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. 18, 1976
Filed:
Dec. 27, 1973
Applicant:
Inventors:
Raymond Gerard Lemahieu, Mortsel, BE;
Wilhelmus Janssens, Aarschot, BE;
Daniel Alois Claeys, Mortsel, BE;
Assignee:
AGFA-GEVAERT N.V., Mortsel, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B41B / ;
U.S. Cl.
CPC ...
282 275 ; 2602 / ; 2602 / ; 260247 ; 2602 / ; 26029371 ; 2603191 ; 2603262 ; 2603 / ; 2603 / ; 260333 ; 2606 / ; 428411 ; 428480 ; 428537 ; 2602 / ; 2602 / ;
Abstract
A thermographic recording process in which a methine dye is produced by bringing image-wise into reactive contact with the aid of heat an acid-reacting compound with a dye precursor compound corresponding to the following general formula: ##EQU1## wherein: R.sub.1 represents (1) a substituted aryl group, at least one substituent of the substituted aryl group being an ether group R.sub.6 --O-- in which R.sub.6 represents a hydrocarbon group including a substituted hydrocarbon group or (2) a heterocyclic group including a substituted heterocyclic group,