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:
Jul. 30, 1991
Filed:
Nov. 22, 1989
Applicant:
Inventors:
Hector F DeLuca, Madison, WI (US);
Heinrich K Schnoes, Madison, WI (US);
Rafal R Sicinski, Warsaw, Pasteura 1, PL;
Yoko Tanaka, Delmar, NY (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07J / ;
U.S. Cl.
CPC ...
514167 ; 549453 ; 540116 ;
Abstract
The present invention provides novel derivatives of vitamin D.sub.2 and more specifically 1 alpha,25-dihydroxylated compounds of the vitamin D series. A process for the preparation of such derivatives is also provided as are certain intermediates in such process. The derivatives of this invention find ready application as substitutes for vitamin D.sub.3 or D.sub.2 or various of the known vitamin metabolites of these vitamins in their various applications to the correction of disorders involving calcium metabolism and associated bone disease.