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:
May. 10, 2016
Filed:
Oct. 16, 2013
Applicants:
Dirk Leinweber, Kelkheim, DE;
Hannah Benson, Heppenheim, DE;
Nihal Obeyesekere, Houston, TX (US);
Thenuka Ariyaratna, Kingwood, TX (US);
Inventors:
Dirk Leinweber, Kelkheim, DE;
Hannah Benson, Heppenheim, DE;
Nihal Obeyesekere, Houston, TX (US);
Thenuka Ariyaratna, Kingwood, TX (US);
Assignee:
Clariant International Ltd., Muttenz, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23F 11/00 (2006.01); C23F 11/04 (2006.01); C09K 3/00 (2006.01); C02F 5/02 (2006.01); B08B 9/00 (2006.01); B08B 7/00 (2006.01); C07D 239/04 (2006.01); C09K 8/54 (2006.01); C23F 11/14 (2006.01);
U.S. Cl.
CPC ...
C07D 239/04 (2013.01); C09K 8/54 (2013.01); C23F 11/141 (2013.01); C09K 2208/32 (2013.01);
Abstract
This invention relates to N-alkyl-N'-poly(oxyalkyl)hexapyrimidine-quaternary ammonium salts of the formulae (Ia)-(Ic) and mixtures thereof in which wherein