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. 11, 1983
Filed:
Apr. 02, 1982
Applicant:
Inventors:
Anna Boor nee Mezei, Budapest, HU;
Jozsef Toth, Budapest, HU;
Tamas Szen, Budapest, HU;
Laszlo Gabor, Budapest, HU;
Piroska Major nee Fastner, Budapest, HU;
Sandor Holly, Budapest, HU;
Assignee:
Richter Gedeon Vegyeszeti Gyar R.T., Budapest, HU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07J / ;
U.S. Cl.
CPC ...
2603974 ;
Abstract
The invention relates to a novel process for the preparation of pregnane derivatives of formula I, ##STR1## wherein R.sup.1 stands for a methyl or an ethyl group,
Boor nee Mezei, Anna. (1983). Process for preparing 17.alpha.-hydroxy-pregn-4-en-3,20-dione derivatives (U.S. Patent No. 4368160). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4368160
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile