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:
Jun. 01, 2021
Filed:
Mar. 13, 2018
Applicant:
Fairmount Santrol Inc., Chesterland, OH (US);
Inventors:
Assignee:
Fairmount Santrol Inc., Independence, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/267 (2006.01); C09K 8/80 (2006.01); C09K 8/68 (2006.01); C09K 8/62 (2006.01); C09K 8/88 (2006.01);
U.S. Cl.
CPC ...
C09K 8/805 (2013.01); C09K 8/62 (2013.01); C09K 8/68 (2013.01); C09K 8/88 (2013.01); E21B 43/267 (2013.01);
Abstract
A resin coated proppant capable of self-bonding at temperatures as low as 70° F. (˜21° C.) is made from an aqueous dispersion of a self-bonding vinyl aromatic/acrylic ester addition copolymer.