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. 22, 1980
Filed:
Jul. 18, 1978
Richard W Draper, North Caldwell, NJ (US);
Michael J Green, Kendall Park, NJ (US);
Charles J Casmer, Rahway, NJ (US);
Schering Corporation, Kenilworth, NJ (US);
Abstract
1,3,5(10),6,8-19-Nor-pregnapentaene-20-ones exhibit anti-mitotic activity with minimal or no hormonal activity. They are particularly useful in the treatment and control of psoriasis when applied topically, preferred anti-psoriatic compounds being 1,3,5(10),6,8-19-nor-pregnapentaene-3,17.alpha.,21-triol-20-one 21-acetate and the 16.alpha.-methyl and 16.beta.-methyl analogs thereof. The 1,3,5(10),6,8-19-nor-pregnapentaene-20-ones are also useful as intermediates in the preparation of the corresponding 14-dehydro compounds which also exhibit anti-mitotic activity as described and claimed in copending application Ser. No. 819,182 filed July 26, 1977 of Richard W. Draper and Charles J. Casmer of common assignee as this application, and now abandoned.