| (19) |
 |
|
(11) |
EP 0 333 335 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
14.11.1990 Bulletin 1990/46 |
| (43) |
Date of publication A2: |
|
20.09.1989 Bulletin 1989/38 |
| (22) |
Date of filing: 23.02.1989 |
|
| (51) |
International Patent Classification (IPC)4: B41M 5/26 |
|
| (84) |
Designated Contracting States: |
|
AT BE CH DE ES FR GB IT LI LU NL SE |
| (30) |
Priority: |
17.03.1988 GB 8806314
02.06.1988 GB 8813041
|
| (71) |
Applicant: ZENECA LIMITED |
|
London W1Y 6LN (GB) |
|
| (72) |
Inventors: |
|
- McClelland, Robert David
Norden
Rochdale
Lancashire OL11 5TL (GB)
- Parton, Brian
Bury
Lancashire BL8 1EJ (GB)
- Schofield, John David
Greenmount
Bury
Lancashire BL8 4HB (GB)
- Price, Roger Vernon
Runcorn
Cheshire (GB)
|
| (74) |
Representative: Giles, David Eric et al |
|
ICI Group Patents Services Dept.
PO Box 6
Shire Park
Bessemer Road
Welwyn Garden City
Herts, AL7 1HD
Welwyn Garden City
Herts, AL7 1HD (GB) |
|
| |
|
| (54) |
Thermal transfer material |
(57) A thermal transfer sheet comprising a substrate having thereon a coating comprising
a dispersion of a finely-divided pigment in a medium comprising at least 90% by weight
of a halogenated hydrocarbon having a chlorine content of at least 65% by weight and
a softening point of at least 50°C.