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:
Mar. 24, 1992
Filed:
May. 25, 1989
Applicant:
Inventors:
Katsushige Yamada, Aichi, JP;
Hiromi Tsutsui, Aichi, JP;
Kyousuke Yotsumoto, Aichi, JP;
Makoto Shirai, Aichi, JP;
Assignee:
Toray Industries, Inc., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P / ; C12N / ; C12N / ; C12N / ;
U.S. Cl.
CPC ...
435115 ; 4351721 ; 435873 ; 435822 ; 4352521 ;
Abstract
Microorganisms belonging to the genus Providencia the species rettgeri at least leucine for the growth thereof, produce L-threonine by fermentation in higher yield and with increased amount of L-threonine accumulated.