BR8806078A - Processo para aperfeicoar filtrabilidade de particulas de polivinil polilactama,processos para purificacao de liquido e processo para filtragem de bebida - Google Patents

Processo para aperfeicoar filtrabilidade de particulas de polivinil polilactama,processos para purificacao de liquido e processo para filtragem de bebida

Info

Publication number
BR8806078A
BR8806078A BR888806078A BR8806078A BR8806078A BR 8806078 A BR8806078 A BR 8806078A BR 888806078 A BR888806078 A BR 888806078A BR 8806078 A BR8806078 A BR 8806078A BR 8806078 A BR8806078 A BR 8806078A
Authority
BR
Brazil
Prior art keywords
filtrrability
polylactam
polyvinyl
purification
particles
Prior art date
Application number
BR888806078A
Other languages
English (en)
Inventor
Terry E Smith
John D Polesko
Ian W Cottrell
Original Assignee
Gaf Corp
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 Gaf Corp filed Critical Gaf Corp
Publication of BR8806078A publication Critical patent/BR8806078A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L39/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions of derivatives of such polymers
    • C08L39/04—Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member
    • C08L39/06—Homopolymers or copolymers of N-vinyl-pyrrolidones
    • 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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/008—Treatment of solid polymer wetted by water or organic solvents, e.g. coagulum, filter cakes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
BR888806078A 1987-03-09 1988-02-11 Processo para aperfeicoar filtrabilidade de particulas de polivinil polilactama,processos para purificacao de liquido e processo para filtragem de bebida BR8806078A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/023,318 US4764588A (en) 1987-03-09 1987-03-09 Insoluble vinyl lactam clarifiers
PCT/US1988/000432 WO1988007061A1 (en) 1987-03-09 1988-02-11 Improved insoluble vinyl lactam clarifiers

Publications (1)

Publication Number Publication Date
BR8806078A true BR8806078A (pt) 1989-10-17

Family

ID=21814392

Family Applications (1)

Application Number Title Priority Date Filing Date
BR888806078A BR8806078A (pt) 1987-03-09 1988-02-11 Processo para aperfeicoar filtrabilidade de particulas de polivinil polilactama,processos para purificacao de liquido e processo para filtragem de bebida

Country Status (7)

Country Link
US (1) US4764588A (pt)
EP (1) EP0305447A4 (pt)
JP (1) JPH01502989A (pt)
AU (1) AU596509B2 (pt)
BR (1) BR8806078A (pt)
CA (1) CA1296476C (pt)
WO (1) WO1988007061A1 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5262053A (en) * 1988-07-15 1993-11-16 Filtrox-Werk Ag Filtration process, use of stabilizers installation for a filtration process, and procedure for operating said installation
DE4000978A1 (de) * 1990-01-16 1991-07-18 Basf Ag Verfahren zur entfernung von schwermetallionen aus wein und weinaehnlichen getraenken
DE10108386A1 (de) * 2001-02-21 2002-08-29 Basf Ag Teilchenförmige Polymerisate als Filterhilfsmittel
ATE485243T1 (de) * 2006-02-24 2010-11-15 Isp Investments Inc Verwendung von pvpp zur entfernung von schadstoffen aus wasser eines erdöl- oder erdgasbohrloches

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2914516A (en) * 1956-05-07 1959-11-24 Gen Aniline & Film Corp Purification of polyvinylpyrrolidone
US3072615A (en) * 1958-02-03 1963-01-08 Minnesota Mining & Mfg Polypyrrolidone stabilization
DE2242641C3 (de) * 1972-08-30 1980-06-19 Basf Ag, 6700 Ludwigshafen Verfahren zum kontinuierlichen Extrahieren von Polylactamen
US4180633A (en) * 1977-06-24 1979-12-25 Gaf Corporation Preparation of insoluble polyvinylpyrrolidone
DE2942657A1 (de) * 1979-10-22 1981-04-30 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von polyvinylpyrrolidon, dessen waessrige loesung eine hohe viskositaet aufweist, durch waermebehandlung von waessrigen loesungen von ueblichem polyvinylpyrrolidon

Also Published As

Publication number Publication date
EP0305447A1 (en) 1989-03-08
AU1392488A (en) 1988-10-10
WO1988007061A1 (en) 1988-09-22
EP0305447A4 (en) 1991-03-13
JPH01502989A (ja) 1989-10-12
CA1296476C (en) 1992-02-25
US4764588A (en) 1988-08-16
AU596509B2 (en) 1990-05-03

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Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FA8 Dismissal: dismissal - article 36, par. 1 of industrial property law
B15K Others concerning applications: alteration of classification

Ipc: C08L 39/06 (2006.01), C08F 6/00 (2006.0