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:
May. 28, 2013

Filed:

Feb. 06, 2009
Applicants:

Reiji Morioka, Chiyoda-ku, JP;

Toshiaki Yoshikawa, Chiyoda-ku, JP;

Yasuhiro Yoshida, Chiyoda-ku, JP;

Yoshinori Yamamoto, Chiyoda-ku, JP;

Teruhiko Kumada, Chiyoda-ku, JP;

Inventors:

Reiji Morioka, Chiyoda-ku, JP;

Toshiaki Yoshikawa, Chiyoda-ku, JP;

Yasuhiro Yoshida, Chiyoda-ku, JP;

Yoshinori Yamamoto, Chiyoda-ku, JP;

Teruhiko Kumada, Chiyoda-ku, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F28F 19/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A coating composition according to the present invention includes silica microparticles and fluorine resin particles. The coating film formed on a surface of an article includes a silica film composed of the silica microparticles, in which the fluorine resin particles are dotted so as to partially expose from a surface of the silica film, an exposed area of the silica film is larger than an exposed area of the fluorine resin particles, and amount of natrium contained in the coating composition is made equal to or less than 0.5% in a ratio by weight to contained amount of the silica microparticles.


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