| (84) |
Designated Contracting States: |
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AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE
SI SK TR |
| (30) |
Priority: |
20.10.2004 US 970743
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| (43) |
Date of publication of application: |
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31.05.2006 Bulletin 2006/22 |
| (73) |
Proprietor: Afton Chemical Corporation |
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Richmond, VA 23219 (US) |
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| (72) |
Inventors: |
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- Gatto, Vincent J.
Baton Rouge
Louisiana 70810 (US)
- Loper, John T.
Richmond
Virginia 23238 (US)
- Liesen, Gregory P.
Mechanicsville
Virginia 23111 (US)
|
| (74) |
Representative: Cresswell, Thomas Anthony |
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J.A. KEMP & CO.
14 South Square Gray's Inn
London
WC1R 5JJ Gray's Inn
London
WC1R 5JJ (GB) |
| (56) |
References cited: :
EP-A- 1 371 716 GB-A- 2 053 266 GB-A- 2 053 268 US-A- 4 261 843
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GB-A- 2 053 265 GB-A- 2 053 267 GB-A- 2 064 548 US-B1- 6 362 355
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