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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 10526250 B1

PDFFull Text
Date of Patent:
Jan. 07, 2020

Filed:

Nov. 27, 2018

Boron nitride agglomerates, method of production thereof and use thereof

Applicant:

3m Innovative Properties Company, St. Paul, MN (US);

Inventors:

Martin Engler, Kempten, DE;

Krishna Uibel, Waltenhofen, DE;

Jens Eichler, Kempten, DE;

Assignee:

3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);

Attorneys:

Nath, Golberg & Meyer

Tanya E. Harkins

Joshua B. Goldberg

Primary Examiner:

Tahseen Khan

Int. Cl.
CPC ...
C04B 35/583 (2006.01); C01B 21/064 (2006.01); C04B 35/626 (2006.01); C04B 35/628 (2006.01); C04B 35/645 (2006.01); C08K 3/28 (2006.01); C09K 5/14 (2006.01);
U.S. Cl.
CPC ...
C04B 35/583 (2013.01); C01B 21/064 (2013.01); C01B 21/0648 (2013.01); C04B 35/628 (2013.01); C04B 35/6261 (2013.01); C04B 35/62675 (2013.01); C04B 35/62695 (2013.01); C04B 35/645 (2013.01); C08K 3/28 (2013.01); C09K 5/14 (2013.01); C01P 2004/03 (2013.01); C01P 2004/50 (2013.01); C01P 2004/51 (2013.01); C01P 2004/61 (2013.01); C04B 2235/3217 (2013.01); C04B 2235/3218 (2013.01); C04B 2235/3409 (2013.01); C04B 2235/3418 (2013.01); C04B 2235/3865 (2013.01); C04B 2235/5292 (2013.01); C04B 2235/549 (2013.01); C04B 2235/5427 (2013.01); C04B 2235/5436 (2013.01); C04B 2235/5463 (2013.01); C04B 2235/5481 (2013.01); C04B 2235/767 (2013.01); C04B 2235/77 (2013.01); C04B 2235/787 (2013.01); C04B 2235/788 (2013.01); C04B 2235/96 (2013.01); C04B 2235/9607 (2013.01); Y10T 428/24372 (2015.01); Y10T 428/25 (2015.01); Y10T 428/2982 (2015.01);
Abstract

The invention relates to boron nitride agglomerates, comprising lamellar, hexagonal boron nitride primary particles, which are agglomerated with one another with a preferred orientation, the agglomerates formed being flake-shaped. The invention also relates to a method for producing said boron nitride agglomerates, characterized in that lamellar, hexagonal boron nitride primary particles are agglomerated in such a way that they line up with one another with a preferred orientation. The flake-shaped agglomerates according to the invention are suitable as filler for polymers for making polymer-boron nitride composites and for hot pressing of boron nitride sintered compacts.

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