GB2262529B - A method for inhibiting hydrolysis of polyacrylamide - Google Patents

A method for inhibiting hydrolysis of polyacrylamide

Info

Publication number
GB2262529B
GB2262529B GB9300880A GB9300880A GB2262529B GB 2262529 B GB2262529 B GB 2262529B GB 9300880 A GB9300880 A GB 9300880A GB 9300880 A GB9300880 A GB 9300880A GB 2262529 B GB2262529 B GB 2262529B
Authority
GB
United Kingdom
Prior art keywords
polyacrylamide
inhibiting hydrolysis
hydrolysis
inhibiting
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 - Fee Related
Application number
GB9300880A
Other versions
GB2262529A (en
GB9300880D0 (en
Inventor
Jr James E Tackett
Wayne E Luetzelschwab
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.)
Marathon Oil Co
Original Assignee
Marathon Oil Co
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 Marathon Oil Co filed Critical Marathon Oil Co
Publication of GB9300880D0 publication Critical patent/GB9300880D0/en
Publication of GB2262529A publication Critical patent/GB2262529A/en
Application granted granted Critical
Publication of GB2262529B publication Critical patent/GB2262529B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/12—Hydrolysis
GB9300880A 1990-11-05 1993-01-18 A method for inhibiting hydrolysis of polyacrylamide Expired - Fee Related GB2262529B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US60949290A 1990-11-05 1990-11-05
PCT/US1991/004734 WO1992007881A1 (en) 1990-11-05 1991-07-03 A method for inhibiting hydrolysis of polyacrylamide

Publications (3)

Publication Number Publication Date
GB9300880D0 GB9300880D0 (en) 1993-03-31
GB2262529A GB2262529A (en) 1993-06-23
GB2262529B true GB2262529B (en) 1994-04-06

Family

ID=24441041

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9300880A Expired - Fee Related GB2262529B (en) 1990-11-05 1993-01-18 A method for inhibiting hydrolysis of polyacrylamide

Country Status (7)

Country Link
CN (1) CN1061226A (en)
AR (1) AR245150A1 (en)
AU (1) AU8845191A (en)
CA (1) CA2086597A1 (en)
GB (1) GB2262529B (en)
TN (1) TNSN91094A1 (en)
WO (1) WO1992007881A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1072617A1 (en) * 1999-07-30 2001-01-31 Universiteit van Utrecht Temperature sensitive polymers
US7425581B2 (en) 1999-07-30 2008-09-16 Universiteit Utrecht Temperature sensitive polymers

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2446257A1 (en) * 1973-09-29 1975-04-03 Nitto Chemical Industry Co Ltd PROCESS FOR THE PRODUCTION OF WATER-SOLUBLE HIGH MOLECULAR POLYACRYLAMIDE
JPS52137483A (en) * 1976-05-13 1977-11-16 Nitto Chem Ind Co Ltd Preparation of partially hydrolyzed polyacrylamide
JPS60108404A (en) * 1983-11-17 1985-06-13 Mitsubishi Chem Ind Ltd Manufacture of partially hydrolyzed acrylamide polymer
EP0176757A2 (en) * 1984-09-24 1986-04-09 Polypure Inc. Preparation of water soluble cationic polymer and product

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2446257A1 (en) * 1973-09-29 1975-04-03 Nitto Chemical Industry Co Ltd PROCESS FOR THE PRODUCTION OF WATER-SOLUBLE HIGH MOLECULAR POLYACRYLAMIDE
JPS52137483A (en) * 1976-05-13 1977-11-16 Nitto Chem Ind Co Ltd Preparation of partially hydrolyzed polyacrylamide
JPS60108404A (en) * 1983-11-17 1985-06-13 Mitsubishi Chem Ind Ltd Manufacture of partially hydrolyzed acrylamide polymer
EP0176757A2 (en) * 1984-09-24 1986-04-09 Polypure Inc. Preparation of water soluble cationic polymer and product

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
World Patent Index. Derwent Publ. Ltd., London, GB AN 78- 01037A, 16 November 1977 & JP A,52137483 *
World Patents Index Latest. Derwent Publ. Ltd., London GB;AN85-180724, 13 June 1985 & JP,A,60 108404 *

Also Published As

Publication number Publication date
CA2086597A1 (en) 1992-05-06
AR245150A1 (en) 1993-12-30
GB2262529A (en) 1993-06-23
GB9300880D0 (en) 1993-03-31
CN1061226A (en) 1992-05-20
WO1992007881A1 (en) 1992-05-14
AU8845191A (en) 1992-05-26
TNSN91094A1 (en) 1992-10-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950703