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:
Dec. 30, 2025
Filed:
Jun. 24, 2020
Momentive Performance Materials Japan Llc, Tokyo, JP;
Atsushi Sakamoto, Tokyo, JP;
Sean Conte, Tokyo, JP;
MOMENTIVE PERFORMANCE MATERIALS JAPAN LLC, Tokyo, JP;
Abstract
A thermally conductive polysiloxane composition includes (A) a thermally conductive filler and (B) one or more compounds selected from an alkoxysilyl group-containing compound and a dimethylpolysiloxane, wherein: component (A) includes (A-1) round, indefinite-shaped or polyhedral aluminum nitride particles having an average particle diameter of from 50 μm to 150 μm and (A-2) round, indefinite-shaped or polyhedral aluminum nitride particles having an average particle diameter of 10 μm or more but less than 50 μm in an amount of from 20% by mass to 100% by mass relative to the total amount of component (A); and the content ratio of component (A-1) to component (A-2) is from 50:50 to 95:5 on a mass basis.