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:
Dec. 30, 2014
Filed:
May. 17, 2012
Applicants:
Christof Wilhelm Wigbers, Mannheim, DE;
Marion Kristina Brinks, Mannheim, DE;
Johann-peter Melder, Böhl-Iggelheim, DE;
Inventors:
Christof Wilhelm Wigbers, Mannheim, DE;
Marion Kristina Brinks, Mannheim, DE;
Johann-Peter Melder, Böhl-Iggelheim, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 209/00 (2006.01); C09C 1/56 (2006.01); B82Y 40/00 (2011.01); C01B 31/02 (2006.01); C01B 31/04 (2006.01); C09C 1/54 (2006.01);
U.S. Cl.
CPC ...
C09C 1/56 (2013.01); B82Y 40/00 (2013.01); C01B 31/0273 (2013.01); C01B 31/0484 (2013.01); C09C 1/54 (2013.01); C01P 2004/13 (2013.01); C01P 2004/64 (2013.01); C01P 2006/10 (2013.01); C01P 2006/12 (2013.01);
Abstract
The invention relates to a process for producing carbon fillers having covalently bonded amino groups, by converting a mixture comprising carbon fillers and alkali metals and/or alkaline earth metals and/or amides thereof in liquid anhydrous ammonia, optionally together with an inert solvent, at temperatures of 35 to 500° C. and a pressure of 30 to 250 bar.