Patent · US Expired

Base hydrolysis of pendant amide polymers

US4393174A · kind A · utility

17Cited by
7References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 9, 1981
Grant dateJul 12, 1983
Priority date—
Expiry dateNov 9, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F8/12
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Pendant amide polymers, especially polymers containing N-vinylacetamide, N-alkyl-N-vinylacetamide, or N-vinyl-formamide units, are hydrolyzed to pendant amine polymers, especially vinylamine polymers by contact with strong aqueous base at elevated temperature.

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