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:
Aug. 15, 1995
Filed:
Apr. 13, 1994
Applicant:
Inventor:
Katsuhiro Yoshikawa, Kawagoe, JP;
Assignee:
Hoechst Japan Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07F / ; C07F / ;
U.S. Cl.
CPC ...
514 80 ; 514 89 ; 514 94 ; 546 22 ; 546 23 ; 548112 ; 548113 ; 548119 ;
Abstract
The heterocyclic iminobismethylenebisphosphonic acid derivatives of the general formula (I) ##STR1## wherein n is an integer of 0-5 and the group of the formula ##STR2## represents a 4-7 membered monocyclic or 7-11 membered condensed heterocyclic ring group which may be substituted by a halogen atom or a lower alkyl group and contains 1-2 nitrogen atoms their esters and salts thereof are described. The said compounds are useful as a bone resorption inhibitor, a dental calculus formation inhibitory agent or a polyvalent metal ion complex salt forming agent.