Patent · US Expired

Fermentation method for producing hyaluronic acid

US4801539A · kind A · utility

70Cited by
1References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 9, 1985
Grant dateJan 31, 1989
Priority date
Expiry dateMay 9, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S435/885
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

Streptolysin-free hyaluronic acid is produced by cultivating a microorganism belonging to a genus Steptococcus which is anhemolytic and is capable of producing hyaluronic acid (e.g., Streptococcus zooepidemicus FERM BP-784) in a culture medium.

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