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:
Jan. 22, 2019
Filed:
May. 12, 2016
Applicant:
Dsm Ip Assets B.v., Heerlen, NL;
Inventors:
Nadine Greiner, Kaiseraugst, CH;
Sandro Schmid, Kaiseraugst, CH;
René Tobias Stemmler, Kaiseraugst, CH;
Assignee:
DSM IP ASSETS B.V., Heerlen, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 251/24 (2006.01); C07B 49/00 (2006.01); C07B 63/00 (2006.01); C07D 251/20 (2006.01); C07F 3/02 (2006.01);
U.S. Cl.
CPC ...
C07D 251/24 (2013.01); C07B 49/00 (2013.01); C07B 63/00 (2013.01); C07D 251/20 (2013.01); C07F 3/02 (2013.01);
Abstract
The invention relates to an improved process for the manufacture of bis-resorcinyl triazines of formula (I) wherein Ris a CCalkyl group or C-Calkenyl group as well as the respective alkyl substituted bis-resorcinyl derivatives of formula (II) wherein Ris a C-Calkyl group or C-Calkenyl group and Rand Rare independently of each other a C-Calkyl group or a C-Calkenyl group.