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:
May. 13, 2008
Filed:
Aug. 06, 2003
Hideo Takahashi, Yokkaichi, JP;
Toshihiko Akamatsu, Yokkaichi, JP;
Kazuhiro Tominaga, Yokkaichi, JP;
Taku Katou, Yokkaichi, JP;
Yoshio Nagai, Yokkaichi, JP;
Yoshitaka Muraki, Yokkaichi, JP;
Yukako Ota, Yokkaichi, JP;
Hideo Takahashi, Yokkaichi, JP;
Toshihiko Akamatsu, Yokkaichi, JP;
Kazuhiro Tominaga, Yokkaichi, JP;
Taku Katou, Yokkaichi, JP;
Yoshio Nagai, Yokkaichi, JP;
Yoshitaka Muraki, Yokkaichi, JP;
Yukako Ota, Yokkaichi, JP;
Ishihara Sangyo Kaisha, Ltd., Osaka, JP;
Abstract
The titanium dioxide pigment of the present invention contains an anatase type crystal in an amount of 98-100% and has an average particle diameter of 0.2-0.4 μm and a whiteness of 95-97 in terms of L value of linseed oil. The titanium dioxide pigment of the present invention has characteristics peculiar to anatase type, for example, optical characteristics such as bluish color tone and physical characteristics such as low hardness, and furthermore has high opacity which is not possessed by conventional anatase type titanium oxide pigments.