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.

Date of Patent:
Apr. 16, 2013

Filed:

Aug. 10, 2009
Applicants:

Larry S. Eoff, Duncan, OK (US);

B. Raghava Reddy, Duncan, OK (US);

Eldon D. Dalrymple, Duncan, OK (US);

Inventors:

Larry S. Eoff, Duncan, OK (US);

B. Raghava Reddy, Duncan, OK (US);

Eldon D. Dalrymple, Duncan, OK (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 8/60 (2006.01); C09K 8/588 (2006.01); E21B 43/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

Methods comprising introducing a hydrophobically and cationically modified relative permeability modifier into a portion of a subterranean formation. The hydrophobically and cationically modified relative permeability modifier comprises a hydrophilic polymer backbone with a hydrophobic modification and a cationic modification. The cationic modification may comprise at least one cationic compound comprising an alkyl chain length of from 1 to 3 carbons.


Find Patent Forward Citations

Eoff, Larry. (2013). Hydrophobically and cationically modified relative permeability modifiers and associated methods (U.S. Patent No. 8420576). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8420576

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

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