Patent · US Expired

Amorphous sulfopolyesters

US4480085A · kind A · utility

36Cited by
2References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 30, 1983
Grant dateOct 30, 1984
Priority date—
Expiry dateSep 30, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G63/688
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Amorphous sulfopolyesters which are the esterification product of glycols and dicarboxylic acids and, optionally, hydroxycarboxylic acids, of which at least about 35 mole percent are ortho-dicarboxylic acids.

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