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:
Jun. 02, 1981
Filed:
Dec. 06, 1979
Applicant:
Inventors:
Hideaki Yukawa, Ami, JP;
Kazuoki Osumi, Ami, JP;
Terukatsu Nara, Ami, JP;
Yoshihiro Takayama, Ami, JP;
Assignee:
Mitsubishi Petrochemical Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C12P / ;
U.S. Cl.
CPC ...
435108 ; 435881 ; 435247 ;
Abstract
A process for preparing L-tryptophan by fermentation which comprises cultivating on a medium containing ethanol as the main carbon source a microorganism of the genus Serratia that utilizes ethanol and has the ability to produce L-tryptophan, and recovering the accumulated L-tryptophan from the culture.