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:
Jan. 24, 1989
Filed:
Feb. 13, 1986
Applicant:
Inventors:
Assignee:
Rhone-Poulenc Specialites Chimique, Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; C09K / ; F02D / ;
U.S. Cl.
CPC ...
166293 ; 106 74 ; 106900 ; 252-8512 ; 2523155 ; 2523156 ; 405266 ; 405270 ;
Abstract
Stable, gel-forming aqueous microemulsions, well adopted for the reversible stabilization or plugging of soil/rock formations, e.g., subterranean well formations, are comprised of (i) an aqueous solution of a water-soluble alkali metal silicate, (ii) a gelling reagent therefor, and (iii) at least one surface active agent.