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. 19, 2013
Filed:
Nov. 21, 2008
Applicant:
John Wai Fong, Temple City, CA (US);
Inventor:
John Wai Fong, Temple City, CA (US);
Assignee:
3D Systems, Inc., Rock Hill, SC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C 1/00 (2006.01); G03C 5/00 (2006.01); G03F 7/00 (2006.01); C08G 59/68 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a low viscosity photocurable composition including (i) a cationically curable component comprising a polyglycidyl epoxy compound (ii) a free radically active component (iii) a cationic photoinitiator (v) a free radical photoinitiator and optionally (iv) one or more optional components. The photocurable composition can be cured using rapid prototyping techniques to form clear, colorless three-dimensional articles having excellent mechanical properties.