phosphonic acid/phosphate mixtures for controlling corrosion of metal and inhibiting calcium salt precipitation in aqueous systemsInfo
- Publication number
- DE3760624D1 DE3760624D1 DE8787303423T DE3760624T DE3760624D1 DE 3760624 D1 DE3760624 D1 DE 3760624D1 DE 8787303423 T DE8787303423 T DE 8787303423T DE 3760624 T DE3760624 T DE 3760624T DE 3760624 D1 DE3760624 D1 DE 3760624D1
- Authority
- DE
- Germany
- Prior art keywords
- metal
- phosphonic acid
- calcium salt
- aqueous systems
- salt precipitation
- 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
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
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
- C02F5/145—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus combined with inorganic substances
-
- 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
- C23F14/00—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes
- C23F14/02—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes by chemical means
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/853,612 US4671934A (en) | 1986-04-18 | 1986-04-18 | Aminophosphonic acid/phosphate mixtures for controlling corrosion of metal and inhibiting calcium phosphate precipitation |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3760624D1 true DE3760624D1 (en) | 1989-11-02 |
Family
ID=25316508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787303423T Expired DE3760624D1 (en) | 1986-04-18 | 1987-04-16 | Phosphonic acid/phosphate mixtures for controlling corrosion of metal and inhibiting calcium salt precipitation in aqueous systems |
Country Status (9)
Country | Link |
---|---|
US (1) | US4671934A (de) |
EP (1) | EP0242229B1 (de) |
JP (1) | JP2592822B2 (de) |
AU (1) | AU588192B2 (de) |
CA (1) | CA1286490C (de) |
DE (1) | DE3760624D1 (de) |
ES (1) | ES2012482B3 (de) |
MX (1) | MX164115B (de) |
ZA (1) | ZA87242B (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4759852A (en) * | 1987-10-15 | 1988-07-26 | Nalco Chemical Company | Use of sulfamic acid to inhibit phosphonate decomposition by chlorine-bromine mixtures |
US5061797A (en) * | 1988-03-29 | 1991-10-29 | Buckman Laboratories International, Inc. | 1-methyl-3,5,7-triaza-1-azoniatricyclodecane compounds |
US5245031A (en) * | 1988-03-29 | 1993-09-14 | Buckman Laboratories International, Inc. | 1-methyl-3,5,7-triaza-1-azoniatricyclodecane compounds, a method for preparing these compounds, their use in the control of microorganisms in aqueous systems, and their use in the inhibition of corrosion |
US5019343A (en) * | 1989-12-15 | 1991-05-28 | W. R. Grace & Co.-Conn. | Control of corrosion in aqueous systems using certain phosphonomethyl amines |
US5864003A (en) * | 1996-07-23 | 1999-01-26 | Georgia-Pacific Resins, Inc. | Thermosetting phenolic resin composition |
US5962603A (en) * | 1996-07-23 | 1999-10-05 | Georgia-Pacific Resins, Inc. | Intumescent composition and method |
US6228914B1 (en) | 1998-01-02 | 2001-05-08 | Graftech Inc. | Intumescent composition and method |
EP1378472B1 (de) * | 2002-07-02 | 2008-03-19 | Müller Martini Holding AG | Einrichtung zum Transport eines in einer Zusammentragmaschine aus stehend aneinandergereihten Druckbogen gebildeten, auf einer Auflage liegenden Stapels |
US7087703B2 (en) * | 2004-07-26 | 2006-08-08 | Georgia-Pacific Resins, Inc. | Phenolic resin compositions containing etherified hardeners |
JP7188190B2 (ja) * | 2019-02-28 | 2022-12-13 | 栗田工業株式会社 | 水系の防食方法及び水系システム |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1201334A (en) * | 1966-10-12 | 1970-08-05 | Albright & Wilson Mfg Ltd | Corrosion inhibition |
US3738806A (en) * | 1968-01-26 | 1973-06-12 | Monsanto Co | Process for the prevention of corrosion |
