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:
May. 01, 1990
Filed:
Jun. 09, 1989
Applicant:
Inventors:
Gerard R Kieczykowski, Westfield, NJ (US);
David G Melillo, Scotch Plains, NJ (US);
Ronald B Jobson, East Brunswick, NJ (US);
Assignee:
Merck & Co., Inc., Rahway, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
562 13 ;
Abstract
A process for the preparation of 4-amino-1-hydroxybutylidene-1, 1-bisphosphonic acid or salts thereof which comprises:
Kieczykowski, Gerard. (1990). Process for preparing 4-amino-1-hydroxybutylidene-1,1-bisphosphonic acid (U.S. Patent No. 4922007). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4922007
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile