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:
Apr. 06, 2010
Filed:
Jun. 29, 2005
Applicants:
Andrew G. Bachmann, Litchfield, CT (US);
Stephen E. Cantor, Cheshire, CT (US);
Igor V. Khudyakov, Avon, CT (US);
Inventors:
Andrew G. Bachmann, Litchfield, CT (US);
Stephen E. Cantor, Cheshire, CT (US);
Igor V. Khudyakov, Avon, CT (US);
Assignee:
Dymax Corporation, Torrington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F 7/028 (2006.01); C08F 2/50 (2006.01);
U.S. Cl.
CPC ...
Abstract
A polymerizable acrylate or epoxy composition includes a dye comprised of a conjugated system containing a chromophore that is subject to effective decoupling, by a reactive alkylating species generated by the polymerization initiator, to produce a permanent loss of color and thereby to indicate that curing has occurred.