Patent · US Expired

Method of preparing di(ketene acetals)

US6863782B2 · kind B2 · utility

11Cited by
3References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 15, 2002
Grant dateMar 8, 2005
Priority date—
Expiry dateAug 6, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D319/06
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Di(ketene acetals) are prepared by photoisomerizing the corresponding di(vinyl acetals).

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