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. 06, 1994
Filed:
Jul. 14, 1993
Applicant:
Inventor:
Teizi Urakami, Niigata, JP;
Assignee:
Mitsubishi Gas Chemical Co., Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P / ; C12P / ; C12N / ;
U.S. Cl.
CPC ...
435119 ; 435118 ; 435143 ; 4352521 ; 435822 ; 435824 ; 435874 ;
Abstract
Pyrrolo-quinoline quinone (PQQ) is microbiologically produced by culturing a bacterium in a medium containing methanol, methylamine or a mixture thereof as a carbon source and recovering PQQ from the culture medium. The bacteria are strains of Methylobacterium, Ancylobacter, Hyphomicrobium, Xanthobacter, Thiobacillus, Microcyclus and Achromobacter.