GB8624484D0 - Scale inhibitor of maleic acid polymer - Google Patents
Scale inhibitor of maleic acid polymerInfo
- Publication number
- GB8624484D0 GB8624484D0 GB868624484A GB8624484A GB8624484D0 GB 8624484 D0 GB8624484 D0 GB 8624484D0 GB 868624484 A GB868624484 A GB 868624484A GB 8624484 A GB8624484 A GB 8624484A GB 8624484 D0 GB8624484 D0 GB 8624484D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- maleic acid
- acid polymer
- scale inhibitor
- inhibitor
- scale
- 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.)
- Withdrawn
Links
Classifications
-
- 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
-
- 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
- C02F5/12—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 nitrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
- C08F222/02—Acids; Metal salts or ammonium salts thereof, e.g. maleic acid or itaconic acid
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60230821A JP2714376B2 (en) | 1985-10-16 | 1985-10-16 | Scale inhibitors |
JP23082285A JPS6291295A (en) | 1985-10-16 | 1985-10-16 | Scale inhibitor |
Publications (2)
Publication Number | Publication Date |
---|---|
GB8624484D0 true GB8624484D0 (en) | 1986-11-19 |
GB2181735A GB2181735A (en) | 1987-04-29 |
Family
ID=26529556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08624484A Withdrawn GB2181735A (en) | 1985-10-16 | 1986-10-13 | Maleic acid polymer for use as scale inhibitor |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH668975A5 (en) |
DE (1) | DE3635126A1 (en) |
GB (1) | GB2181735A (en) |
IL (1) | IL80317A (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4919821A (en) * | 1986-03-21 | 1990-04-24 | Nalco Chemical Company | Modified maleic anhydride polymers and the like for use as scale inhibitors |
DE3728786A1 (en) * | 1987-08-28 | 1989-03-09 | Sandoz Ag | Polymeric compounds, their preparation and use |
DE3809663A1 (en) * | 1988-03-23 | 1989-10-12 | Metallgesellschaft Ag | METHOD FOR REDUCING DEPOSITS IN EQUIPMENT FOR EVAPORATING SULFIT BLUE |
EP0337694B1 (en) | 1988-04-11 | 1993-12-29 | Nippon Shokubai Co., Ltd. | Process for producing acid-type maleic acid polymer and water-treating agent and detergent additive containing said polymer |
US5135677A (en) * | 1988-04-11 | 1992-08-04 | Nippon Shokubai Co., Ltd. | Process for producing acid-type maleic acid polymer and water-treating agent and detergent additive containing said polymer |
GB8906413D0 (en) * | 1989-03-21 | 1989-05-04 | Ciba Geigy Ag | Composition for treating water or aqueous systems |
US5135661A (en) * | 1989-03-21 | 1992-08-04 | Suresh Patel | Process for treating water or aqueous systems |
DE69015424T2 (en) * | 1989-04-28 | 1995-08-17 | Nippon Catalytic Chem Ind | Process for the preparation and use of salts of polymers of maleic acid with improved biodegradability. |
US5320757A (en) * | 1993-04-05 | 1994-06-14 | Betz Laboratories, Inc. | Method of inhibiting calcium oxalate scale deposition |
US6312644B1 (en) * | 1999-12-16 | 2001-11-06 | Nalco Chemical Company | Fluorescent monomers and polymers containing same for use in industrial water systems |
CN104310602B (en) * | 2014-11-06 | 2016-02-24 | 马鞍山市鸿伟环化有限公司 | A kind of without the compound corrosion inhibiting and descaling agent of phosphine |
JP2023527312A (en) * | 2020-05-28 | 2023-06-28 | エコラボ ユーエスエー インコーポレイティド | Closed-loop cooling water corrosion inhibition using polymaleate and non-borate buffers |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS496832B1 (en) * | 1970-11-17 | 1974-02-16 | ||
US3972903A (en) * | 1972-12-21 | 1976-08-03 | The Dow Chemical Company | Molecular weight control in charge-transfer copolymerization |
US4076677A (en) * | 1976-06-23 | 1978-02-28 | Desoto, Inc. | Aqueous copolymer dispersions and method of producing the same |
US4223120A (en) * | 1977-03-23 | 1980-09-16 | Pfizer Inc. | Terpolymers of maleic anhydride and their use as scale control agents |
US4065607A (en) * | 1977-03-23 | 1977-12-27 | Pfizer Inc. | Terpolymers of maleic anhydride and their use as scale control agents |
JPS60212411A (en) * | 1984-04-06 | 1985-10-24 | Kao Corp | Preparation of polymaleic acid and its copolymer |
-
1986
- 1986-10-13 GB GB08624484A patent/GB2181735A/en not_active Withdrawn
- 1986-10-14 CH CH4093/86A patent/CH668975A5/en not_active IP Right Cessation
- 1986-10-15 DE DE19863635126 patent/DE3635126A1/en not_active Withdrawn
- 1986-10-15 IL IL80317A patent/IL80317A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
IL80317A (en) | 1989-08-15 |
GB2181735A (en) | 1987-04-29 |
DE3635126A1 (en) | 1987-04-16 |
IL80317A0 (en) | 1987-01-30 |
CH668975A5 (en) | 1989-02-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |