| (84) |
Designated Contracting States: |
|
AT BE CH DE DK ES FR GB GR IT LI LU NL SE |
| (30) |
Priority: |
22.01.1990 GB 19900001436 22.01.1990 GB 19900001437 12.04.1990 GB 19900008334 12.04.1990 GB 19900008335
|
| (71) |
Applicants: |
|
- EXXON CHEMICAL LIMITED
Southampton, Hampshire S09 2GW (GB)
- EXXON CHEMICAL PATENTS INC.
Florham Park New Jersey 07932 (US)
|
|
| (72) |
Inventors: |
|
- MALATESTA, Alberto
B-1180 Brussels 18 (BE)
- PIERRE, Christian
F-38400 S.-Martin-d'Hères BP 7110 (FR)
- COHARD, René
F-38400 S.-Martin-d'Hères BP 7110 (FR)
|
| (74) |
Representative: Bawden, Peter Charles, et al |
|
EXXON CHEMICAL LIMITED Exxon Chemical Technology Centre PO Box 1 Abingdon Oxfordshire OX13 6BB Abingdon Oxfordshire OX13 6BB (GB) |
|