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. 09, 2023
Filed:
Apr. 26, 2018
Applicant:
Kurita Water Industries Ltd., Tokyo, JP;
Inventors:
Michael Urschey, Duessledorf, DE;
Tim Rudolph, Duessledorf, DE;
Assignee:
KURITA WATER INDUSTRIES LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 213/10 (2006.01); C02F 5/12 (2023.01); C10G 75/02 (2006.01); C10G 75/04 (2006.01); C23F 11/14 (2006.01); G03F 7/42 (2006.01);
U.S. Cl.
CPC ...
C07C 213/10 (2013.01); C02F 5/12 (2013.01); C10G 75/02 (2013.01); C10G 75/04 (2013.01); C23F 11/141 (2013.01); G03F 7/425 (2013.01); C02F 2303/08 (2013.01);
Abstract
A composition comprising a) a quaternary trialkylalkanolamine hydroxide and b) at least one diamine as component b), which is selected from the group consisting of 1-amino-4-methylpiperazine, 1,2-diaminopropane and mixtures thereof.