Claims
- 1. A processing solution for use in the processing of a photosensitive material, the solution including at least one chemical compound that is not visible to a scanner but is detectable in a non destructive manner, at least part of the chemical compound remaining within the material after processing has taken place.
- 2. A processing solution as claimed in claim 1 wherein the chemical compound absorbs UV light having a wavelength of 300 nm to 420 nm and fluoresces in the visible spectrum.
- 3. A processing solution as claimed in claim 1 wherein the chemical compound absorbs UV light having a wavelength of 320 nm to 400 nm and fluoresces in the visible spectrum.
- 4. A processing solution as claimed in claim 1 wherein the chemical compound is an optical brightner.
- 5. A processing solution as claimed in claim 4 wherein the chemical compound is Phorwite.
- 6. A processing solution as claimed in claim 4, wherein the solution is a developer solution.
Priority Claims (1)
Number |
Date |
Country |
Kind |
0129545.0 |
Dec 2001 |
GB |
|
CROSS REFERENCE TO RELATED APPLICATIONS
[0001] This is a divisional of application Ser. No. 10/314,662, filed Dec. 9, 2003, entitled PROCESSING OF PHOTOGRAPHIC MATERIAL, in the names of John R. Fyson et al.
Divisions (1)
|
Number |
Date |
Country |
Parent |
10314662 |
Dec 2002 |
US |
Child |
10675003 |
Sep 2003 |
US |