Patent · US Expired

Process for biochemical optical resolution of alpha-tocopheral

US4022664A · kind A · utility

4Cited by
4References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 13, 1975
Grant dateMay 10, 1977
Priority date
Expiry dateNov 13, 1995

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S435/939
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

Novel process for biochemical optical resolution of 2DL-racemic compound of .alpha.-tocopherol ester or substances which contain the same, using culture broth, whole cell, or culture filtrate, which are obtained by cultivating microorganisms which possess an ability for hydrolysis of said ester. Beneficial advantage of the process resides in its low cost, simplicity and high resolution ratio.

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