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:
Dec. 18, 2012
Filed:
Oct. 26, 2006
John Wai Fong, Temple City, CA (US);
Richard N. Leyden, Topanga, CA (US);
Laurence Messe, Blotzheim, FR;
Ranjana C. Patel, Little Hallingbury, GB;
Carole Chapelat, Saint-Louis, FR;
John Wai Fong, Temple City, CA (US);
Richard N. Leyden, Topanga, CA (US);
Laurence Messe, Blotzheim, FR;
Ranjana C. Patel, Little Hallingbury, GB;
Carole Chapelat, Saint-Louis, FR;
3D Systems, Inc., Rock Hill, SC (US);
Abstract
The present invention provides a low viscosity photocurable composition including (i) a cationically curable component (ii) a free radically active component (iii) an antimony-free cationic photoinitiator (v) a free radical photoinitiator, and (vi) a toughening agent. The photocurable composition can be cured using rapid prototyping techniques to form three-dimensional articles which can be used in various aerospace and investment casting applications.