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. 25, 2010
Filed:
Sep. 07, 2005
Applicants:
Eduard Jozef Contantia Vreysen, Mol, BE;
Joannes Petrus Van Dun, Lille, BE;
Wim Albert Alex Aelterman, Lille, BE;
Inventors:
Eduard Jozef Contantia Vreysen, Mol, BE;
Joannes Petrus Van Dun, Lille, BE;
Wim Albert Alex Aelterman, Lille, BE;
Assignee:
Janssen Pharmaceutica N.V., , BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 471/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention concerns a process for preparing crystalline 3-(2-chloro-ethyl)-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one substantially free of 2-acetylbutyrolactone.
Vreysen, Eduard Jozef Contantia. (2010). [object object] (U.S. Patent No. 7723518). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7723518
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile