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:
Sep. 22, 2026
Filed:
Aug. 19, 2021
Applicant:
Denka Company Limited, Tokyo, JP;
Inventors:
Assignee:
Denka Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 7/24 (2006.01); C01B 21/064 (2006.01); C09C 3/04 (2006.01);
U.S. Cl.
CPC ...
C08K 7/24 (2013.01); C01B 21/064 (2013.01); C09C 3/041 (2013.01); C01P 2002/72 (2013.01); C01P 2004/03 (2013.01); C01P 2004/133 (2013.01); C01P 2004/84 (2013.01);
Abstract
A boron nitride particle having a shell part formed of boron nitride and a hollow part surrounded by the shell part, in which a density of the boron nitride on an inside of the shell part is higher than a density of the boron nitride on an outside of the shell part. A resin composition containing the boron nitride particle and a resin. A method for producing a resin composition including a step of preparing the boron nitride particle and a step of mixing the boron nitride particle with a resin.