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:
Aug. 11, 1998
Filed:
Mar. 21, 1997
Applicant:
Inventors:
Hercilio Rivas, Caracas, VE;
Xiomara Gutierrez, Caracas, VE;
Antonio E Cardenas, Caracas, VE;
Amanda Morles, Caracas, VE;
Assignee:
Intevep, S.A., Caracas, VE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10L / ;
U.S. Cl.
CPC ...
44302 ; 44301 ;
Abstract
A stable hydrocarbon-in-water emulsion includes a hydrocarbon phase containing natural surfactant; a water phase having an electrolyte content greater than about 10 ppm (wt) and less than or equal to about 100 ppm (wt) with respect to the water phase; and a surfactant additive including an amine and an ethoxylated alcohol in amounts effective to activate the natural surfactant and stabilize the emulsion.