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:
Jan. 31, 1984
Filed:
May. 11, 1981
Applicant:
Inventors:
Merle G Wovcha, Kalamazoo, MI (US);
John C Knight, Kalamazoo, MI (US);
Alfred B Garcia, Kalamazoo, MI (US);
Assignee:
The Upjohn Company, Kalamazoo, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N / ;
U.S. Cl.
CPC ...
435 58 ; 435253 ; 435865 ;
Abstract
The subject invention concerns a novel one-stage fermentation process for making the useful steroid intermediate 9-hydroxy-3-oxo-4,17(20)-pregnadiene-20-carboxylic acid (I). This process is significantly superior to the best prior art process known for making (I).