FR2197895B1 - - Google Patents

Info

Publication number
FR2197895B1
FR2197895B1 FR7230984A FR7230984A FR2197895B1 FR 2197895 B1 FR2197895 B1 FR 2197895B1 FR 7230984 A FR7230984 A FR 7230984A FR 7230984 A FR7230984 A FR 7230984A FR 2197895 B1 FR2197895 B1 FR 2197895B1
Authority
FR
France
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
Application number
FR7230984A
Other languages
French (fr)
Other versions
FR2197895A1 (en
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to GB4048972A priority Critical patent/GB1368670A/en
Priority to FR7230984A priority patent/FR2197895B1/fr
Priority to DE19722243155 priority patent/DE2243155C3/en
Publication of FR2197895A1 publication Critical patent/FR2197895A1/fr
Application granted granted Critical
Publication of FR2197895B1 publication Critical patent/FR2197895B1/fr
Expired legal-status Critical Current

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)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
FR7230984A 1972-08-31 1972-08-31 Expired FR2197895B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB4048972A GB1368670A (en) 1972-08-31 1972-08-31 Process for producing acrylamide polymers
FR7230984A FR2197895B1 (en) 1972-08-31 1972-08-31
DE19722243155 DE2243155C3 (en) 1972-08-31 1972-09-01 Process for the production of acrylamide polymers and their use as flocculants

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB4048972A GB1368670A (en) 1972-08-31 1972-08-31 Process for producing acrylamide polymers
FR7230984A FR2197895B1 (en) 1972-08-31 1972-08-31
DE19722243155 DE2243155C3 (en) 1972-08-31 1972-09-01 Process for the production of acrylamide polymers and their use as flocculants

Publications (2)

Publication Number Publication Date
FR2197895A1 FR2197895A1 (en) 1974-03-29
FR2197895B1 true FR2197895B1 (en) 1975-03-07

Family

ID=27184682

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7230984A Expired FR2197895B1 (en) 1972-08-31 1972-08-31

Country Status (3)

Country Link
DE (1) DE2243155C3 (en)
FR (1) FR2197895B1 (en)
GB (1) GB1368670A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4138446A (en) 1974-12-19 1979-02-06 Sumitomo Chemical Company, Limited Water-soluble high polymers and their preparation
GB1510689A (en) 1974-12-19 1978-05-10 Sumitomo Chemical Co Preparation of water-soluble cationic high polymer
JPS55721A (en) * 1978-06-19 1980-01-07 Showa Denko Kk Aqueous dispersion of water-soluble high polymer complex
US5213893A (en) * 1990-09-14 1993-05-25 Nippon Shokubai Co., Ltd. Waterproofing agent for cable
CN115626716A (en) * 2022-10-26 2023-01-20 广州维特利科技有限公司 High-activity microbial sewage treatment agent and preparation method thereof
CN115594439A (en) * 2022-10-31 2023-01-13 河海大学（Cn） Concrete composite additive and preparation method and application thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH47A (en) * 1888-12-31 Georg Winkler Friedrich Sifting machine

Also Published As

Publication number Publication date
DE2243155B2 (en) 1974-09-19
DE2243155C3 (en) 1980-04-24
GB1368670A (en) 1974-10-02
FR2197895A1 (en) 1974-03-29
DE2243155A1 (en) 1974-03-28

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Legal Events

Date Code Title Description
ST Notification of lapse