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:
May. 06, 1980
Filed:
Oct. 12, 1978
Applicant:
Inventor:
Zdenek Valenta, Fredericton, CA;
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C07J / ;
U.S. Cl.
CPC ...
26039745 ; 2603974 ; 2603975 ; 568348 ; 568353 ; 568374 ;
Abstract
14.beta.-Hydroxyandrostanes and processes for the preparation thereof in which the 14.beta.-hydroxy group is fabricated internally by means of a novel cyclization of 8,14-seco-4,6,9(11)-androstatrien-3,14,17-triones is disclosed. The 14.beta.-hydroxyandrostanes are useful as precursors for the synthesis of cardenolides and related products.
Quick Actions:
Valenta, Zdenek. (1980). 14.beta.-hydroxyandrostanes (U.S. Patent No. 4201717). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4201717
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile