US 11,912,846 B2
Additives for build materials and associated printed 3D articles
Khalil Moussa, Rock Hill, SC (US)
Assigned to 3D SYSTEMS, INC., Rock Hill, SC (US)
Filed by 3D Systems, Inc., Rock Hill, SC (US)
Filed on Mar. 9, 2022, as Appl. No. 17/690,694.
Claims priority of provisional application 63/159,133, filed on Mar. 10, 2021.
Prior Publication US 2022/0289942 A1, Sep. 15, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C08K 5/01 (2006.01); B33Y 10/00 (2015.01); B29C 64/106 (2017.01); B33Y 70/10 (2020.01); C08F 20/10 (2006.01); B29K 33/04 (2006.01)
CPC C08K 5/01 (2013.01) [B29C 64/106 (2017.08); B33Y 10/00 (2014.12); B33Y 70/10 (2020.01); C08F 20/10 (2013.01); B29K 2033/04 (2013.01)] 28 Claims
OG exemplary drawing
 
1. An additive of Formula I:

OG Complex Work Unit Chemistry
wherein L and Z are ring substituents comprising at least one polymerizable point of unsaturation, and wherein R1 and R2 are alkylene, and R3-R6 each represent one to four optional ring substituents, each one of the one to four ring substituents independently selected from the group consisting of alkyl, heteroalkyl, haloalkyl, halo, hydroxyl, alkoxy, amine, amide, and ether, and wherein n is an integer from 1 to 7.