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. 18, 2006
Filed:
Mar. 12, 2002
Applicants:
Helmut Blum, Düsseldorf, DE;
Wolfgang Greb, Düsseldorf, DE;
Yurii Pustovit, Kyiv, UA;
Gerd-volker Röschenthaler, Bremen, DE;
Inventors:
Helmut Blum, Düsseldorf, DE;
Wolfgang Greb, Düsseldorf, DE;
Yurii Pustovit, Kyiv, UA;
Gerd-Volker Röschenthaler, Bremen, DE;
Assignee:
EUCRO European Contract Research GmbH & Co. KG, Neuss, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 31/66 (2006.01); C07F 9/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a method for preparing 1-hydroxy-1,1-diphosphonic acid compounds of the general formula I and/or of their pharmacologically compatible salts a compound of the formula II is reacted with a compound P(OSiR)Rand the reaction product is hydrolyzed.