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:
Jul. 01, 1997
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Katsuhisa Kojiri, Tsukuba, JP;
Hajime Suzuki, Tsukuba, JP;
Hisao Kondo, Tsukuba, JP;
Hiroyuki Suda, Tsukuba, JP;
Assignee:
Banyu Pharmaceutical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P / ; C12N / ;
U.S. Cl.
CPC ...
435 85 ; 435121 ; 435119 ; 4352521 ;
Abstract
Indolopyrrolocarbazole derivatives, such as, for example, 12,13-dihydro-1,11-dihydroxy-13-(.beta.-D-glucopyranosyl)-5H-indolo[2,3-a] pyrrolo[3,4-c]carbazole-5,7-(6H)-dione or 6-amino derivative thereof, are produced by glycosylating a precursor compound by cultivating with Microtetraspora sp. A34549, Saccharothrix aerocolonigenes ATCC 39243 or mutants thereof, in a nutrient medium containing the precursor compound.