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:
Oct. 01, 1991
Filed:
Feb. 27, 1990
Applicant:
Inventors:
Toshio Matsumoto, Tokyo, JP;
Yasuho Nishii, Tokyo, JP;
Assignee:
Chugai Seiyaku Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
514167 ;
Abstract
An osteogenesis promotion with use of a vitamin D derivative of the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3, which may be the same or different, each represents a hydrogen atom or a hydroxyl group; and R.sub.4 is a hydrogen atom or a lower alkyl group having 4-6 carbon atoms that may or may not be substituted by a hydroxyl group, are disclosed. A pharmaceutical composition comprising the above derivatives is useful as a therapeutic agent for osteoporosis.