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:
Apr. 30, 1996
Filed:
Sep. 09, 1994
Applicant:
Inventors:
Takashi Sohda, Takatsuki, JP;
Iwao Yamazaki, Takarazuka, JP;
Noriaki Kawamura, Suita, JP;
Shigehisa Taketomi, Ikeda, JP;
Assignee:
Takeda Chemical Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ; C07F / ; A61K / ;
U.S. Cl.
CPC ...
514102 ; 514103 ; 558158 ; 546 24 ; 548112 ; 548118 ;
Abstract
A bisphosphonic acid derivative of the general formula (I): ##STR1## wherein A is an optionally substituted cyclic group; R.sup.1 is hydrogen atom or a lower alkanoyl group; R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are the same or different and are hydrogen atom or a lower alkyl group; m is 0, 1 or 2; and n is an integer from 2 to 10, or a salt thereof is disclosed. A process for its production and a bone resorption inhibitor containing the compound of the general formula (I) or a salt thereof are also disclosed.