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:
Dec. 15, 2020
Filed:
Sep. 29, 2017
Daikin Industries, Ltd., Osaka, JP;
Masahiro Higashi, Osaka, JP;
Satoru Yoneda, Osaka, JP;
Akiyoshi Yamauchi, Osaka, JP;
Sumi Ishihara, Osaka, JP;
Yosuke Kishikawa, Osaka, JP;
Hirokazu Aoyama, Osaka, JP;
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Abstract
A carboxylic acid or sulfonic acid salt containing a plurality of carbonyl groups, and a surfactant represented by the following formula:R—C(═O)—R—C(═O)—R-Awherein R, Rand Rare as defined herein, and A is —COOX or —SOX, wherein X is H, a metal atom, NR, imidazolium optionally containing a substituent, pyridinium optionally containing a substituent, or phosphonium optionally containing a substituent, where Rs are each H or an organic group and are the same as or different from each other; and any two of R, R, and Roptionally bind to each other to form a ring.