US 11,679,553 B2
Compositions for printing
Carolin Fleischmann, San Diego, CA (US); Hector Lebron, San Diego, CA (US); Yi Feng, San Diego, CA (US); Jesiska Tandy, San Diego, CA (US); Alay Yemane, San Diego, CA (US); and Ali Emamjomeh, San Diego, CA (US)
Assigned to Hewlett-Packard Development Company, L.P., Spring, TX (US)
Filed by Hewlett-Packard Development Company, L.P., Spring, TX (US)
Filed on Jul. 7, 2022, as Appl. No. 17/859,922.
Application 17/859,922 is a continuation of application No. 16/964,406, granted, now 11,413,816, previously published as PCT/US2018/023349, filed on Mar. 20, 2018.
Prior Publication US 2022/0339862 A1, Oct. 27, 2022
Int. Cl. B29C 64/165 (2017.01); B33Y 10/00 (2015.01); B33Y 70/00 (2020.01); C09D 11/322 (2014.01); C09D 11/324 (2014.01); B33Y 70/10 (2020.01)
CPC B29C 64/165 (2017.08) [B33Y 10/00 (2014.12); B33Y 70/00 (2014.12); B33Y 70/10 (2020.01); C09D 11/322 (2013.01); C09D 11/324 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A composition for printing a three-dimensional object, the composition comprising:
composite particles comprising a thermoplastic polymer and a colour-masking pigment,
wherein the colour-masking pigment is encapsulated by the thermoplastic polymer and is present in an amount of from about 1.5 to less than about 6 wt % based on the total weight of the composite particles, and wherein the thermoplastic polymer has a relative solution viscosity in 99.5 wt % m-cresol ranging from 1.85 to 2.1.