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:
Feb. 21, 2012
Filed:
Sep. 24, 2008
Applicants:
Matthias Ganschow, Wiesbaden, DE;
Uwe Benner, Hattersheim, DE;
Sascha Steinhauer, Selters, DE;
Inventors:
Assignee:
Clariant Finance (BVI) Limited, Tortola, VG;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 5/23 (2006.01); C08K 5/00 (2006.01); C09D 11/00 (2006.01); C07D 243/08 (2006.01); G03G 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to cocrystals of compounds of the formulae (I), (II) and (III), obtainable by reacting 1 mol of a succinic diester with 2 mol of a mixture of nitriles A-CN and B—CN, where A-CN and B—CN are present in the nitrile mixture in a molar ratio of 90:10 to 30:70 relative to one another, and where A-CN is 2-chlorobenzonitrile and B—CN is 4-X-benzonitrile where X=chlorine, methyl or nitrile.