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. 19, 1981
Filed:
Jul. 13, 1979
Applicant:
Inventors:
Nicholas S Bodor, Gainesville, FL (US);
Kenneth B Sloan, Eudora, KS (US);
Assignee:
INTERx Research Corporation, Lawrence, KS (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07J / ;
U.S. Cl.
CPC ...
2602395 ; 424241 ;
Abstract
Transient, orally active thiazolidine type prodrug forms of conventional, natural and synthetic ketosteroidal sex hormones, e.g., of progesterone, testosterone, and the like, are disclosed. The subject compounds can be prepared by known methods, for example, by reacting the corresponding 3-keto or 3,20-diketo steroids with a thiazolidine-forming reagent such as an L-cysteine alkyl ester.