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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 10952938 B1

PDFFull Text
Date of Patent:
Mar. 23, 2021

Filed:

Feb. 27, 2017

Silica-including microcapsule resin particles, method for producing same, and application thereof

Applicant:

Sekisui Plastics Co., Ltd., Osaka, JP;

Inventors:

Akiyoshi Kusaka, Nara, JP;

Yoshinao Yamaji, Nara, JP;

Ryosuke Harada, Shiga, JP;

Assignee:

SEKISUI PLASTICS CO., LTD., Osaka, JP;

Attorney:

Greenblum & Bernstein, P.L.C.

Primary Examiner:

Susan T Tran

Int. Cl.
CPC ...
A61K 9/50 (2006.01); A61K 8/11 (2006.01); A61K 8/25 (2006.01); A61Q 19/00 (2006.01); A61K 8/02 (2006.01); C01B 33/159 (2006.01); G02B 1/04 (2006.01); B32B 27/18 (2006.01); C09D 7/40 (2018.01); A61Q 1/00 (2006.01); G02B 5/02 (2006.01); B01J 13/06 (2006.01); C09D 7/65 (2018.01); C09D 7/61 (2018.01); A61Q 1/12 (2006.01); B01J 13/18 (2006.01);
U.S. Cl.
CPC ...
A61K 8/11 (2013.01); A61K 8/02 (2013.01); A61K 8/0279 (2013.01); A61K 8/25 (2013.01); A61Q 1/00 (2013.01); A61Q 1/12 (2013.01); A61Q 19/00 (2013.01); B01J 13/06 (2013.01); B01J 13/185 (2013.01); B32B 27/18 (2013.01); C01B 33/159 (2013.01); C09D 7/40 (2018.01); C09D 7/61 (2018.01); C09D 7/65 (2018.01); C09D 7/68 (2018.01); C09D 7/69 (2018.01); G02B 1/04 (2013.01); G02B 5/02 (2013.01); G02B 5/0226 (2013.01); A61K 2800/10 (2013.01); A61K 2800/412 (2013.01); A61K 2800/614 (2013.01); A61K 2800/651 (2013.01); A61K 2800/654 (2013.01);
Abstract

Silica-including microcapsule resin particles including an outer shell constituted of a crosslinked polymer and a cavity partitioned with the outer shell, in which the silica-including microcapsule resin particles contain inside the cavity a porous structure in which silica particles are mutually connected, and have a volume average particle diameter of 0.5 to 100 μm.

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