BR8109019A - Copolimeros hidrossoluveis estaveis face a acidos sua producao e aplicacao - Google Patents

Copolimeros hidrossoluveis estaveis face a acidos sua producao e aplicacao

Info

Publication number
BR8109019A
BR8109019A BR8109019A BR8109019A BR8109019A BR 8109019 A BR8109019 A BR 8109019A BR 8109019 A BR8109019 A BR 8109019A BR 8109019 A BR8109019 A BR 8109019A BR 8109019 A BR8109019 A BR 8109019A
Authority
BR
Brazil
Prior art keywords
copolimers
accidents
soluble
facing
production
Prior art date
Application number
BR8109019A
Other languages
English (en)
Inventor
Friedrich Dr Engelhardt
Klaus Dr Kohlein
Ulrich Riegel
Sigmar Von Dr Halasz
Jeffrey C Dawson
Anthony R Reed
Original Assignee
Cassella Ag
Esser Ind Inc
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
Application filed by Cassella Ag, Esser Ind Inc filed Critical Cassella Ag
Publication of BR8109019A publication Critical patent/BR8109019A/pt

Links

Classifications

    • 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
    • C08F220/52—Amides or imides
    • C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
    • C08F220/56—Acrylamide; Methacrylamide
    • 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
    • C08F226/00—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 single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
    • C09K8/588—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Lubricants (AREA)
BR8109019A 1980-12-15 1981-12-14 Copolimeros hidrossoluveis estaveis face a acidos sua producao e aplicacao BR8109019A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21667180A 1980-12-15 1980-12-15
PCT/EP1981/000192 WO1982002073A1 (en) 1980-12-15 1981-12-14 Copolymers soluble in an aqueous medium and stable in an acid medium,preparation and use thereof

Publications (1)

Publication Number Publication Date
BR8109019A true BR8109019A (pt) 1983-04-12

Family

ID=22808024

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8109019A BR8109019A (pt) 1980-12-15 1981-12-14 Copolimeros hidrossoluveis estaveis face a acidos sua producao e aplicacao

Country Status (9)

Country Link
EP (1) EP0078805B1 (pt)
JP (1) JPS57502072A (pt)
BR (1) BR8109019A (pt)
CA (1) CA1189649A (pt)
DD (2) DD207726A5 (pt)
GB (1) GB2102441B (pt)
IT (1) IT1194128B (pt)
NO (1) NO822764L (pt)
WO (1) WO1982002073A1 (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3326391A1 (de) * 1983-07-22 1985-01-31 Cassella Ag, 6000 Frankfurt Phosphonsaeuregruppen enthaltende polymerisate, ihre herstellung und ihre verwendung
EP0364399A3 (de) * 1988-10-03 1992-04-29 Ciba-Geigy Ag Wasserlösliche oder in Wasser dispergierbare Mischpolymerisate, deren Herstellung und Verwendung
DE4409903A1 (de) * 1994-03-23 1995-09-28 Basf Ag N-Vinyleinheiten enthaltende Pfropfpolymerisate, Verfahren zu ihrer Herstellung und ihre Verwendung
US5874660A (en) * 1995-10-04 1999-02-23 Exxon Production Research Company Method for inhibiting hydrate formation
US6028233A (en) * 1995-06-08 2000-02-22 Exxon Production Research Company Method for inhibiting hydrate formation
GB2301836B (en) * 1995-06-08 1997-05-07 Exxon Production Research Co A method for inhibiting hydrate formation
GB2301825A (en) * 1996-03-28 1996-12-18 Exxon Production Research Co A polymer for inhibiting hydrate formation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2931897A1 (de) * 1979-08-06 1981-02-26 Cassella Ag Wasserloesliches copolymerisat und seine herstellung
DE3027422A1 (de) * 1980-07-19 1982-02-25 Cassella Ag, 6000 Frankfurt Hochmolekulare wasserloesliche copolymerisate, ihre herstellung und verwendung

Also Published As

Publication number Publication date
GB2102441A (en) 1983-02-02
DD202303A5 (de) 1983-09-07
IT1194128B (it) 1988-09-14
DD207726A5 (de) 1984-03-14
GB2102441B (en) 1984-10-10
JPS57502072A (pt) 1982-11-18
EP0078805B1 (de) 1985-07-24
NO822764L (no) 1982-08-13
EP0078805A1 (de) 1983-05-18
CA1189649A (en) 1985-06-25
IT8125571A0 (it) 1981-12-14
WO1982002073A1 (en) 1982-06-24

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