US 12,145,315 B2
Three-dimensional printing
Aja Hartman, Palo Alto, CA (US); John Samuel Dilip Jangam, Palo Alto, CA (US); Wei Huang, Palo Alto, CA (US); Thomas Craig Anthony, Palo Alto, CA (US); Gary J Dispoto, Palo Alto, CA (US); and Lihua Zhao, Palo Alto, CA (US)
Assigned to Hewlett-Packard Development Company, L.P., Spring, TX (US)
Appl. No. 17/779,729
Filed by HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P., Spring, TX (US)
PCT Filed Dec. 11, 2019, PCT No. PCT/US2019/065676
§ 371(c)(1), (2) Date May 25, 2022,
PCT Pub. No. WO2021/118555, PCT Pub. Date Jun. 17, 2021.
Prior Publication US 2023/0020639 A1, Jan. 19, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. B29C 64/264 (2017.01); B29C 64/153 (2017.01); B29C 64/255 (2017.01); B33Y 10/00 (2015.01); B33Y 30/00 (2015.01); B33Y 70/10 (2020.01)
CPC B29C 64/264 (2017.08) [B29C 64/153 (2017.08); B29C 64/255 (2017.08); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B33Y 70/10 (2020.01); B29K 2995/0008 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A three-dimensional printing kit comprising:
a powder bed material comprising polymer particles;
a fusing agent comprising a radiation absorber and a liquid carrier; and
a magnetic marking agent comprising magnetic nanoparticles, a humectant, and a liquid carrier, wherein a concentration of the magnetic nanoparticles in the magnetic marking agent ranges from 5 weight % to 70 weight %, based on a total weight of the magnetic marking agent.