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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.:

US 9376319 B1

PDFFull Text
Date of Patent:
Jun. 28, 2016

Filed:

Jun. 08, 2012

Rounded zinc peroxide particles, rounded zinc oxide particles, method for production thereof, cosmetic and heat releasing filler

Applicants:

Satoru Sueda, Iwaki, JP;

Atsuki Terabe, Iwaki, JP;

Mitsuo Hashimoto, Iwaki, JP;

Koichiro Magara, Iwaki, JP;

Keita Kobayashi, Sakai, JP;

Inventors:

Satoru Sueda, Iwaki, JP;

Atsuki Terabe, Iwaki, JP;

Mitsuo Hashimoto, Iwaki, JP;

Koichiro Magara, Iwaki, JP;

Keita Kobayashi, Sakai, JP;

Assignee:

Sakai Chemical Industry Co., Ltd., Osaka, JP;

Attorney:

Polsinelli PC

Primary Examiner:

Holly Le

Int. Cl.
CPC ...
C01G 9/02 (2006.01); B32B 5/16 (2006.01); C01B 15/047 (2006.01); C09C 1/04 (2006.01); C09K 5/14 (2006.01); A61K 8/27 (2006.01); A61Q 17/04 (2006.01); A61Q 19/00 (2006.01); A61K 8/02 (2006.01); B82Y 30/00 (2011.01); C01G 9/00 (2006.01);
U.S. Cl.
CPC ...
C01B 15/047 (2013.01); A61K 8/0241 (2013.01); A61K 8/27 (2013.01); A61Q 17/04 (2013.01); A61Q 19/00 (2013.01); B82Y 30/00 (2013.01); C01G 9/02 (2013.01); C09C 1/04 (2013.01); C09C 1/043 (2013.01); C09K 5/14 (2013.01); A61K 2800/412 (2013.01); C01G 9/00 (2013.01); C01P 2002/72 (2013.01); C01P 2004/32 (2013.01); C01P 2004/51 (2013.01); C01P 2004/54 (2013.01); C01P 2004/64 (2013.01); C01P 2006/12 (2013.01); C01P 2006/60 (2013.01); Y10T 428/2982 (2015.01);
Abstract

An object of the present invention is to provide rounded zinc peroxide particles having a large particle diameter, the rounded zinc peroxide particles having excellent performance because they have an average particle diameter of 0.04 μm or more, a small aspect ratio and a shape close to a spherical shape; rounded zinc oxide particles which are obtained by calcinating the rounded zinc peroxide particles and which have a small aspect ratio and a sharp particle size distribution; a method for production thereof; and a cosmetic and a heat releasing filler each containing the rounded zinc oxide particles. Provided are rounded zinc peroxide particles having an average particle diameter of 0.04 μm or more and an aspect ratio of 2.0 or less, and rounded zinc oxide particles which are obtained by thermally decomposing the rounded zinc peroxide particles and which have an average particle diameter of 0.04 μm or more and an aspect ratio of 2.0 or less.

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