Patent · US Expired

Process for forming a fluorinated copolymer

US5135998A · kind A · utility

20Cited by
4References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 5, 1991
Grant dateAug 4, 1992
Priority date
Expiry dateJul 5, 2011

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F2810/50
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A process of preparing a copolymer of a vinyl monomer such as vinyl acetate, vinyl propionate and vinyl trifluoroacetate, and of fluorinated monomer such as tetrafluoroethylene and trifluoroethylene, said copolymer having an alternating or substantially alternating distributing of vinyl recurring monomeric units and fluorinated recurring monomeric units in the copolymers backbone which comprises copolymerizing said monomers in a reaction medium of a chlorocarbon, a fluorocarbon a chlorofluorocarbon or a mixture thereof.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.