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:
Nov. 24, 2020
Filed:
Mar. 21, 2018
Dow Global Technologies Llc, Midland, MI (US);
Dow Silicones Corporation, Midland, MI (US);
Sachit Goyal, Houston, TX (US);
Arjun Raghuraman, Pearland, TX (US);
Kaoru Aou, Lake Jackson, TX (US);
Juan Carlos Medina, Lake Jackson, TX (US);
Lenin Petroff, Bay City, MI (US);
James Young, Jr., Midland, MI (US);
Dow Global Technologies LLC, Midland, MI (US);
DOW SILICONES CORPORATION, Midland, MI (US);
Abstract
A coated article, such as a proppant, includes a base substrate and one or more polyurethane based coatings on an outer surface of the base substrate. The one or more polyurethane based coatings including the reaction product of an isocyanate component that has at least one isocyanate and an isocyanate-reactive component that has one or more simple polyols and one or more polyether monols at a ratio from 1:18 to 18:1. An isocyanate index is greater than 0.2 and less than 1.0.