GB8624484D0 - Scale inhibitor of maleic acid polymer - Google Patents

Scale inhibitor of maleic acid polymer

Info

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Withdrawn
Application number
GB868624484A
Other versions
GB2181735A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kao Corp
Original Assignee
Kao Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP60230821A external-priority patent/JP2714376B2/en
Priority claimed from JP23082285A external-priority patent/JPS6291295A/en
Application filed by Kao Corp filed Critical Kao Corp
Publication of GB8624484D0 publication Critical patent/GB8624484D0/en
Publication of GB2181735A publication Critical patent/GB2181735A/en
Withdrawn legal-status Critical Current

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)
GB08624484A 1985-10-16 1986-10-13 Maleic acid polymer for use as scale inhibitor Withdrawn GB2181735A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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)