Patent · US Expired

Benzotriazole compound and homopolymer or copolymers thereof

US4380643A · kind A · utility

30Cited by
3References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 24, 1981
Grant dateApr 19, 1983
Priority date—
Expiry dateAug 24, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D249/20
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A benzotriazole compound of the formula: ##STR1## wherein A is hydrogen or acetyl; R.sup.2 is a C.sub.1 -C.sub.4 alkyl group and n is 1 or 2.

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