The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 18, 2023
Filed:
Jan. 22, 2021
Applicant:
3d Systems, Incorporated, Rock Hill, SC (US);
Inventor:
Bo Wu, Wilsonville, OR (US);
Assignee:
3D SYSTEMS, INC., Rock Hill, SC (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B29C 64/40 (2017.01); B33Y 70/00 (2020.01); C08F 20/58 (2006.01); C08G 18/48 (2006.01); C08G 18/73 (2006.01); B33Y 40/20 (2020.01);
U.S. Cl.
CPC ...
B29C 64/40 (2017.08); B33Y 70/00 (2014.12); C08F 20/58 (2013.01); C08G 18/4833 (2013.01); C08G 18/73 (2013.01); B33Y 40/20 (2020.01);
Abstract
In one aspect, urethane waxes are described herein comprising a reaction product between monofunctional polyethylene oxide and polyisocyanate. In some embodiments, the urethane waxes are combined with other components to provide support materials for use in three-dimensional printing applications. A support material ink, for example, comprises a urethane wax comprising a reaction product between monofunctional polyethylene oxide and polyisocyanate. The support material ink, in some embodiments, further comprises monomeric curable material, oligomeric curable material, or mixtures thereof.