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:
Jan. 01, 2013
Filed:
Nov. 19, 2009
Michiya Takagi, Wakayama, JP;
Kimikazu Fukuda, Wakayama, JP;
Koji Mine, Wakayama, JP;
Keigo Kajiwara, Tokyo, JP;
Yoko Nakajima, Tokyo, JP;
Yukio Inomata, Tokyo, JP;
Michiya Takagi, Wakayama, JP;
Kimikazu Fukuda, Wakayama, JP;
Koji Mine, Wakayama, JP;
Keigo Kajiwara, Tokyo, JP;
Yoko Nakajima, Tokyo, JP;
Yukio Inomata, Tokyo, JP;
Kao Corporation, Tokyo, JP;
Abstract
Hydrogel particles include a continuous phase portion of non-crosslinked hydrogel and disperse phase portions dispersed in the continuous phase portion. Each of the disperse phase portions contains a solid oil and a liquid oil as an oil component, and titanium oxide particles dispersed therein. The solid oil of the oil component contains a higher alcohol and a solid paraffin, and the content of the solid oil in the disperse phase portion is 1 to 12 mass %. The hydrogel particles have a volume-average particle diameter of 10 to 300 μm.