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:
Jul. 27, 2021
Filed:
Sep. 29, 2017
Applicant:
Daikin Industries, Ltd., Osaka, JP;
Inventors:
Satoru Yoneda, Osaka, JP;
Manabu Fujisawa, Osaka, JP;
Kazuya Asano, Osaka, JP;
Takahiro Kitahara, Osaka, JP;
Masahiro Higashi, Osaka, JP;
Akiyoshi Yamauchi, Osaka, JP;
Sumi Ishihara, Osaka, JP;
Yosuke Kishikawa, Osaka, JP;
Assignee:
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 305/04 (2006.01);
U.S. Cl.
CPC ...
C07C 305/04 (2013.01);
Abstract
A sulfuric acid ester containing a plurality of carbonyl groups or a salt thereof, and a surfactant. The sulfuric acid ester is a compound represented by the following formula:R—C(═O)—R—C(═O)—R—OSOX