| (19) |
 |
|
(11) |
EP 0 015 133 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
15.10.1980 Bulletin 1980/21 |
| (43) |
Date of publication A2: |
|
03.09.1980 Bulletin 1980/18 |
| (22) |
Date of filing: 19.02.1980 |
|
|
| (84) |
Designated Contracting States: |
|
DE FR GB |
| (30) |
Priority: |
20.02.1979 JP 1875079
|
| (71) |
Applicant: Mitsubishi Paper Mills, Ltd. |
|
() |
|
|
| |
|
| (54) |
Pressure sensitive copying system |
(57) A pressure sensitive copying system having comparatively uniform thickness and resistant
to smudging, which is suitable for spot-coated copying sheets such as chit is obtained
by disposing a color forming components layer on tne layer of a microcapsule protective
agent which has been provided all over the paper sheet, at least one of the components
being enclosed in microcapsules.