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:
Aug. 07, 2018
Filed:
Jul. 08, 2004
Applicants:
Ryo Muraguchi, Kitakyushu, JP;
Mitsuaki Kumazawa, Kitakyushu, JP;
Toshiharu Hirai, Kitakyushu, JP;
Masafumi Hirai, Kitakyushu, JP;
Inventors:
Ryo Muraguchi, Kitakyushu, JP;
Mitsuaki Kumazawa, Kitakyushu, JP;
Toshiharu Hirai, Kitakyushu, JP;
Masafumi Hirai, Kitakyushu, JP;
Assignee:
JGC CATALYSTS AND CHEMICALS LTD., Kawasaki-Shi, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 33/14 (2006.01); C09C 1/30 (2006.01); B82Y 30/00 (2011.01); C01B 13/36 (2006.01); C01B 33/146 (2006.01); C09D 7/40 (2018.01); C08K 7/26 (2006.01); C08K 9/06 (2006.01);
U.S. Cl.
CPC ...
C09C 1/3081 (2013.01); B82Y 30/00 (2013.01); C01B 13/363 (2013.01); C01B 33/146 (2013.01); C09C 1/309 (2013.01); C09C 1/3045 (2013.01); C09D 7/67 (2018.01); C09D 7/68 (2018.01); C09D 7/70 (2018.01); C01P 2004/34 (2013.01); C01P 2004/62 (2013.01); C01P 2004/64 (2013.01); C08K 7/26 (2013.01); C08K 9/06 (2013.01); Y10T 428/26 (2015.01); Y10T 428/2984 (2015.01);
Abstract
Hollow silica-based particles having cavities inside the outer shell having a low refractive index. The method of producing the silica-based particles comprises the following steps (a) and (b):