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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.:

US 4293440 B1

PDFFull Text
Date of Patent:
Oct. 06, 1981

Filed:

Apr. 16, 1979

Temperature gelation activated aqueous silicate mixtures and process of

Applicant:
Inventors:

Eugene A Elphingstone, Duncan, OK (US);

Homer C McLaughlin, Duncan, OK (US);

Charles W Smith, Duncan, OK (US);

Assignee:

Halliburton Company, Duncan, OK (US);

Attorneys:

Tregoning; John H.

Nisbett; Robert S.

Weaver; Thomas R.

Primary Examiner:

Richard D Lovering

Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
252317 ; 166288 ; 166293 ; 405266 ; 405267 ; 405270 ;
Abstract

Energy level or temperature activated aqueous silicate compositions which gel into impermeable masses at preselected temperatures and processes of selectively forming such gels are provided using as temperature responsive gel activators certain halogenated hydrocarbons with solubilizing groups of hydrogen, carbinol, sulfonyl, aldehyde, ester and carboxyl radicals, the acid equivalents of such radicals or combinations of such radicals and acid equivalents.

Find Patent Forward Citations

Elphingstone, Eugene. (1981). Temperature gelation activated aqueous silicate mixtures and process of (U.S. Patent No. 4293440). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4293440

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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