GB1399129A - Terpolymers - Google Patents
TerpolymersInfo
- Publication number
- GB1399129A GB1399129A GB4442072A GB4442072A GB1399129A GB 1399129 A GB1399129 A GB 1399129A GB 4442072 A GB4442072 A GB 4442072A GB 4442072 A GB4442072 A GB 4442072A GB 1399129 A GB1399129 A GB 1399129A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acrylamide
- dimethylamino
- methyl
- terpolymers
- water
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US19040471A | 1971-10-18 | 1971-10-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1399129A true GB1399129A (en) | 1975-06-25 |
Family
ID=22701207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4442072A Expired GB1399129A (en) | 1971-10-18 | 1972-09-26 | Terpolymers |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5128270B2 (fr) |
BE (1) | BE790187A (fr) |
CA (1) | CA984544A (fr) |
DE (1) | DE2249925A1 (fr) |
GB (1) | GB1399129A (fr) |
IL (1) | IL40489A (fr) |
NL (1) | NL7214072A (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4396752A (en) | 1977-05-16 | 1983-08-02 | Societe Francaise Hoechst | Strong cationic polyelectrolytes in powder form based on acrylamide and quaternized or salified dimethylaminoethyl acrylate for flocculation of solid material suspensions and coalescence of emulsions |
EP0165770A2 (fr) * | 1984-06-12 | 1985-12-27 | Ciba Specialty Chemicals Water Treatments Limited | Polyélectrolytes cationiques et leur préparation |
WO1989002417A1 (fr) * | 1987-09-10 | 1989-03-23 | Chemisolv Limited | Ameliorations relatives au traitement d'effluents |
-
0
- BE BE790187D patent/BE790187A/fr unknown
-
1972
- 1972-09-26 GB GB4442072A patent/GB1399129A/en not_active Expired
- 1972-10-02 CA CA153,036A patent/CA984544A/en not_active Expired
- 1972-10-03 IL IL40489A patent/IL40489A/en unknown
- 1972-10-12 DE DE2249925A patent/DE2249925A1/de active Pending
- 1972-10-17 JP JP47103285A patent/JPS5128270B2/ja not_active Expired
- 1972-10-18 NL NL7214072A patent/NL7214072A/xx unknown
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4396752A (en) | 1977-05-16 | 1983-08-02 | Societe Francaise Hoechst | Strong cationic polyelectrolytes in powder form based on acrylamide and quaternized or salified dimethylaminoethyl acrylate for flocculation of solid material suspensions and coalescence of emulsions |
EP0165770A2 (fr) * | 1984-06-12 | 1985-12-27 | Ciba Specialty Chemicals Water Treatments Limited | Polyélectrolytes cationiques et leur préparation |
EP0165770A3 (en) * | 1984-06-12 | 1987-03-04 | Allied Colloids Limited | Cationic polyelectrolytes and their production |
WO1989002417A1 (fr) * | 1987-09-10 | 1989-03-23 | Chemisolv Limited | Ameliorations relatives au traitement d'effluents |
Also Published As
Publication number | Publication date |
---|---|
DE2249925A1 (de) | 1973-04-26 |
JPS5128270B2 (fr) | 1976-08-18 |
BE790187A (fr) | 1973-02-15 |
IL40489A (en) | 1976-03-31 |
CA984544A (en) | 1976-02-24 |
JPS4849687A (fr) | 1973-07-13 |
NL7214072A (fr) | 1973-04-24 |
IL40489A0 (en) | 1972-12-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |