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:
Jun. 22, 1976
Filed:
Apr. 29, 1975
Applicant:
Inventors:
Wilhelmus Janssens, Aarschot, BE;
Daniel Alois Claeys, Mortsel, BE;
Raymond Gerard Lemahieu, Mortsel, BE;
Jozef Aime Dierckx, Hove, BE;
Assignee:
AGFA-GEVAERT N.V., Mortsel, BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428341 ; 250317 ; 250330 ; 282 275 ; 428342 ; 428420 ; 428480 ; 428537 ;
Abstract
A thermographic recording process in which a dye is produced by bringing image-wise into reactive contact with the aid of heat a dye precursor compound and a compound with acid reaction corresponding to the following general formula: ##EQU1## wherein : Z represents the necessary atoms to close an unsubstituted benzene nucleus, a halogen-substituted benzene nucleus or a nitro-substituted benzene nucleus, and