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:
Jul. 07, 2020
Filed:
Mar. 22, 2016
Applicant:
Dow Global Technologies Llc, Midland, MI (US);
Inventors:
Sachit Goyal, Houston, TX (US);
Kaoru Aou, Lake Jackson, TX (US);
Juan Carlos Medina, Lake Jackson, TX (US);
Arjun Raghuraman, Pearland, TX (US);
Armin Hassanzadeh, Pearland, TX (US);
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/80 (2006.01); E21B 43/267 (2006.01);
U.S. Cl.
CPC ...
C09K 8/805 (2013.01); E21B 43/267 (2013.01);
Abstract
A coated proppant includes a solid core proppant particle, a first resin coating, and a second coating on the first resin coating. The second coating includes the reaction product of one or more curatives and one or more preformed aliphatic or cycloaliphatic based isocyanurate tri-isocyanates, derived from aliphatic diisocyanates, cycloaliphatic diisocyanates, or a combination of aliphatic and cycloaliphatic diisocyanates.