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:
Feb. 27, 2018
Filed:
Aug. 30, 2016
Applicant:
Nano and Advanced Materials Institute Limited, Hong Kong, CN;
Inventors:
Jifan Li, Hong Kong, CN;
Wai Yan Chan, Hong Kong, CN;
Ka Kit Yee, Hong Kong, CN;
Ka Leung Kevin Cheuk, Hong Kong, CN;
Assignee:
Nano and Advanced Materials Institute Limited, Hong Kong, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/48 (2006.01); C08F 2/50 (2006.01); C08G 61/04 (2006.01); C09D 4/00 (2006.01); C09D 11/101 (2014.01);
U.S. Cl.
CPC ...
C09D 4/00 (2013.01); C09D 11/101 (2013.01);
Abstract
The present invention provides photopolymer compositions for 3D printing which have low viscosity, proper curing rate, low volume shrinkage, and low ash content. Such compositions may be used in 3D printing for direct investment casting of products and rapid prototyping.