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:
Nov. 13, 1984
Filed:
Oct. 20, 1982
Applicant:
Inventors:
Anna Boor, Budapest, HU;
Jozsef Toth, Budapest, HU;
Tamas Szen, Budapest, HU;
Laszlo Gabor, Budapest, HU;
Piroska Major nee Feistner, Budapest, HU;
Sandor Holly, Budapest, HU;
Assignee:
Richter Gedeon Vegyeszeti Gyar R.T., Budapest, HU;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07J / ;
U.S. Cl.
CPC ...
2603974 ;
Abstract
The invention relates to a novel process for the preparations of pregnane derivatives of formula I, ##STR1## wherein R.sup.1 stands for a methyl or an ethyl group,
Boor, Anna. (1984). Process for preparing 17.alpha.-hydroxy-pregn-4-en-3,20-dione (U.S. Patent No. 4482494). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4482494
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile