[go: up one dir, main page]

BR8206282A - Processo para preparacao de um copolimero substancialmente homogeneo de acido(met)acrilico/acido itaconico,copolimero e seu sal,solucao aquosa e processo para impedir a formacao de crosta em agua que contem impurezas formadas de crosta - Google Patents

Processo para preparacao de um copolimero substancialmente homogeneo de acido(met)acrilico/acido itaconico,copolimero e seu sal,solucao aquosa e processo para impedir a formacao de crosta em agua que contem impurezas formadas de crosta

Info

Publication number
BR8206282A
BR8206282A BR8206282A BR8206282A BR8206282A BR 8206282 A BR8206282 A BR 8206282A BR 8206282 A BR8206282 A BR 8206282A BR 8206282 A BR8206282 A BR 8206282A BR 8206282 A BR8206282 A BR 8206282A
Authority
BR
Brazil
Prior art keywords
acid
water
copolimer
met
salt
Prior art date
Application number
BR8206282A
Other languages
English (en)
Inventor
Stanley Walter Walinsky
Original Assignee
Pfizer
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26980394&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR8206282(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Pfizer filed Critical Pfizer
Publication of BR8206282A publication Critical patent/BR8206282A/pt

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
    • 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
    • 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
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/04—Acids; Metal salts or ammonium salts thereof
    • C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S525/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S525/902—Core-shell

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)
BR8206282A 1981-10-29 1982-10-27 Processo para preparacao de um copolimero substancialmente homogeneo de acido(met)acrilico/acido itaconico,copolimero e seu sal,solucao aquosa e processo para impedir a formacao de crosta em agua que contem impurezas formadas de crosta BR8206282A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31636581A 1981-10-29 1981-10-29
US06/401,055 US4485223A (en) 1981-10-29 1982-07-22 (Meth)acrylic acid/itaconic acid copolymers, their preparation and use as antiscalants

Publications (1)

Publication Number Publication Date
BR8206282A true BR8206282A (pt) 1983-09-20

Family

ID=26980394

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8206282A BR8206282A (pt) 1981-10-29 1982-10-27 Processo para preparacao de um copolimero substancialmente homogeneo de acido(met)acrilico/acido itaconico,copolimero e seu sal,solucao aquosa e processo para impedir a formacao de crosta em agua que contem impurezas formadas de crosta

Country Status (6)

Country Link
US (1) US4485223A (pt)
EP (1) EP0079165B1 (pt)
BR (1) BR8206282A (pt)
DE (1) DE3262699D1 (pt)
DK (1) DK478082A (pt)
IL (1) IL67101A0 (pt)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5180790A (en) * 1983-04-20 1993-01-19 Coatex S.A. Water soluble complexing agent for metallic cations
US4622370A (en) * 1984-05-01 1986-11-11 Diamond Shamrock Chemicals Company Aqueous drilling fluids containing fluid loss additives
US4713195A (en) * 1986-01-30 1987-12-15 Aqua-Chem Inc. Scale inhibitor
FR2601030B1 (fr) * 1986-07-03 1989-04-07 Coatex Sa Compositions acides a hautes concentrations en matieres actives pour le traitement des eaux et/ou le nettoyage des installations les contenant
US4762621A (en) * 1986-11-13 1988-08-09 The B. F. Goodrich Company Itaconate ester copolymers as scale inhibitors
US5055540A (en) * 1990-02-06 1991-10-08 Rohm And Haas Company Process for efficient molecular weight control in copolymerization
EP0511850A1 (en) * 1991-04-30 1992-11-04 Calgon Corporation Terpolymer of itaconic acid for high PH scale control
US5268437A (en) * 1992-01-22 1993-12-07 Rohm And Haas Company High temperature aqueous polymerization process
US5177153A (en) * 1992-06-10 1993-01-05 Xerox Corporation Suspension polymerization process for the preparation of polymeric material from gaseous and non-gaseous monomers
US6335404B1 (en) * 1994-04-05 2002-01-01 Rohm And Haas Company Aqueous process for preparing aqueous weight carboxyl containing polymers
CA2848660C (en) 2011-09-14 2015-11-03 Aquasource Technologies Corporation System and method for water treatment
WO2014151439A1 (en) * 2013-03-15 2014-09-25 Lubrizol Advanced Materials, Inc. Itaconic acid polymers for oral care applications
EP2970542B1 (en) 2013-03-15 2019-07-24 Lubrizol Advanced Materials, Inc. Itaconic acid copolymers
JP7071039B2 (ja) 2014-03-14 2022-05-18 ルブリゾル アドバンスド マテリアルズ， インコーポレイテッド イタコン酸ポリマーおよびコポリマー
CN112759696B (zh) * 2020-12-28 2022-07-26 辽宁恒星精细化工有限公司 一种活性染料印花水洗用中和酸的制备方法
FR3158511A1 (fr) * 2024-01-18 2025-07-25 Coatex Composition polyitaconique

