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. 09, 1980
Filed:
Apr. 23, 1979
Applicant:
Inventors:
Merle G Wovcha, Kalamazoo, MI (US);
Frederick J Antosz, Kalamazoo, MI (US);
John M Beaton, Portage, MI (US);
Alfred B Garcia, Kalamazoo, MI (US);
Leo A Kominek, Portage, MI (US);
Assignee:
The Upjohn Company, Kalamazoo, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P / ;
U.S. Cl.
CPC ...
435 56 ; 435 55 ;
Abstract
Valuable steroid intermediates, 9.alpha.-hydroxyandrost-4-ene-17.beta.-ol-3-one (9.alpha.-OH testosterone), 9.alpha.-hydroxy-3-ketobisnorchol-4-en-22-ol (9.alpha.-OH BN alcohol) and 9.alpha.-hydroxy-3-ketobisnorchol-4-en-22-oic methyl ester (9.alpha.-OH BN acid methyl ester), prepared by microbiological conversion of steroids having 17-alkyl side chains of 8 to 10 carbons.
Wovcha, Merle. (1980). Process for preparing 9.alpha.-oh testosterone (U.S. Patent No. 4221868). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4221868
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile