Patent · US Expired

Production of L(+)-tartaric acid

US4013509A · kind A · utility

1Cited by
0References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 19, 1976
Grant dateMar 22, 1977
Priority date
Expiry dateJan 19, 1996

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S435/878
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Calcium cis-epoxysuccinate is converted into calcium L(+)-tartarate by a microorganism in a high concentration and is a better yield. This process is accelerated in the presence of a nonionic type surfactant of the medium.

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