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL64159C (pt) * 1942-12-10
US2783217A (en) * 1952-11-18 1957-02-26 Kellogg M W Co Copolymers of a perfluorochloroethylene and a hydrocarbon diene and method for theirmanufacture
US3308067A (en) * 1963-04-01 1967-03-07 Procter & Gamble Polyelectrolyte builders and detergent compositions
US3366509A (en) * 1964-05-25 1968-01-30 Pfizer & Co C Textile process and composition
FR1480972A (pt) * 1965-05-28 1967-08-09
JPS4937590B1 (pt) * 1970-08-28 1974-10-09
GB2054548B (en) * 1979-06-19 1982-12-22 Sanyo Chemical Ind Ltd Scale removal

Also Published As

Publication number Publication date
DE3262699D1 (en) 1985-04-25
EP0079165B1 (en) 1985-03-20
EP0079165A3 (en) 1983-08-31
DK478082A (da) 1983-04-30
EP0079165A2 (en) 1983-05-18
US4485223A (en) 1984-11-27
IL67101A0 (en) 1983-02-23

Similar Documents

Publication Publication Date Title
BR8206282A (pt) Processo para preparacao de um copolimero substancialmente homogeneo de acido(met)acrilico/acido itaconico,copolimero e seu sal,solucao aquosa e processo para impedir a formacao de crosta em agua que contem impurezas formadas de crosta
BR8504813A (pt) Sistema de distribuicao;material composto que tem matriz hidrofobica substancialmente externa e processo para preparar sistema de distribuicao
BR8002584A (pt) Solucao aquosa de acido inorganico,gelizada e espumada e processo para tratar uma formacao de poco subterraneo
PT83233B (pt) Processo para a preparacao de derivados de esteres de acido acrilico com efeito fungicida e de composicoes fungicidas que os contem
BR8306873A (pt) Processo para a preparacao de granulados dispersaveis na agua e granulados obtidos
BR8306007A (pt) Processo para reducao do teor de agua de um acido alcanossulfonico inferior
BR8707455A (pt) Sistema e processo para detectar ions em solucao aquosa e sonda para insercao parcial na mesma
BR8204263A (pt) Processo para fabricar silicio a partir de material em po que contem silica
IT1130895B (it) Processo per l'evaporazione ed eventualmente il recupero di acqua da soluzioni acquose
IT1195265B (it) Processo per produrre acido metacrilico
BR8500859A (pt) Processo para preparar acido aminometilenofosfonico do acido n,n-diacetico
BR8402345A (pt) Processo de preparar concreto em uma betoneira mecanica e sistema para controlar a preparacao de concreto em uma betoneira mecanica
BR8302157A (pt) Sistema e processo para controlar a temperatura de um reator
BR8306645A (pt) Processo para preparar produtos de adicao de monoeter e polieter poliol contendo acido caboxilico;produto de adicao de monoeter ou polieter poliol contendo acido carboxilico
BR8605395A (pt) Processo para manter ferro estabilizado em um sistema aquoso que contem ferro soluvel e processo para inibir a precipitacao de sais formadores de incrustacao
BR8207501A (pt) Processo de extracao liquido - liquido de uma substancia a partir de uma soluccao aquosa, e aplicacao do dito processo na extracao de cations de suas solucoes aquosas
BR8200333A (pt) Processo para preparar um diester de acido oxalico
IT1126404B (it) Processo di ricupero dell'uranio presente nelle soluzioni di acido fosforico
BR7806695A (pt) Processo e sistema de composicoes para inibir a formacao de compostos e de condicoes explosivas em concentrados prateados
BR8503117A (pt) Processo para reduzir a concentracao de compostos organometalicos contidos em meios aquosos
BR8404523A (pt) Preparacao granular contendo proximidona,facilmente dispersivel em agua,processo para sua preparacao e processo para controlar doencas de plantas
BR8303457A (pt) Processo para reduzir a radiotividade em sulfato de calcio contendo contaminacao radioativa,processo via umida do tipo hemidrato para producao de acido fosforico e sulfato de calcio de rocha de fosfato e processo de diidrato via umida para producao de acido fosforico e sulfato de calcio de rocha de fosfato
BR8201212A (pt) Sistema catalitico solucao ativadora e processo para produzir uma poliuretana
BR8000441A (pt) Processo para recuperacao de um concentrado contendo uranio e de acido fosforico purificado a partir de acido fosforico do prcesso via umida
MX174470B (es) Mejoras en proceso para convertir acido hexafluoroarsenico o cualquier sal del mismo en acido arsenico o sal del mismo que entonces puede hacerse no peligroso