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. 01, 1992
Filed:
Nov. 07, 1991
Applicant:
Inventors:
Terry Crutcher, Baton Rouge, LA (US);
Jeffrey W Perine, Baton Rouge, LA (US);
Joe D Sauer, Baton Rouge, LA (US);
Kim R Smith, Baton Rouge, LA (US);
James E Borland, Baton Rouge, LA (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ;
U.S. Cl.
CPC ...
252546 ; 252544 ; 252548 ; 252D / ; 252D / ; 252D / ;
Abstract
Surfactant mixtures which have foamability performance and/or cost advantages over the individual components consist of 50-95% by weight of an alkyldimethylbetaine in which the alkyl group contains 8-18 carbons and 50-5% by weight of a fatty acid alkanolamide. Preferred mixtures are those in which the betaine is tetradecyldimethylbetaine and the alkanolamide is cocodiethanolsuperamide.