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:
Nov. 09, 1999
Filed:
Jan. 20, 1999
Applicant:
Inventors:
Wolfgang Bauer, 63477 Maintal, DE;
Uwe Baeumler, 60386 Frankfurt, DE;
Hans Kurz, Karben, DE;
Hans-Peter Kreutzer, Nidderau, DE;
Assignee:
Clariant GmbH, Frankfurt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
549 56 ; 549 59 ;
Abstract
4,4'-Dimethyl-6,6'-dichlorothioindigo is obtained in the stable crystal modification I, distinguished by the fraction angles (2 theta):