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:
Jan. 14, 2020
Filed:
Feb. 09, 2015
Applicant:
Nippon Shokubai Co., Ltd., Osaka, JP;
Inventors:
Assignee:
NIPPON SHOKUBAI CO., LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 9/06 (2006.01); C09C 1/28 (2006.01); H01L 23/29 (2006.01); H01L 33/56 (2010.01); C09C 1/30 (2006.01);
U.S. Cl.
CPC ...
C09C 1/3081 (2013.01); C08K 9/06 (2013.01); H01L 23/295 (2013.01); H01L 33/56 (2013.01); C01P 2004/61 (2013.01); C01P 2004/62 (2013.01); C01P 2004/64 (2013.01);
Abstract
The object of the present invention is to provide silica particles which are surface-treated with a silicon compound uniformly and have improved surface characteristics and affinity with a resin. The silica particles according the present invention are surface-treated with a specific silicon compound, wherein C/Si ratio from X-ray photoelectron spectroscopy (XPS) is not less than 0.05.