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. 01, 1983
Filed:
May. 17, 1982
Applicant:
Inventors:
Jerry A Walker, Oshtemo Township, Kalamazoo County, MI (US);
Edward J Hessler, Kalamazoo, MI (US);
Assignee:
The Upjohn Company, Kalamazoo, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07J / ;
U.S. Cl.
CPC ...
26039745 ; 2602395 ; 2603975 ;
Abstract
Disclosed is a 20,21-dihalo steroid (VII) and a steroidal sulfoxide (VIII) as well as processes to produce them. The 20,21-dihalo steroid (VII) and sulfoxide (VIII) are intermediates useful in the preparation of pharmaceutically useful corticoids.
Walker, Jerry. (1983). Preparation of corticoids from 17-keto steroids (U.S. Patent No. 4412955). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4412955
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile