Patent · US Expired

Preparation method for 2-coumaranone

US5616733A · kind A · utility

1Cited by
0References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 7, 1995
Grant dateApr 1, 1997
Priority date
Expiry dateJun 7, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/582
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Preparation process for 2-coumaranone in which glyoxylic acid, in vapor phase, is reacted with cyclohexanone, in the presence of a dehydrogenation catalyst.

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