ES2055395T3 - Polimerizacion de anhidrido de acido maleico. - Google Patents

Polimerizacion de anhidrido de acido maleico.

Info

Publication number
ES2055395T3
ES2055395T3 ES90810081T ES90810081T ES2055395T3 ES 2055395 T3 ES2055395 T3 ES 2055395T3 ES 90810081 T ES90810081 T ES 90810081T ES 90810081 T ES90810081 T ES 90810081T ES 2055395 T3 ES2055395 T3 ES 2055395T3
Authority
ES
Spain
Prior art keywords
maleic acid
acid anhydride
anhydride polymerization
polymerization
anhydride
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
Application number
ES90810081T
Other languages
English (en)
Inventor
Jan Dr Rideout
Duncan James Macquarrie
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.)
FMC Technologies Ltd
Original Assignee
FMC Corp UK Ltd
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=26294954&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2055395(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GB898903330A external-priority patent/GB8903330D0/en
Priority claimed from GB898926586A external-priority patent/GB8926586D0/en
Application filed by FMC Corp UK Ltd filed Critical FMC Corp UK Ltd
Application granted granted Critical
Publication of ES2055395T3 publication Critical patent/ES2055395T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
    • C07C57/30—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms containing six-membered aromatic rings
    • C07C57/38—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms containing six-membered aromatic rings polycyclic
    • 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
    • C08F22/00—Homopolymers and 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
    • C08F22/04—Anhydrides, e.g. cyclic anhydrides
    • C08F22/06—Maleic anhydride

Abstract

EL ANHIDRIDO DE ACIDO POLIMALEINICO CON UN PESO MOLECULAR MEDIO SE MIDE CON UNA CROMATOGRAFIA PERMEABLE DEL GEL ENTRE 450 Y 800 Y UN INDICE DE POLIMOLECULARIDAD ENTRE 1,0 Y 1,15 Y SE OBTIENE A TRAVES DE LA POLIMERIZACION DE ANHIDRIDO DE ACIDO MALEINICO CON UN CONTENIDO DE INICIADORES DE PEROXIDACION RESPECTO AL ANHIDRIDO MENOR DEL 10% EN UNA DISOLUCION DILUIDA EN O-XILOL O UN O O-XYLOL.
ES90810081T 1989-02-14 1990-02-06 Polimerizacion de anhidrido de acido maleico. Expired - Lifetime ES2055395T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB898903330A GB8903330D0 (en) 1989-02-14 1989-02-14 Polymerisation of maleic anhydride
GB898926586A GB8926586D0 (en) 1989-11-24 1989-11-24 Polymerisation of maleic anhydride

Publications (1)

Publication Number Publication Date
ES2055395T3 true ES2055395T3 (es) 1994-08-16

Family

ID=26294954

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90810081T Expired - Lifetime ES2055395T3 (es) 1989-02-14 1990-02-06 Polimerizacion de anhidrido de acido maleico.

Country Status (11)

Country Link
US (1) US5077364A (es)
EP (1) EP0383724B2 (es)
JP (1) JP2964154B2 (es)
AU (1) AU629898B2 (es)
BR (1) BR9000641A (es)
CA (1) CA2009850C (es)
DE (1) DE59005850D1 (es)
ES (1) ES2055395T3 (es)
IL (1) IL93348A0 (es)
RU (1) RU1836389C (es)
SA (1) SA90100222B1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7110959B2 (en) * 1996-11-12 2006-09-19 Hahn-Carlson Dean W Processing and management of transaction timing characteristics
US6001940A (en) * 1997-03-18 1999-12-14 Rohm And Haas Company Process for preparing anhydride polymers
JP5686581B2 (ja) * 2010-11-18 2015-03-18 伯東株式会社 水処理剤及び水処理方法
RU2486139C2 (ru) * 2011-06-22 2013-06-27 Государственное образовательное учреждение высшего профессионального образования Уральский государственный лесотехнический университет Способ предотвращения солеотложений и коррозии в системах водоснабжения
CN106809963B (zh) * 2017-03-06 2020-09-22 王仲贤 无磷无钠锅炉水处理药剂

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3320216A (en) * 1959-04-03 1967-05-16 Peninsular Chem Res Inc Saturated linear copolymers
DE1227889B (de) * 1963-05-09 1966-11-03 Hoechst Ag Verfahren zur Herstellung von Telomeren des Maleinsaeureanhydrids
GB1193146A (en) * 1966-08-22 1970-05-28 Kao Corp Method of producing Polymaleic Anhydride
GB1369429A (en) * 1970-11-30 1974-10-09 Ciba Geigy Ag Treatment of water or aqueous systems
GB1411063A (en) * 1973-02-14 1975-10-22 Ciba Geigy Uk Ltd Polymerisation process
US4374733A (en) * 1981-04-01 1983-02-22 Betz Laboratories, Inc. Method for treating aqueous mediums
DE3631815A1 (de) * 1986-09-19 1988-03-31 Basf Ag Verfahren zur herstellung von polymaleinsaeure
DE3634956A1 (de) * 1986-10-14 1988-04-21 Huels Chemische Werke Ag Verfahren zur herstellung von polymaleinsaeureanhydridpulver

Also Published As

Publication number Publication date
AU4893590A (en) 1990-08-23
AU629898B2 (en) 1992-10-15
DE59005850D1 (de) 1994-07-07
RU1836389C (ru) 1993-08-23
EP0383724B1 (de) 1994-06-01
BR9000641A (pt) 1991-01-15
JPH02247206A (ja) 1990-10-03
US5077364A (en) 1991-12-31
CA2009850A1 (en) 1990-08-14
EP0383724A3 (en) 1990-12-19
CA2009850C (en) 2000-04-04
EP0383724B2 (de) 1999-03-17
IL93348A0 (en) 1990-11-29
SA90100222B1 (ar) 2004-02-15
JP2964154B2 (ja) 1999-10-18
EP0383724A2 (de) 1990-08-22

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