Claims
- 1. A process for preparing a monosheet black and white photothermographic recording material, said photothermographic recording material being exclusive of a dye-providing compound and comprising a support and a photo-addressable thermally developable element, said photo-addressable thermally developable element being thermally developable under substantially water-free conditions and consisting of one or more layers, said layers together comprising photosensitive silver halide, a substantially light-insensitive organic silver salt, a reducing agent therefor in thermal working relationship therewith and a binder, comprising the steps of: (i) coating at least one of the one or more layers of the photo-addressable thermally developable element from an aqueous medium; (ii) drying said layer or layers coated in step (i); and (iii) heating said photothermographic recording material at a temperature of at least 35° C. in the dark for a period of at least 3 days.
- 2. Process according to claim 1, wherein said temperature is at least 40° C.
- 3. Process according to claim 1, wherein said temperature is at least 45° C.
- 4. Process according to claim 1, wherein said temperature is less than 50° C.
- 5. Process according to claim 1, wherein said period is at least 1 week.
- 6. Process according to claim 1, wherein said heating is carried out at a relative humidity between 10 and 75%.
- 7. Process according to claim 1, wherein said photothermographic recording material is heated for 1 week in the dark at 45° C. and 70% relative humidity.
- 8. A photothermographic recording material obtained by the process of claim 1.
Priority Claims (1)
Number |
Date |
Country |
Kind |
00203138 |
Sep 2000 |
EP |
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Parent Case Info
The application claims the benefit of U.S. Provisional Application No. 60/243,990 filed Oct. 27, 2000.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
5545515 |
Murray et al. |
Aug 1996 |
A |
5705324 |
Murray |
Jan 1998 |
A |
Foreign Referenced Citations (8)
Number |
Date |
Country |
0 386 761 |
Sep 1990 |
EP |
0 713 133 |
May 1996 |
EP |
0 775 592 |
May 1997 |
EP |
0 775 595 |
May 1997 |
EP |
0 779 539 |
Jun 1997 |
EP |
0 810 467 |
Dec 1997 |
EP |
0 924 097 |
Jun 1999 |
EP |
0 964 300 |
Dec 1999 |
EP |
Non-Patent Literature Citations (2)
Entry |
U.S. patent application Ser. No. 09/934,806, Uytterhoeven et al., filed Aug. 22, 2001. |
U.S. patent application Ser. No. 09/928,755, Uytterhoeven et al., filed Aug. 13, 2001. |
Provisional Applications (1)
|
Number |
Date |
Country |
|
60/243990 |
Oct 2000 |
US |