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:
Oct. 06, 1981
Filed:
Jan. 18, 1978
Applicant:
Inventors:
Walter W Gale, Houston, TX (US);
Maura C Puerto, Houston, TX (US);
Thomas L Ashcraft, Baytown, TX (US);
Rhoderick K Saunders, Sinton, TX (US);
Ronald L Reed, Houston, TX (US);
Assignee:
Exxon Production Research Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
252 / ; 166273 ; 166274 ; 166275 ; 252352 ; 252353 ; 252354 ;
Abstract
A method for recovering oil from a subterranean formation is disclosed wherein a novel solution is injected into and driven through the formation. The solution contains an effective amount of surface-active agent having the general formula
Gale, Walter. (1981). Propoxylated ethoxylated surfactants and method of recovering oil (U.S. Patent No. 4293428). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4293428
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile