Patent · US Expired

Preparation of tetrahydroisohumulones

US5523489A · kind A · utility

12Cited by
5References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 7, 1995
Grant dateJun 4, 1996
Priority date
Expiry dateFeb 7, 2015

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC12C9/025
  • WIPO fieldFood chemistry
  • WIPO sectorChemistry

Abstract

Tetrahydroisohumulones are prepared from isohumulones by hydrogenating the isohumulones in a reaction solvent of ethanol containing up to about 15% water in the presence of about 1 to about 40 psig of hydrogen and a hydrogenation catalyst to form tetrahydroisohumulones.

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