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:
Nov. 26, 2024
Filed:
Jun. 04, 2020
Nof Corporation, Tokyo, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Norihiro Sugaya, Amagasaki, JP;
Hiroyuki Komiya, Amagasaki, JP;
Munehiro Yamada, Amagasaki, JP;
Hirotsune Watanabe, Miyoshi, JP;
Shogo Izumi, Toyota, JP;
NOF CORPORATION, Tokyo, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
A surfactant composition for a foamed sand including 80 to 99.8 mass % of a compound (A) represented by formula (1); 0.1 to 10 mass % of a compound (B) represented by formula (2); and 0.1 to 10 mass % of an amphoteric surfactant (C):RO-(EO)—SOM (1)wherein Rrepresents a hydrocarbon group having 6 to 22 carbons, EO represents oxyethylene group, n is 1 to 10, and Mrepresents an alkali metal, an alkaline earth metal, ammonium or an organic ammonium;RO—SOM (2)wherein Rrepresents a hydrocarbon group having 6 to 22 carbons, and Mrepresents an alkali metal, an alkaline earth metal, ammonium or an organic ammonium.