| (84) |
Designated Contracting States: |
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AT BE CH DE DK ES FR GB IE IT LI LU NL PT SE |
| (30) |
Priority: |
04.11.1994 US 19940334291
|
| (71) |
Applicant: BetzDearborn Inc |
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Trevose, PA 19053-6783 (US) |
|
| (72) |
Inventors: |
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- GERHOLD, Robert, M.
Wheeling, IL 60090 (US)
- LABINE, Paul, U.
Naperville, IL 60563 (US)
- HWA, Chih, M.
Palatine, IL 60047 (US)
- FAN, Grace, L.
Lake Zurich, IL 60047 (US)
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| (74) |
Representative: W.P. Thompson & Co. |
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Coopers Building, Church Street Liverpool L1 3AB Liverpool L1 3AB (GB) |
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