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:
Nov. 26, 1985
Filed:
Aug. 20, 1984
Applicant:
Inventor:
Ellis K Fields, River Forest, IL (US);
Assignee:
Standard Oil Company, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
252 / ; 166275 ;
Abstract
Carbamates of beta- hydroxyethylsulfoxides which are useful as cosurfactants in enhanced oil recovery, surfactants and biocides, and as hydraulic fluids when of sufficiently low molecular weight.