Patent · US Expired

Preparation of 13-cis retinoic acid

US4556518A · kind A · utility

7Cited by
1References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 16, 1984
Grant dateDec 3, 1985
Priority date
Expiry dateJul 16, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2601/16
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A new process for producing 13-cis retinoic acid in high yields from the reaction product of a butenolide and a Wittig salt.

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