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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 10557056 B1

PDFFull Text
Date of Patent:
Feb. 11, 2020

Filed:

Dec. 28, 2016

Abs/polycarbonate/poly(styrene-co-maleimide) part material for electrophotography-based additive manufacturing

Applicant:

Evolve Additive Solutions, Inc., Minnetonka, MN (US);

Inventors:

Maura A. Sweeney, Irondequoit, NY (US);

Mark E. Mang, Rochester, NY (US);

Susan LaFica, Fairport, NY (US);

Assignee:

Evolve Additive Solutions, Inc., Minnetonka, MN (US);

Attorney:

Pauly, DeVries Smith & Deffner LLC

Primary Examiner:

Robert J Grun

Int. Cl.
CPC ...
B29C 67/00 (2017.01); B33Y 50/02 (2015.01); B33Y 10/00 (2015.01); B33Y 70/00 (2015.01); C09D 125/08 (2006.01); C09D 135/06 (2006.01); C09D 151/00 (2006.01); C09D 169/00 (2006.01); C08L 55/02 (2006.01); B29C 64/40 (2017.01); G03G 15/16 (2006.01); G03G 15/24 (2006.01); G03G 15/22 (2006.01); B29C 64/141 (2017.01); B29K 55/02 (2006.01); B29K 69/00 (2006.01); B29K 25/00 (2006.01);
U.S. Cl.
CPC ...
C09D 135/06 (2013.01); B29C 64/141 (2017.08); B29C 64/40 (2017.08); B33Y 10/00 (2014.12); B33Y 70/00 (2014.12); C08L 55/02 (2013.01); C09D 151/00 (2013.01); G03G 15/1625 (2013.01); G03G 15/224 (2013.01); G03G 15/24 (2013.01); B29K 2025/08 (2013.01); B29K 2055/02 (2013.01); B29K 2069/00 (2013.01); G03G 2215/1695 (2013.01);
Abstract

A part material for printing three-dimensional parts with an electrophotography-based additive manufacturing system, the part material including a composition having a grafted copolymer (including acrylonitrile units, butadiene units, aromatic units modified with polycarbonate and poly(styrene-co-maleimide)), a charge control agent, and a heat absorber. The part material is provided in a powder form having a controlled particle size, and is configured for use in the electrophotography-based additive manufacturing system having a layer transfusion assembly for printing the three-dimensional parts in a layer-by-layer manner.

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