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. 14, 1991
Filed:
Sep. 25, 1989
Applicant:
Inventors:
Paul V Grosso, West Hartford, CT (US);
Michael J Morgan, Northford, CT (US);
Feagin A Wing, Jr, Farmington, CT (US);
Roger W Day, Louisville, KY (US);
Assignee:
Olin Corporation, Cheshire, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430 45 ; 430111 ; 430138 ; 42840221 ; 42840222 ; 503215 ;
Abstract
A positive or negative latent image can be developed with negatively or positively charged toner particles, respectively, that are microcapsular. The shell material of the toner particles is a melamine-formaldehyde resin or a starch-based material. The core is a liquid solution comprising at least a liquid, ethylenically unsaturated monomer, a leuco dye and a photoinitiator.