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:
May. 23, 1995
Filed:
Nov. 10, 1993
Applicant:
Inventors:
Srinivas K Mirle, Ellicott City, MD (US);
Ronald J Kumpfmiller, Marietta, GA (US);
Assignee:
W. R. Grace & Co.-Conn., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; C08F / ;
U.S. Cl.
CPC ...
430269 ; 430284 ; 522-8 ; 522 10 ; 522 90 ; 522100 ; 522103 ;
Abstract
A method useful for stereolithography that yields enhanced photospeed, as well as a photocurable polymer composition well adapted for use with same, are disclosed. A preferred combination includes 1,2-dimethoxy-2-phenyl acetophenone, benzophenone, and triphenyl phosphine combined with a polyurethane (meth)acrylate oligomer.