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:
Aug. 25, 2020

Filed:

Jun. 27, 2016
Applicant:

Dow Global Technologies Llc, Midland, MI (US);

Inventors:

Kaoru Aou, Lake Jackson, TX (US);

Juan Carlos Medina, Lake Jackson, TX (US);

H. Robert Goltz, Midland, MI (US);

Sachit Goyal, Houston, TX (US);

Arjun Raghuraman, Pearland, TX (US);

Fabio Aguirre Vargas, Lake Jackson, TX (US);

Avery L. Watkins, Pearland, TX (US);

David A. Reuschle, Lake Jackson, TX (US);

Ann F. Johnson, Lake Jackson, TX (US);

Yasmin N. Srivastava, Sugar Land, TX (US);

Assignee:

Dow Global Technologies LLC, Midland, MI (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 8/80 (2006.01); B29C 70/32 (2006.01); B29C 70/52 (2006.01); B29C 70/88 (2006.01); F16L 9/12 (2006.01); C09D 5/00 (2006.01); B29C 70/02 (2006.01); B29C 70/08 (2006.01); B29C 70/38 (2006.01); C09K 8/528 (2006.01); B29K 101/10 (2006.01); B29K 101/12 (2006.01); B29L 23/00 (2006.01); C02F 1/28 (2006.01); C02F 101/00 (2006.01); C02F 103/06 (2006.01); E21B 43/267 (2006.01);
U.S. Cl.
CPC ...
C09K 8/805 (2013.01); B29C 70/021 (2013.01); B29C 70/026 (2013.01); B29C 70/085 (2013.01); B29C 70/32 (2013.01); B29C 70/382 (2013.01); B29C 70/52 (2013.01); B29C 70/88 (2013.01); C09D 5/00 (2013.01); F16L 9/12 (2013.01); B29K 2101/10 (2013.01); B29K 2101/12 (2013.01); B29L 2023/22 (2013.01); C02F 1/288 (2013.01); C02F 2101/006 (2013.01); C02F 2103/06 (2013.01); C09K 8/528 (2013.01); E21B 43/267 (2013.01);
Abstract

A coated proppant includes a solid core proppant particle and a heavy metal recovery coating, including heavy metal recovery crystals embedded within a polymer resin matrix. A process for the manufacture of a coated proppant includes providing a solid core proppant particle, and forming on the solid core proppant particle, a heavy metal recovery coating including heavy metal recovery crystals embedded within a polymer resin matrix.


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