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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.:

US 9353264 B1

PDFFull Text
Date of Patent:
May. 31, 2016

Filed:

Mar. 15, 2013

Polymer particle, aqueous dispersion including the same, and fluororesin coating composition using the same

Applicants:

The Chemours Company Fc Llc, Wilmington, DE (US);

Dupont-mitsui Fluorochemicals Company, Ltd., Chiyoda-ku, JP;

Inventor:

Yuqing Liu, Shizuoka, JP;

Assignees:

THE CHEMOURS COMPANY FC, LLC, Wilmington, DE (US);

DUPONT-MITSUI FLUOROCHEMICALS COMPANY, LTD., Tokyo, JP;

Attorney:

Keith W. Palmer

Primary Examiner:

Ling Choi

Assistant Examiner:

Ronald Grinsted

Int. Cl.
CPC ...
C08L 79/08 (2006.01); C08L 81/06 (2006.01); C09D 167/00 (2006.01); C08K 3/22 (2006.01); C08J 3/07 (2006.01); C08J 3/14 (2006.01); C09D 127/18 (2006.01); C09D 177/00 (2006.01); C09D 179/08 (2006.01); C08G 73/10 (2006.01); C08G 73/14 (2006.01); C08K 3/04 (2006.01); C08K 3/30 (2006.01);
U.S. Cl.
CPC ...
C08L 79/08 (2013.01); C08G 73/1046 (2013.01); C08G 73/14 (2013.01); C08J 3/07 (2013.01); C08J 3/14 (2013.01); C08L 81/06 (2013.01); C09D 127/18 (2013.01); C09D 167/00 (2013.01); C09D 177/00 (2013.01); C09D 179/08 (2013.01); C08J 2367/00 (2013.01); C08J 2377/00 (2013.01); C08J 2379/08 (2013.01); C08J 2381/04 (2013.01); C08J 2381/06 (2013.01); C08K 3/04 (2013.01); C08K 3/22 (2013.01); C08K 2003/2227 (2013.01); C08K 2003/2231 (2013.01); C08K 2003/2241 (2013.01); C08K 2003/2296 (2013.01); C08K 2003/3045 (2013.01); Y10T 428/2982 (2015.01);
Abstract

The present invention provides a polymer particle comprising a polymer and a filler contained therein, wherein the polymer is soluble in an organic solvent and is also water insoluble, and wherein the polymer particle contains from 5 to 500 parts by weight of filler per 100 parts by weight of polymer, and a mean particle size of 75 μm or less. The invention also provides an aqueous dispersion including this particle; an aqueous fluororesin coating composition that uses this aqueous dispersion; and a fluororesin laminate or layered coating having a layer obtained from this fluororesin coating composition.

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