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. 30, 2018
Filed:
Oct. 28, 2015
Applicant:
Kao Corporation, Tokyo, JP;
Inventors:
Katsuhisa Inoue, Wakayama, JP;
Haruka Yoshida, Wakayama, JP;
Assignee:
KAO CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 213/06 (2006.01); C11D 1/62 (2006.01); C07C 219/16 (2006.01); C07C 213/10 (2006.01);
U.S. Cl.
CPC ...
C07C 213/06 (2013.01); C07C 219/16 (2013.01); C11D 1/62 (2013.01); C07C 213/10 (2013.01);
Abstract
The present invention provides a method for producing a high quality cationic surfactant, which is prevented from smelling and coloring, and has favorable storage stability. The production method includes the following step 1, step 2, step 3, and step 4: