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:
Sep. 16, 1997
Filed:
Jul. 26, 1995
Applicant:
Inventors:
Shunichiro Minagawa, Niigata, JP;
Shigeki Imagawa, Niigata, JP;
Iwao Terao, Niigata, JP;
Torakazu Tahara, Niigata, JP;
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P / ; C12P / ; C12P / ;
U.S. Cl.
CPC ...
435146 ; 435132 ; 435141 ; 435143 ; 435144 ; 435145 ; 435170 ; 435155 ; 435142 ; 435136 ;
Abstract
Disclosed is a process for accumulating a poly-3-hydroxy butyric acid in bacterial cells by continuously fermenting a methanol-assimilating bacterium having a capability of producing a poly-3-hydroxy butyric acid, in a single fermentation vessel by using methanol as carbon source at a limited feeding rate of nitrogen, phosphorus, or potassium such that the retention time for the fermentation is more than 10 hours.