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:
Mar. 22, 1988
Filed:
Apr. 23, 1986
Applicant:
Inventors:
John W Graham, Alvin, TX (US);
A Richard Sinclair, Houston, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; B22C / ;
U.S. Cl.
CPC ...
523145 ; 523139 ; 523144 ; 523146 ; 523147 ;
Abstract
An improved particulate material for use in treating subterranean formations as a proppant and/or as a fluid loss agent in hydraulic fracturing and as a screening material in gravel packing comprised of heat curable particles capable of forming a cohesive mass, said particles comprised of a high strength center, a coupling agent chemically bound to the center with a heat curable resin coated over the center.