BE589293A - - Google Patents
Info
- Publication number
- BE589293A BE589293A BE589293DA BE589293A BE 589293 A BE589293 A BE 589293A BE 589293D A BE589293D A BE 589293DA BE 589293 A BE589293 A BE 589293A
- Authority
- BE
- Belgium
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)
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 |
|---|---|
| BE589293A true BE589293A (de) |
Family
ID=25206079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE589293D BE589293A (de) | 1959-05-06 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3022279A (de) |
| BE (1) | BE589293A (de) |
| DE (1) | DE1243391B (de) |
| GB (1) | GB903368A (de) |
| LU (1) | LU38472A1 (de) |
| NL (2) | NL251258A (de) |
Families Citing this family (13)
| 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. |
| AU4981600A (en) | 1999-05-03 | 2000-11-17 | Aquatrols Corporation Of America 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)
| 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 |
-
0
- NL NL123954D patent/NL123954C/xx active
- LU LU38472D patent/LU38472A1/xx unknown
- BE BE589293D patent/BE589293A/xx unknown
- NL NL251258D patent/NL251258A/xx unknown
-
1959
- 1959-05-06 US US811272A patent/US3022279A/en not_active Expired - Lifetime
-
1960
- 1960-03-30 DE DED32998A patent/DE1243391B/de active Pending
- 1960-04-04 GB GB11858/60A patent/GB903368A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3022279A (en) | 1962-02-20 |
| DE1243391B (de) | 1967-06-29 |
| NL251258A (de) | |
| LU38472A1 (de) | |
| GB903368A (en) | 1962-08-15 |
| NL123954C (de) |