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:
Jan. 07, 2020

Filed:

May. 30, 2017
Applicant:

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

Inventors:

Elodie Bahon, L'Isle-sur-la-Sorgue, FR;

Pierre-Loup Judas, Saint-Germain-au-Mont-d'Or, FR;

Nabil Nahas, Boston, MA (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C01B 21/064 (2006.01); C09C 1/00 (2006.01); C09C 3/04 (2006.01); C08K 3/38 (2006.01); B28B 11/24 (2006.01); C04B 35/583 (2006.01); C04B 18/02 (2006.01); C04B 35/626 (2006.01); C04B 35/632 (2006.01); C04B 35/634 (2006.01); C04B 38/00 (2006.01); B01J 2/10 (2006.01);
U.S. Cl.
CPC ...
C09C 1/0081 (2013.01); B28B 11/243 (2013.01); C01B 21/0648 (2013.01); C04B 18/02 (2013.01); C04B 35/583 (2013.01); C04B 35/6262 (2013.01); C04B 35/6263 (2013.01); C04B 35/62635 (2013.01); C04B 35/62655 (2013.01); C04B 35/62675 (2013.01); C04B 35/62695 (2013.01); C04B 35/632 (2013.01); C04B 35/634 (2013.01); C04B 38/009 (2013.01); C08K 3/38 (2013.01); C09C 3/045 (2013.01); B01J 2/10 (2013.01); C01P 2006/80 (2013.01); C04B 2235/3217 (2013.01); C04B 2235/3224 (2013.01); C04B 2235/3232 (2013.01); C04B 2235/3418 (2013.01); C04B 2235/3895 (2013.01); C04B 2235/5296 (2013.01); C04B 2235/5427 (2013.01); C04B 2235/5436 (2013.01); C04B 2235/608 (2013.01); C04B 2235/72 (2013.01); C08K 2003/385 (2013.01);
Abstract

Disclosed are methods for forming boron nitride-containing aggregates that exhibit improved wear by attrition, and resulting filled polymers that exhibit significantly improved thermal conductivity. The boron nitride-containing aggregates are prepared according to a method that includes wet granulating boron nitride powder with a granulation solution to form wet boron nitride-containing granules; and drying the wet boron nitride-containing granules to cause evaporation of solvent in the granulation solution, thereby forming boron nitride-containing granules. Sintering achieves the desired boron nitride-containing aggregates.


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