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. 07, 2019
Filed:
Jul. 06, 2018
Applicant:
Boehringer Ingelheim International Gmbh, Ingelheim am Rhein, DE;
Inventors:
Weitong Dong, Pudong District, CN;
Christian Wolfgang Hemp, Mainz, DE;
Xiangle Jin, Pudong District, CN;
Jun Lu, Pudong District, CN;
Ulrich Scholz, Bad Kreuznach, DE;
Shengmin Su, Shanghai, CN;
Wei Xu, Pudong District, CN;
Jinsong Yang, Pudong District, CN;
Assignee:
Boehringer Ingelheim International GmbH, Ingelheim am Rhein, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 213/00 (2006.01); C07C 249/02 (2006.01); C07C 257/08 (2006.01); C07C 257/18 (2006.01); C07C 217/76 (2006.01);
U.S. Cl.
CPC ...
C07C 213/00 (2013.01); C07C 217/76 (2013.01); C07C 249/02 (2013.01); C07C 257/08 (2013.01); C07C 257/18 (2013.01);
Abstract
The present invention relates to a process for the preparation of 4-aminobenzoamidine (4-AMBA) salts of general formula (I) preferably the salts thereof with hydrochloric or hydrobromic acid, particularly preferred the dichloride salt.