Patent · US Expired

Process for the preparation of unsaturated ethers

US4263462A · kind A · utility

4Cited by
2References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 7, 1979
Grant dateApr 21, 1981
Priority date
Expiry dateNov 7, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C41/16
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Unsaturated ethers of diphenols are prepared from alkenyl halides and diphenols as reagents and by carrying out the reaction in two zones at different temperatures. Intermediates for perfumes, aromas and insecticides are so prepared.

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