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. 07, 1992
Filed:
Apr. 21, 1989
Applicant:
Inventors:
Eustathios Vassiliou, Newark, DE (US);
Mario Grossa, Dreieich, DE;
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; G03F / ; B05D / ;
U.S. Cl.
CPC ...
430322 ; 430281 ; 430285 ; 430269 ; 430394 ; 430907 ; 427 541 ; 264 22 ;
Abstract
Method of forming an integral three-dimensional object from a photohardenable liquid composition with low shrinkage containing a linear polymer which is soluble in the liquid but separates into a separate phase upon photohardening.