| (84) |
Designated Contracting States: |
|
AT BE CH DE DK ES FR GB GR IT LI LU NL SE |
| (30) |
Priority: |
09.08.1990 GB 19900017479
|
| (71) |
Applicant: IMPERIAL CHEMICAL INDUSTRIES PLC |
|
London SW1P 3JF (GB) |
|
| (72) |
Inventors: |
|
- RATCLIFFE, Arnold Harry
Poynton, Cheshire SK10 1NN (GB)
- WILLIAMS, Emyr Glyn
Macclesfield, Cheshire SK11 8PL (GB)
|
| (74) |
Representative: Smith, Stephen Collyer, 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) |
|