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:
May. 04, 1993
Filed:
Aug. 27, 1991
Applicant:
Inventors:
Joe D Sauer, Baton Rouge, LA (US);
Kim R Smith, Baton Rouge, LA (US);
James E Borland, Baton Rouge, LA (US);
Terry Crutcher, Baton Rouge, LA (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
252547 ; 25217421 ; 252D / ;
Abstract
Surfactant compositions which provide acceptable foamability at a lower cost than amine oxides consist of (A) an amine oxide corresponding to the formula RR'R'NO in which R is a primary alkyl group containing 6-24 carbons and R' and R' are independently selected from methyl, ethyl, and 2-hydroxyethyl and (B) a normally liquid polyalkylene glycol.