| (19) |
 |
|
(11) |
EP 0 015 071 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
12.11.1980 Bulletin 1980/23 |
| (43) |
Date of publication A2: |
|
03.09.1980 Bulletin 1980/18 |
| (22) |
Date of filing: 28.01.1980 |
|
|
| (84) |
Designated Contracting States: |
|
BE DE GB |
| (30) |
Priority: |
29.01.1979 CA 320452
|
| (71) |
Applicant: EASTERN COATED PAPERS LIMITED |
|
() |
|
| (72) |
Inventors: |
|
- Lewinton, Colin Harold
()
- Savit, Joseph
()
|
|
| |
|
| (54) |
Electrophotographic sheet material and process for its preparation |
(57) The present invention relates to an electrophotographic sheet material suitable for
use as an offset printing master, which comprises a cellulosic base material having
an electrical resistivity not exceeding about 10" ohms/sq.cm, a continuous film of
cellulose nitrate on said base material, a photoconductive layer on the surface of
said film remote from the interface between said base material and said film; and
to a process for the preparation of the sheet material.