HK1019070A1 - Process for producing water-soluble anionic dispersion polymers - Google Patents

Process for producing water-soluble anionic dispersion polymers

Info

Publication number
HK1019070A1
HK1019070A1 HK99104124A HK99104124A HK1019070A1 HK 1019070 A1 HK1019070 A1 HK 1019070A1 HK 99104124 A HK99104124 A HK 99104124A HK 99104124 A HK99104124 A HK 99104124A HK 1019070 A1 HK1019070 A1 HK 1019070A1
Authority
HK
Hong Kong
Prior art keywords
producing water
soluble anionic
dispersion polymers
anionic dispersion
polymers
Prior art date
Application number
HK99104124A
Other languages
English (en)
Inventor
John R Hurlock
Radhakrishnan Selvarajan
Original Assignee
Nalco Chemical 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27088647&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1019070(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US08/620,051 external-priority patent/US5605970A/en
Application filed by Nalco Chemical Co filed Critical Nalco Chemical Co
Publication of HK1019070A1 publication Critical patent/HK1019070A1/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
    • C08F2/00—Processes of polymerisation
    • C08F2/04—Polymerisation in solution
    • C08F2/10—Aqueous solvent
    • 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
    • C02F1/56—Macromolecular compounds
    • 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
    • C08F220/00—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
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/04—Acids; Metal salts or ammonium salts thereof
    • C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
    • 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
    • C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
    • C08F265/02—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of acids, salts or anhydrides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/35—Composite foams, i.e. continuous macromolecular foams containing discontinuous cellular particles or fragments
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Paper (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Polymerisation Methods In General (AREA)
HK99104124A 1996-03-20 1999-09-23 Process for producing water-soluble anionic dispersion polymers HK1019070A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/620,051 US5605970A (en) 1996-03-20 1996-03-20 Synthesis of high molecular weight anionic dispersion polymers
US08/781,646 US5837776A (en) 1996-03-20 1997-01-10 Process for producing water soluble anionic dispersion polymers
PCT/US1997/004275 WO1997034933A1 (en) 1996-03-20 1997-03-19 Process for producing water-soluble anionic dispersion polymers

Publications (1)

Publication Number Publication Date
HK1019070A1 true HK1019070A1 (en) 2000-01-21

Family

ID=27088647

Family Applications (1)

Application Number Title Priority Date Filing Date
HK99104124A HK1019070A1 (en) 1996-03-20 1999-09-23 Process for producing water-soluble anionic dispersion polymers

Country Status (19)

Country Link
US (1) US5837776A (xx)
EP (1) EP0888387B1 (xx)
JP (1) JP3767907B2 (xx)
KR (1) KR100475829B1 (xx)
CN (1) CN1131243C (xx)
AT (1) ATE206438T1 (xx)
AU (1) AU749602B2 (xx)
BR (1) BR9708229A (xx)
CA (1) CA2267360C (xx)
DE (1) DE69707115T2 (xx)
DK (1) DK0888387T3 (xx)
ES (1) ES2165043T3 (xx)
HK (1) HK1019070A1 (xx)
IN (1) IN190229B (xx)
MY (1) MY128975A (xx)
NO (1) NO984328L (xx)
NZ (1) NZ331797A (xx)
RU (1) RU2218355C2 (xx)
WO (1) WO1997034933A1 (xx)

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US6217778B1 (en) * 1999-09-08 2001-04-17 Nalco Chemical Company Anionic and nonionic dispersion polymers for clarification and dewatering
US6265477B1 (en) * 1999-09-08 2001-07-24 Nalco Chemical Company Aqueous dispersion of a particulate high molecular weight anionic or nonionic polymer
US6331229B1 (en) * 1999-09-08 2001-12-18 Nalco Chemical Company Method of increasing retention and drainage in papermaking using high molecular weight water-soluble anionic or monionic dispersion polymers
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Also Published As

Publication number Publication date
WO1997034933A1 (en) 1997-09-25
ES2165043T3 (es) 2002-03-01
US5837776A (en) 1998-11-17
CA2267360C (en) 2006-10-10
EP0888387B1 (en) 2001-10-04
DE69707115D1 (de) 2001-11-08
AU749602B2 (en) 2002-06-27
EP0888387A1 (en) 1999-01-07
NO984328D0 (no) 1998-09-17
JP2001508473A (ja) 2001-06-26
MY128975A (en) 2007-03-30
CN1131243C (zh) 2003-12-17
ATE206438T1 (de) 2001-10-15
AU2532997A (en) 1997-10-10
NZ331797A (en) 2000-01-28
DK0888387T3 (da) 2002-01-28
JP3767907B2 (ja) 2006-04-19
NO984328L (no) 1998-11-19
CN1214053A (zh) 1999-04-14
RU2218355C2 (ru) 2003-12-10
KR100475829B1 (ko) 2005-07-11
KR20000064703A (ko) 2000-11-06
CA2267360A1 (en) 1997-09-23
IN190229B (xx) 2003-07-05
BR9708229A (pt) 1999-08-03
DE69707115T2 (de) 2002-06-20

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Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20140319