Claims
- 1. A substantially light-insensitive black and white monosheet thermographic recording material comprising a support and a thermosensitive element, said thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith, a binder and at least one stabilizer selected from the group consisting of 1-(5-mercapto-1-tetrazolyl)-acetyl compounds represented by formula (I):
- 2. Substantially light-insensitive black and white monosheet thermographic recording material according to claim 1, wherein at least one of said 5- or 6-membered unsaturated heterocyclic rings is a pyridine, a pyrazine, a pyrimidine, a triazine, a pyrrole, a 1,2,3-triazole, a 1,2,4-triazole, a tetrazole, an oxadiazole, a thiadiazole, an oxazole, an iso-oxazole, a thiazole, an iso-thiazole or an imidazole ring.
- 3. Substantially light-insensitive black and white monosheet thermographic recording material according to claim 1, wherein the at least one compound according to formula (II) is represented by formula (III):
- 4. Substantially light-insensitive black and white monosheet thermographic recording material according to claim 1, wherein said at least one compound according to formula (II) is represented by formula (IV):
- 5. Substantially light-insensitive black and white monosheet thermographic recording material according to claim 1, wherein said at least one compound according to formula (II) is represented by formula (IV):
- 6. Substantially light-insensitive black and white monosheet thermographic recording material according to claim 1, wherein said at least one compound according to formula (II) is represented by formula (VI):
- 7. Substantially light-insensitive black and white monosheet thermographic recording material according to claim 1, wherein said at least one stabilizer is:
- 8. Substantially light-intsensitive black and white monosheet thermographic recording material according to claim 1, wherein said at least one stabilizer is:
- 9. Substantially light-insensitive black and white monosheet thermographic recording material according to claim 1, wherein said at least one stabilizer is:
- 10. Substantially light-insensitive black and white monosheet thermographic recording material according to claim 1, wherein said thermosensitive element further comprises an optionally substituted benzotriazole.
Priority Claims (1)
Number |
Date |
Country |
Kind |
02102586.1 |
Nov 2002 |
EP |
|
CROSS-REFERENCE TO RELATED PATENT APPLICATIONS
[0001] This application claims the benefit of U.S. Provisional Application No. 60/429,284 filed Nov. 26, 2002, which is incorporated by reference. In addition, this application claims the benefit of European Application No. 02102586.1 filed Nov. 14, 2002, which is also incorporated by reference.
Provisional Applications (1)
|
Number |
Date |
Country |
|
60429284 |
Nov 2002 |
US |