US 12,227,461 B2
Interface material formulations for additive fabrication
Alexander C. Barbati, Melrose, MA (US)
Assigned to Desktop Metal, Inc., Burlington, MA (US)
Filed by Desktop Metal, Inc., Burlington, MA (US)
Filed on Jan. 25, 2022, as Appl. No. 17/583,825.
Claims priority of provisional application 63/141,820, filed on Jan. 26, 2021.
Prior Publication US 2022/0250991 A1, Aug. 11, 2022
Int. Cl. B29C 64/141 (2017.01); B33Y 70/00 (2020.01); B33Y 70/10 (2020.01); C04B 35/634 (2006.01); C04B 35/638 (2006.01); C04B 35/64 (2006.01); B22F 10/18 (2021.01)
CPC C04B 35/638 (2013.01) [B29C 64/141 (2017.08); B33Y 70/00 (2014.12); B33Y 70/10 (2020.01); C04B 35/63408 (2013.01); C04B 35/63432 (2013.01); C04B 35/63452 (2013.01); C04B 35/63456 (2013.01); C04B 35/6346 (2013.01); C04B 35/63468 (2013.01); C04B 35/6348 (2013.01); C04B 35/63488 (2013.01); C04B 35/64 (2013.01); B22F 10/18 (2021.01); C04B 2235/3206 (2013.01); C04B 2235/3217 (2013.01); C04B 2235/3234 (2013.01); C04B 2235/3248 (2013.01); C04B 2235/3427 (2013.01); C04B 2235/3821 (2013.01); C04B 2235/386 (2013.01); C04B 2235/3865 (2013.01); C04B 2235/5436 (2013.01); C04B 2235/6026 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A composition for additive fabrication, the composition comprising:
a continuous phase;
particles of a first material embedded within the continuous phase, the first material including a thermoset polymer and/or a thermoplastic; and
particles of an inorganic material embedded within the continuous phase,
wherein the particles of the first material and the particles of the inorganic material combined are present in an amount between 40% and 75% by volume of the composition.