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. 20, 2013
Filed:
Feb. 22, 2010
Applicants:
Rolf Dach, Gau-Algesheim, DE;
Xiangrui Jiang, Shanghai, CN;
Jingshan Shen, Shanghai, CN;
Jin Suo, Shanghai, CN;
Yi Zhu, Shanghai, CN;
Inventors:
Rolf Dach, Gau-Algesheim, DE;
Xiangrui Jiang, Shanghai, CN;
Jingshan Shen, Shanghai, CN;
Jin Suo, Shanghai, CN;
Yi Zhu, Shanghai, CN;
Assignee:
Boehringer Ingelheim Pharma GmbH & Co. KG, Ingelheim am Rhein, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D 239/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Subject of the present invention is a new improved process for the preparation of nitroorotic acid via nitration of orotic acid.