Three-dimensional printing

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United States of America Patent

PATENT NO 11890809
SERIAL NO

17298852

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A 3D printing kit can include a powder bed material comprising from about 80 wt % to 100 wt % polymer particles, a fusing agent to selectively apply to the powder bed material, and a hardener to selectively apply to the powder bed material. The polymeric particles can include a polyalkylene backbone with both ethylene and propylene polymerized monomeric units with from 2 mol % to 15 mol % of the polymerized monomeric units include a grafted side chain having an epoxide moiety. The fusing agent can include water and a radiation absorber that absorbs electromagnetic energy and converts the electromagnetic energy to heat. The hardener can be present in the fusing agent or can be included in a hardening agent that is separate from the fusing agent.

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Patent Owner(s)

Patent OwnerAddress
HEWLETT-PACKARD DEVELOPMENT COMPANY L P10300 ENERGY DRIVE SPRING TX 77389

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Herschke, Laurent Sant Cugat del Valles, ES 10 19
Olubummo, Adekunle Palo Alto, US 16 4
Querol, Esparch Maria del Carmen Sant Cugat del Valles, ES 8 6
Wycoff, Kyle Palo Alto, US 9 0
Zhao, Lihua Palo Alto, US 146 516

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