| (84) |
Designated Contracting States: |
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AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
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Designated Extension States: |
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AL LT LV MK RO SI |
| (30) |
Priority: |
12.12.2000 US 254845 P
|
| (71) |
Applicant: ETHYL CORPORATION |
|
RichmondVirginia 23219 (US) |
|
| (72) |
Inventors: |
|
- ROOS, Joseph, W.
Richmond, VA 23116 (US)
- OPENSHAW, Martin, J.
KingsclereHampshire, RG20 4SY (GB)
- SCULL, Herbert, M.
Mechanicsville, VA 23111 (US)
- MEFFERT, Michael, W.
Midlothian, VA 23112 (US)
|
| (74) |
Representative: Cresswell, Thomas Anthony |
|
J.A. KEMP & CO.14 South SquareGray's Inn London WC1R 5JJ London WC1R 5JJ (GB) |
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