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:
Mar. 16, 2010
Filed:
Sep. 28, 2005
Applicants:
Martin Koenemann, Mannheim, DE;
Neil Gregory Pschirer, Mainz, DE;
Inventors:
Martin Koenemann, Mannheim, DE;
Neil Gregory Pschirer, Mainz, DE;
Assignee:
BASF Aktiengessellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07D 221/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for preparing halogenated rylenecarboximides of the general formula I in which the variables are each defined as follows: in which the A' and B′ radicals together are an imide radical or, in the case that n is 1, are also each hydrogenwith elemental halogen in the presence of an inert organic solvent S1, which comprises continuously withdrawing the hydrogen halide formed in the course of the reaction from the solvent S1.