Patent · US Expired

Polyketone solvents

US5977231A · kind A · utility

3Cited by
11References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 18, 1998
Grant dateNov 2, 1999
Priority date
Expiry dateAug 18, 2018

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G67/02
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A polyketone solution is prepared by the dissolution of alternating aliphatic polyketone in a solution of LiX. X can be I, Br, or SCN. At a given temperature, these solvents completely dissolve polyketone when aqueous or organic solutions are made from particular concentrations.

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