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:
Apr. 30, 2013
Filed:
May. 20, 2009
Applicant:
Johannes Jacobs, Ossendrecht, NL;
Inventor:
Johannes Jacobs, Ossendrecht, NL;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 211/50 (2006.01); C07C 209/82 (2006.01); C07C 209/86 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for preparing mixtures of diphenylmethanediamine and polyphenylenepolymethylenepolyamines, which comprises the steps