| (19) |
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(11) |
EP 0 120 601 A3 |
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EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
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16.01.1985 Bulletin 1985/03 |
| (43) |
Date of publication A2: |
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03.10.1984 Bulletin 1984/40 |
| (22) |
Date of filing: 23.02.1984 |
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| (84) |
Designated Contracting States: |
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BE CH DE FR GB IT LI |
| (30) |
Priority: |
24.02.1983 GB 8305134
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| (71) |
Applicant: MINNESOTA MINING AND MANUFACTURING COMPANY |
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| (72) |
Inventors: |
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- Patel, Ranjan C.
()
- Ferguson, Ian J.
()
- Pennicott, Herbert J.
()
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(57) A radiation-sensitive element capable of recording an image upon image-wise exposure
to radiation of selected wavelength, the element comprising, as the image-forming
components, an effective amount of a bleachable dye in reactive association with an
iodonium ion. Suitable dyes include polymethine dyes having an oxidation potential
between 0 and +1 volt.