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.

Date of Patent:
Jul. 29, 2025

Filed:

Nov. 11, 2020
Applicant:

Showa Denko K. K., Tokyo, JP;

Inventors:

Yuki Otsuka, Yokohama, JP;

Naoki Minorikawa, Yokohama, JP;

Ikue Kobayashi, Yokohama, JP;

Assignee:

Resonac Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09C 1/40 (2006.01); C08L 63/00 (2006.01); C09C 3/06 (2006.01);
U.S. Cl.
CPC ...
C09C 1/40 (2013.01); C08L 63/00 (2013.01); C09C 3/063 (2013.01); C01P 2004/61 (2013.01);
Abstract

A method for producing silicon-containing oxide-coated aluminum nitride particles including aluminum nitride particles and a silicon-containing oxide coating covering a surface of each of the aluminum nitride particles. The method includes a first step including mixing aluminum nitride particles and an organic silicone compound solution in which an organic silicone compound containing a specific structure is dissolved in a solvent to form a mixture and then heating the mixture to remove the solvent and to obtain aluminum nitride particles coated with the organic silicone compound; and a second step including heating the aluminum nitride particles coated with the organic silicone compound at a temperature of 300° C. or more and 1,000° C. or less.


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