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:
Aug. 10, 1982
Filed:
Nov. 21, 1980
Applicant:
Inventors:
Gerry H Ehrhardt, W. Des Moines, IA (US);
Gene D Carlson, Ankeny, IA (US);
Assignee:
Frye Copysystems, Inc., Des Moines, IA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ; B41M / ;
U.S. Cl.
CPC ...
282 275 ; 427150 ; 427152 ; 4283202 ; 4283204 ; 4283208 ; 4283211 ; 428484 ; 428488 ; 428537 ; 428914 ;
Abstract
An improved chemical carbonless copy paper system including an improved hot melt type of coating for one surface of pressure sensitive carbonless copy paper having discrete liquid droplets of metallic salt solution electron accepting chromogenic reagent material contained therein in operative association with an image receptor coating for the other surface of said paper employing tri (p-phenylamino) phenyl methanol as a dye precursor type chromogenic reagent material therein.