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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.:

US 12584056 B1

PDFFull Text
Date of Patent:
Mar. 24, 2026

Filed:

Oct. 14, 2022

Composite body having high thermal conductivity and method of making the composite body

Applicant:

Saint-gobain Ceramics & Plastics, Inc., Worcester, MA (US);

Inventors:

Hua Wang, Northbridge, MA (US);

Shuai Liang, Southborough, MA (US);

Nicholas Watkins, Bellingham, MA (US);

Martin Z. Bazant, Wellesley, MA (US);

Sarah Elizabeth Plain, Worcester, MA (US);

Chuanping Li, Shrewsbury, MA (US);

Mark Hampden-Smith, Chelmsford, MA (US);

Mithun N. Kamath, Northborough, MA (US);

Daniel Shrives, Harvard, MA (US);

Assignee:

SAINT-GOBAIN CERAMICS & PLASTICS, INC., Worcester, MA (US);

Attorneys:

Abel Schillinger, LLP

Adrian Lawrence

Primary Examiner:

Prashant J Khatri

Int. Cl.
CPC ...
C09K 5/14 (2006.01); B29B 7/90 (2006.01); B29C 48/00 (2019.01); B29C 48/07 (2019.01); B29C 48/18 (2019.01); B29C 71/00 (2006.01); B29K 509/02 (2006.01); B29L 7/00 (2006.01); B32B 27/08 (2006.01); B32B 27/18 (2006.01); B32B 27/28 (2006.01); B32B 27/32 (2006.01); B32B 27/36 (2006.01); B32B 27/38 (2006.01); B32B 27/40 (2006.01); C08J 5/02 (2006.01); C08J 5/18 (2006.01); C08K 3/38 (2006.01); C08K 9/06 (2006.01); C08L 83/04 (2006.01); B29K 83/00 (2006.01); B29K 307/02 (2006.01);
U.S. Cl.
CPC ...
C09K 5/14 (2013.01); B29B 7/90 (2013.01); B29C 48/0021 (2019.02); B29C 48/0022 (2019.02); B29C 48/07 (2019.02); B29C 48/185 (2019.02); B29C 71/0072 (2013.01); B32B 27/08 (2013.01); B32B 27/18 (2013.01); B32B 27/283 (2013.01); B32B 27/32 (2013.01); B32B 27/36 (2013.01); B32B 27/38 (2013.01); B32B 27/40 (2013.01); C08J 5/02 (2013.01); C08J 5/18 (2013.01); C08K 3/38 (2013.01); C08K 9/06 (2013.01); C08L 83/04 (2013.01); B29K 2083/00 (2013.01); B29K 2307/02 (2013.01); B29K 2509/02 (2013.01); B29K 2995/0007 (2013.01); B29K 2995/0013 (2013.01); B29K 2995/0094 (2013.01); B29K 2995/0097 (2013.01); B29L 2007/002 (2013.01); B32B 2250/05 (2013.01); B32B 2250/24 (2013.01); B32B 2264/104 (2013.01); B32B 2264/303 (2020.08); B32B 2274/00 (2013.01); B32B 2307/20 (2013.01); B32B 2307/302 (2013.01); B32B 2307/7376 (2023.05); C08J 2383/04 (2013.01); C08K 2003/385 (2013.01); C08K 2201/001 (2013.01); C08K 2201/005 (2013.01); C08K 2201/016 (2013.01);
Abstract

A composite article can comprise a composite body including an organic polymer and ceramic particles comprising hexagonal boron nitride (hBN) particles distributed throughout the organic polymer, wherein an amount of the hBN particles ranges from 20 vol % to 40 vol % based on a total volume of the body; and the body comprises an in plane thermal conductivity of at least 10 W/mK. The hBN particles within the composite body can have a March-Dollase Orientation parameter η of at least 50%.

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