| (19) |
 |
|
(11) |
EP 0 531 014 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
24.03.1993 Bulletin 1993/12 |
| (43) |
Date of publication A2: |
|
10.03.1993 Bulletin 1993/10 |
| (22) |
Date of filing: 18.08.1992 |
|
|
| (84) |
Designated Contracting States: |
|
DE FR GB IT |
| (30) |
Priority: |
03.09.1991 US 753911
|
| (71) |
Applicant: MINNESOTA MINING AND MANUFACTURING COMPANY |
|
St. Paul,
Minnesota 55133-3427 (US) |
|
| (72) |
Inventor: |
|
- Willett, Brian C.,
c/o Minnesota Mining and
St. Paul,
Minnesota 55133-3427 (US)
|
| (74) |
Representative: Baillie, Iain Cameron et al |
|
c/o Ladas & Parry
52-54 High Holborn
London WC1V 6RR
London WC1V 6RR (GB) |
|
| |
|
| (54) |
Multi-wavelength sensitive black-and-white graphic arts film |
(57) A black-and-white silver halide photographic element comprises at least two different
silver halide emulsions each of which is spectrally sensitized to different wavelengths
of the electromagnetic spectrum.