DE1767454C2 (de) * | 1968-05-11 | 1983-01-27 | Henkel KGaA, 4000 Düsseldorf | Verfahren zum Korrosions- und Versteinungsschutz in Warm- und Heißwassersystemen |
US3714066A (en) * | 1970-04-13 | 1973-01-30 | Monsanto Co | Methods of inhibiting corrosion with ethane diphosphonate compositions |
US3816333A (en) * | 1971-07-07 | 1974-06-11 | Monsanto Co | Methods of inhibiting corrosion with condensed polyalkylenepolyamine derivatives |
US3837803A (en) * | 1972-07-11 | 1974-09-24 | Betz Laboratories | Orthophosphate corrosion inhibitors and their use |
US3992318A (en) * | 1973-10-09 | 1976-11-16 | Drew Chemical Corporation | Corrosion inhibitor |
CA1051188A (en) * | 1974-12-03 | 1979-03-27 | Chih M. Hwa | Composition and method of inhibiting corrosion |
US4029577A (en) * | 1975-11-17 | 1977-06-14 | Betz Laboratories, Inc. | Polymers for use in water treatment |
SE435456B (sv) * | 1976-01-07 | 1984-10-01 | Calgon Corp | Komposition och forfarande for att kontrollera uppbyggnaden av pannsten i gastvettare |
US4105581A (en) * | 1977-02-18 | 1978-08-08 | Drew Chemical Corporation | Corrosion inhibitor |
US4217216A (en) * | 1977-04-01 | 1980-08-12 | The Mogul Corporation | Corrosion inhibiting compositions |
US4222779A (en) * | 1979-06-04 | 1980-09-16 | Dart Industries Inc. | Non-chromate conversion coatings |
US4317744A (en) * | 1979-04-25 | 1982-03-02 | Drew Chemical Corporation | Corrosion inhibitor |
US4303568A (en) * | 1979-12-10 | 1981-12-01 | Betz Laboratories, Inc. | Corrosion inhibition treatments and method |
US4406811A (en) * | 1980-01-16 | 1983-09-27 | Nalco Chemical Company | Composition and method for controlling corrosion in aqueous systems |
DE3032226A1 (de) * | 1980-08-27 | 1982-04-01 | Henkel KGaA, 4000 Düsseldorf | Verfahren und mittel zum passivieren von eisen- und stahloberflaechen |
US4497713A (en) * | 1982-04-01 | 1985-02-05 | Betz Laboratories | Method of inhibiting corrosion and deposition in aqueous systems |
US4551262A (en) * | 1983-10-05 | 1985-11-05 | Samakaev Rafail K | Composition for preventing deposition of inorganic salts |
DE3506932A1 (de) * | 1985-02-27 | 1986-08-28 | Messer Griesheim Gmbh, 6000 Frankfurt | Vorrichtung zur erzeugung eines trockenen kalten gasstromes |
US4650591A (en) * | 1985-08-29 | 1987-03-17 | Calgon Corporation | Acrylic acid/2-acrylamido-2-methylpropylsulfonic acid/2-acrylamido-2-methylpropyl phosphonic acid polymers as scale and corrosion inhibitors |
AU612603B2 (en) * | 1986-11-13 | 1991-07-18 | B.F. Goodrich Company, The | Calcium phosphonate scale inhibition |
-
1986
- 1986-04-18 US US06/853,612 patent/US4671934A/en not_active Expired - Lifetime
- 1986-12-31 CA CA000526578A patent/CA1286490C/en not_active Expired - Fee Related
-
1987
- 1987-01-14 ZA ZA87242A patent/ZA87242B/xx unknown
- 1987-02-10 MX MX5192A patent/MX164115B/es unknown
- 1987-02-20 JP JP62037682A patent/JP2592822B2/ja not_active Expired - Fee Related
- 1987-04-06 AU AU71113/87A patent/AU588192B2/en not_active Ceased
- 1987-04-16 DE DE8787303423T patent/DE3760624D1/de not_active Expired
- 1987-04-16 ES ES87303423T patent/ES2012482B3/es not_active Expired - Lifetime
- 1987-04-16 EP EP87303423A patent/EP0242229B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0242229B1 (de) | 1989-09-27 |
JP2592822B2 (ja) | 1997-03-19 |
ES2012482B3 (es) | 1990-04-01 |
EP0242229A1 (de) | 1987-10-21 |
AU7111387A (en) | 1987-10-22 |
JPS62256973A (ja) | 1987-11-09 |
ZA87242B (en) | 1987-09-30 |
US4671934A (en) | 1987-06-09 |
AU588192B2 (en) | 1989-09-07 |
MX164115B (es) | 1992-07-17 |
CA1286490C (en) | 1991-07-23 |
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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 |