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:
Feb. 26, 2019
Filed:
Apr. 07, 2015
Kao Corporation, Chuo-ku, JP;
Michiya Takagi, Wakayama, JP;
Satoshi Ueno, Wakayama, JP;
Koji Mine, Wakayama, JP;
Hideaki Kubo, Wakayama, JP;
Ikuhisa Ichimura, Tokyo, JP;
Gen Nakauchi, Tokyo, JP;
Kazushi Oshino, Tokyo, JP;
KAO CORPORATION, Tokyo, JP;
Abstract
The present invention relates to a method of suppressing coloration of catechins, which contains adding, to catechins, a water-soluble polymer forming a water-insoluble complex with catechins, as well as hydrogel particles containing a water-insoluble complex between catechins and a polymer forming a water-insoluble complex with catechins. Further, the present invention relates to a dentifrice composition containing hydrogel particles containing catechins and a polymer forming a water-insoluble complex with catechins, a binder and water.