Three-dimensional printing with blocked polyisocyanates

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United States of America Patent

PATENT NO 12122094
SERIAL NO

17054573

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present disclosure describes three-dimensional printing kits, systems for three-dimensional printing, and methods of three-dimensional printing. In one example, a three-dimensional printing kit can include a particulate build material and a binding agent. The particulate build material can include metal particles. The binding agent can include a polyhydroxy polyol and a water-dispersible blocked polyisocyanate having multiple blocked isocyanate groups. The blocked isocyanate groups can include a blocking group bonded to the carbon atom of the blocked isocyanate group through a labile bond breakable by heating to a deblocking temperature. Breaking the labile bond can produce a released blocking group reacted with hydrogen and an isocyanate group.

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Patent Owner(s)

Patent OwnerAddress
PERIDOT PRINT LLC1501 PAGE MILL ROAD PALO ALTO CA 94304

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Tienteh San Diego, US 105 530

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