Patent · US Expired

Method for producing L(+)-tartaric acid

US4028185A · kind A · utility

2Cited by
0References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 6, 1976
Grant dateJun 7, 1977
Priority date
Expiry dateMay 6, 1996

Classification

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

Abstract

Calcium cis-epoxysuccinate whose average particle size is not larger than 100 micron is converted into calcium L(+)-tartarate by a microorganism in a high concentration and in 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.