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. 02, 2021
Filed:
Sep. 18, 2018
Applicant:
Basf SE, Ludwigshafen am Rhein, DE;
Inventors:
Helmut Reichelt, Ludwigshafen, DE;
Hans Reichert, Basel, CH;
Oliver Seeger, Ludwigshafen, DE;
Korinna Dormann, Ludwigshafen, DE;
Rene Fischer, Basel, CH;
Christian Doerr, Ludwigshafen, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 233/84 (2006.01); B42D 25/20 (2014.01); C09D 11/02 (2014.01); C07F 15/04 (2006.01);
U.S. Cl.
CPC ...
C07F 15/045 (2013.01); B42D 25/20 (2014.10); C09D 11/02 (2013.01); C07B 2200/13 (2013.01);
Abstract
The present invention relates to a new crystal form of bis(diphenylimidazolidinetrithione-κS4, κS5)-, (SP-4-1)-nickel(II), a printing ink formulation for security printing and security documents, comprising the new crystal form of bis(diphenylimidazolidinetrithione-κS4, κS5)-, (SP-4-1)-nickel(II) as well as its use as IR absorber.