| (84) |
Designated Contracting States: |
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AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
| (30) |
Priority: |
22.04.2002 US 374398 P
|
| (43) |
Date of publication of application: |
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19.01.2005 Bulletin 2005/03 |
| (73) |
Proprietor: Alcoa Inc. |
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Pittsburgh, PA 15212-5858 (US) |
|
| (72) |
Inventors: |
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- SCOTT, Darwin, H. DI
(US)
- KILMER, Raymond J.,
c/o Alcoa Mill Products, Inc.
Lancaster, PA 17601 (US)
- DOUGHERTY, Joseph R.,
c/o American Inks and Coat. Corp
Valley Forge, PA 19482 (US)
- ANTHONY, Robert P.,
c/o American Inks and Coat. Corp
Valley Forge, PA 19482 (US)
|
| (74) |
Representative: Barton, Matthew Thomas et al |
|
Forresters
Skygarden
Erika-Mann-Strasse 11 80636 München 80636 München (DE) |
| (56) |
References cited: :
EP-A- 0 552 567 EP-A- 1 127 653 JP-A- 60 098 691 US-A- 5 156 326
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EP-A- 0 980 738 JP-A- 54 082 342 US-A- 4 228 214
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