(19) |
 |
|
(11) |
EP 0 692 733 A3 |
(12) |
EUROPEAN PATENT APPLICATION |
(88) |
Date of publication A3: |
|
20.03.1996 Bulletin 1996/12 |
(43) |
Date of publication A2: |
|
17.01.1996 Bulletin 1996/03 |
(22) |
Date of filing: 16.05.1995 |
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(84) |
Designated Contracting States: |
|
BE DE FR GB NL |
(30) |
Priority: |
07.07.1994 EP 94201954
|
(71) |
Applicant: AGFA-GEVAERT
naamloze vennootschap |
|
B-2640 Mortsel (BE) |
|
(72) |
Inventors: |
|
- Uyttendaele, Carlo
B-2640 Mortsel (BE)
- Uytterhoeven, Herman
B-2640 Mortsel (BE)
- Horsten, Bartholomeus
B-2640 Mortsel (BE)
|
|
|
|
(54) |
Direct thermal recording process |
(57) A direct thermal recording process wherein a direct thermal recording material is
heated dot-wise and said direct thermal recording material comprises on a substrate
an imaging layer containing uniformly distributed in a film-forming polymeric binder
(i) one or more substantially light-insensitive organic silver salts being no double
salts, said silver salt(s) being in thermal working relationship with (ii) an organic
reducing agent therefor, characterized in that said reducing agent is a benzene compound
the benzene nucleus of which is substituted by no more than two hydroxy groups which
are present in 3,4-position on said nucleus and have in the 1-position of said nucleus
a substituent linked to said nucleus by means of a carbonyl group.