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:
Jun. 23, 2020

Filed:

Nov. 18, 2016
Applicant:

Anavo Technologies, Llc, Raleigh, NC (US);

Inventors:

Ryan Nicholas Chan, Raleigh, NC (US);

Drew Williams, Raleigh, NC (US);

Caleb Meredith, Raleigh, NC (US);

Charlotte Holt, Raleigh, NC (US);

James Charles Bray, Raleigh, NC (US);

Assignee:

Anavo Technologies, LLC, Raleigh, NC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/80 (2006.01); C09K 8/62 (2006.01); C09K 8/70 (2006.01);
U.S. Cl.
CPC ...
C09K 8/805 (2013.01); C09K 8/62 (2013.01); C09K 8/70 (2013.01);
Abstract

Provided herein are coated particles, such as, for example, proppants comprising a coating. A coated particle of the present invention may swell upon contact with a solution having a salinity in a range of about 50 ppm to about 100,000 ppm and/or having a hardness in a range of about 1 ppm to about 150,000 ppm. The amount of swelling may vary by less than 50% over a salinity concentration in a range of about 50 ppm to about 100,000 ppm and/or a hardness concentration in a range of about 1 ppm to about 150,000 ppm. Also provided herein are methods of making coated particles and methods of using the same.


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