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. 31, 2024
Filed:
May. 19, 2023
Stepan Company, Northfield, IL (US);
Saint-gobain Placo, Suresnes, FR;
Brian K. Mirous, Northfield, IL (US);
Hamouda Jaffel, Aulnay-sous-bois, FR;
STEPAN COMPANY, Northfield, IL (US);
SAINT-GOBAIN PLACO, Suresnes, FR;
Abstract
A surfactant composition is disclosed comprising a first alkyl sulfate surfactant, optionally a second alkyl sulfate surfactant, and optionally an alkyl ether sulfate. The first and second alkyl sulfate surfactants have Formula (1):R—OSOM (1)and the alkyl ether sulfate has Formula (2):R—(OCHCH)OSOM (2)in which Rand Rare independently selected linear or branched alkyl or a combination thereof having from 6 to 14 carbon atoms, y has an average value from 0.1 to 5, and Mand Mare cations independently selected from sodium, calcium, ammonium, or a combination of two or all of these. Use of the composition as a foaming agent for gypsum slurries, and of the gypsum slurries for formation of gypsum boards, are disclosed.