Patent · US Active

Hydrogel particle

US8287917B2 · kind B2 · utility

0Cited by

1References

10Claims

0Family size

Assignee

KAO CORPORATION · JP

Inventors

Michiya Takagi · Wakayama, JP
Kazuo Matsuyama · Gamagori, JP
Koji Mine · Tokyo, JP
Hideaki Kubo · Wakayama, JP

Key dates

Filing date	Dec 5, 2006
Grant date	Oct 16, 2012
Priority date	—
Expiry date	Nov 17, 2027

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K2800/413
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A hydrogel particle contains a continuous phase portion of non-crosslinked hydrogel and a large number of disperse phase portions dispersed in the continuous phase portion. Each of the large number of disperse phase portions is a solid phase containing an oil component and particles of zinc oxide dispersed therein.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.