| (19) |
 |
|
(11) |
EP 0 414 509 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
02.10.1991 Bulletin 1991/40 |
| (43) |
Date of publication A2: |
|
27.02.1991 Bulletin 1991/09 |
| (22) |
Date of filing: 22.08.1990 |
|
| (51) |
International Patent Classification (IPC)5: B41M 5/28 |
|
| (84) |
Designated Contracting States: |
|
AT BE CH DE ES FR GB IT LI NL SE |
| (30) |
Priority: |
24.08.1989 US 398031
|
| (71) |
Applicant: APPLETON PAPERS INC. |
|
Appleton
Wisconsin 54912 (US) |
|
| (72) |
Inventor: |
|
- Kalishek, Robert J.
Appleton,
Wisconsin 54911 (US)
|
| (74) |
Representative: Farwell, William Robert et al |
|
PHILLIPS & LEIGH
7 Staple Inn
High Holborn
London WC1V 7QF
London WC1V 7QF (GB) |
|
| |
|
| (54) |
Heat sensitive record material |
(57) Heat sensitive record material in which microcapsules of a polyisocyanate/active
hydrogen compound reaction product comprise a chromogenic-material; microcapsules
as such.