Patent · US Expired

Bisphenol ester derivatives

US5602196A · kind A · utility

5Cited by
4References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 27, 1995
Grant dateFeb 11, 1997
Priority date
Expiry dateNov 27, 2015

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2601/14
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Stabilisers of formula I ##STR1## wherein R.sub.1 and R.sub.2 may be C.sub.1 -C.sub.5 alkyl, the substituents R.sub.3 to R.sub.8 may be hydrogen, the variable n may be 1 or 2, and, when n is 1, A may be an alkoxy radical, and, when n is 2, A may be a diamine radical.

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