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. 03, 2006
Filed:
Apr. 30, 1998
Applicants:
Hiroaki Takayama, Kanagawa, JP;
Katsuhiro Konno, Kanagawa, JP;
Toshie Fujishima, Kanagawa, JP;
Inventors:
Assignee:
Teijin Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/59 (2006.01); C07C 401/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided are 1,25-dihydroxy-2-methylvitamin D3 derivatives expressed by the general formula (I),[wherein each of Rand Ris independently a hydrogen atom or a tri(Cto Calkyl)silyl group; herein configurations of asymmetric carbons at the 1-, 2- and 3-positions are each independently α-configuration or β-configuration] and their production methods. The compound is useful as a treating agent for osteoporosis, rickets, hyperthyroidism, etc.