The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 07, 1990
Filed:
May. 04, 1989
Applicant:
Inventors:
Masamichi Hashimoto, Tokyo, JP;
Haruhisa Saegusa, Yokohama, JP;
Susumu Chiba, Machida, JP;
Hironoshin Kitagawa, Machida, JP;
Teruzo Miyoshi, Yokohama, JP;
Assignee:
Denkl Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P / ; C12R / ;
U.S. Cl.
CPC ...
435101 ; 435885 ;
Abstract
A method for producing sodium hyaluronate by a fermentation method comprises culturing a mutant strain FM 100 derived from Streptococcus equi and partially free from auxotrophy to thereby stably produce sodium hyaluronate and accumulating the hyaluronate. A method for producing sodium hyaluronate by a fermentation method comprises culturing a mutant strain FM 300 derived from Streptococcus equi and partially free from auxotophy to thereby stably produce sodium hyaluronate and accumulating the hyaluronate.