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:
Apr. 23, 2024
Filed:
Dec. 22, 2020
Applicant:
Dow Silicones Corporation, Midland, MI (US);
Inventors:
Assignee:
DOW SILICONES CORPORATION, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 1/62 (2006.01); C09K 23/38 (2022.01); C09K 23/54 (2022.01);
U.S. Cl.
CPC ...
C09K 23/54 (2022.01); C09K 23/38 (2022.01);
Abstract
A cationic surfactant is disclosed. The cationic surfactant has the general formula [Z-D-N(-D-NR+)(R)][X]where Z is a siloxane moiety or an unsubstituted hydrocarbyl moiety having from 5 to 20 carbon atoms, D is a covalent bond or a divalent linking group, Dis a divalent linking group, R is H or an unsubstituted hydrocarbyl group having from 1 to 4 carbon atoms, each Ris an independently selected unsubstituted hydrocarbyl group having from 1 to 4 carbon atoms, subscript a is 1 or 2, and each X is an anion. A method of preparing the cationic surfactant is also disclosed.