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:
Nov. 06, 2012
Filed:
Nov. 22, 2010
Applicants:
Shinji Horie, Otake, JP;
Hiroko Morii, Otake, JP;
Hirofumi Nishikawa, Otake, JP;
Kazuyuki Hayashi, Otake, JP;
Inventors:
Shinji Horie, Otake, JP;
Hiroko Morii, Otake, JP;
Hirofumi Nishikawa, Otake, JP;
Kazuyuki Hayashi, Otake, JP;
Assignee:
Toda Kogyo Corporation, Hiroshima-shi, Hiroshima-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/23 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
Abstract
Colored composite microparticles comprising silica and an organic pigment in which the silica is enclosed in the organic pigment and contained in an amount of 0.001 to 9% by weight (calculated as Si) based on the weight of the composite particles. These microparticles have a high tinting strength and are excellent in dispersibility and light fastness.