NL251258A - - Google Patents

Info

Publication number
NL251258A
NL251258A NL251258DA NL251258A NL 251258 A NL251258 A NL 251258A NL 251258D A NL251258D A NL 251258DA NL 251258 A NL251258 A NL 251258A
Authority
NL
Netherlands
Application number
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.)
Publication of NL251258A publication Critical patent/NL251258A/xx

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
    • C08F20/00—Homopolymers and 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
    • C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
    • C08F20/52—Amides or imides
    • C08F20/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
    • C08F20/56—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
    • C08F8/00—Chemical modification by after-treatment
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
NL251258D 1959-05-06 NL251258A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US811272A US3022279A (en) 1959-05-06 1959-05-06 Process for making hydrolyzed polyacrylamide

Publications (1)

Publication Number Publication Date
NL251258A true NL251258A (xx)

Family

ID=25206079

Family Applications (2)

Application Number Title Priority Date Filing Date
NL123954D NL123954C (xx) 1959-05-06
NL251258D NL251258A (xx) 1959-05-06

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL123954D NL123954C (xx) 1959-05-06

Country Status (6)

Country Link
US (1) US3022279A (xx)
BE (1) BE589293A (xx)
DE (1) DE1243391B (xx)
GB (1) GB903368A (xx)
LU (1) LU38472A1 (xx)
NL (2) NL251258A (xx)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3285886A (en) * 1961-07-17 1966-11-15 Grace W R & Co Threshold treatment of water with water dispersible complexing polymers
US3247171A (en) * 1963-04-08 1966-04-19 Dow Chemical Co Process for hydrolyzing a cross-linked acrylamide polymer and the product thereby
US3414552A (en) * 1964-06-29 1968-12-03 American Cyanamid Co Simultaneous hydrolysis and polymerization of acrylamides
US3463730A (en) * 1965-08-05 1969-08-26 American Cyanamid Co Prevention of and removal of scale formation in water systems
US4151140A (en) * 1977-11-02 1979-04-24 The Dow Chemical Company Process for hydrolyzing water-soluble carboxamide polymers
US4508858A (en) * 1983-02-16 1985-04-02 Marathon Oil Company Apparatus and method for preparing polymer solutions
US5266367A (en) * 1990-02-02 1993-11-30 Miura Dolphins Co., Ltd. Artificial snow granule
FR2700771B1 (fr) * 1993-01-28 1995-03-17 Snf Sa Procédé perfectionné pour polymériser l'acrylamide en milieu aqueux.
US6464148B1 (en) 1999-05-03 2002-10-15 Aquatrols Holding Co., Inc. Snowmaking process
US7226432B2 (en) 2004-05-03 2007-06-05 Clear View Patient Safety Products, Llc Blood drawing device
FR2965564B1 (fr) 2010-09-30 2012-10-26 Rhodia Operations Preparation de polymeres hydrophiles de haute masse par polymerisation radicalaire controlee
CN103788268B (zh) * 2013-04-07 2016-03-16 山东同力化工有限公司 水解剂螺旋喷雾法制备超高分子量聚丙烯酰胺的工艺
CN115353585B (zh) * 2022-09-26 2023-10-27 河南金马石油科技有限责任公司 一种钻井液用聚丙烯酰胺钾盐包被抑制剂的制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2625537A (en) * 1947-06-02 1953-01-13 Phillips Petroleum Co Diazothioethers in emulsion polymerization
US2820777A (en) * 1954-04-29 1958-01-21 American Cyanamid Co Process of preparing polyacrylamide
US2878237A (en) * 1955-06-15 1959-03-17 American Cyanamid Co Mercapto dibasic acids as regulators for the polymerization of acrylic acids, amidesand salts

Also Published As

Publication number Publication date
NL123954C (xx)
DE1243391B (de) 1967-06-29
LU38472A1 (xx)
US3022279A (en) 1962-02-20
GB903368A (en) 1962-08-15
BE589293A (xx)

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