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:
Oct. 07, 2008
Filed:
Dec. 16, 2002
Applicants:
Mamoru Kamigaki, Hatsukaichi, JP;
Hiroko Morii, Hiroshima, JP;
Kazuyuki Hayashi, Hiroshima, JP;
Toru Iwaki, Higashihiroshima, JP;
Inventors:
Mamoru Kamigaki, Hatsukaichi, JP;
Hiroko Morii, Hiroshima, JP;
Kazuyuki Hayashi, Hiroshima, JP;
Toru Iwaki, Higashihiroshima, JP;
Assignee:
Toda Kogyo Corporation, Hiroshima-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A functional material comprising fine coloring particles having an average primary particle diameter of 1 to 50 nm in a dried state, and having a BET specific surface area value of 30 to 500 m/g and a light transmittance of not less than 80%. The functional material composed of fine coloring particles, exhibits not only an excellent transparency but also a high tinting strength and a clear hue.