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. 03, 2004
Filed:
Jan. 16, 2003
Applicant:
Inventors:
Werner Belzer, St. Goar, DE;
Rolf Dach, Gau-Algesheim, DE;
Volker Fachinger, Nussbaum, DE;
Markus Heitzmann, Ingelheim, DE;
Hartmut Schmidt, Bockenau, DE;
Assignee:
Boehringer Ingelheim Pharma GmbH & Co. KG, Ingelheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
C07D / ;
Abstract
Disclosed is a process which can be used on an industrial scale for preparing and purifying 1,7′-dimethyl-2′-propyl-2,5′-bi-1H-benzimidazole in which the crude product is subjected to charcoal treatment.
Belzer, Werner. (2004). Process for preparing and purifying 1,7′-dimethyl-2′-propyl-2,5′-bi-1h-benzimidazole (U.S. Patent No. 6770762). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6770762
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile