Patent · US Expired

Polymeric hydroquinone antioxidant

US4098829A · kind A · utility

35Cited by
5References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 19, 1977
Grant dateJul 4, 1978
Priority date—
Expiry dateMay 19, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11B5/0035
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Polymeric hydroquinones of the structure ##STR1## WHEREIN N IS FROM 3 TO 10,000 INCLUSIVE AND R and R' independently are hydrogen or a lower alkyl, are disclosed, as is the preparation and the use of such materials, especially as nonabsorbable polymeric antioxidants for edible materials.

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