| (84) |
Designated Contracting States: |
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DE FR GB NL |
| (30) |
Priority: |
12.01.2002 US 46109
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| (43) |
Date of publication of application: |
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10.11.2004 Bulletin 2004/46 |
| (73) |
Proprietor: Saudi Basic Industries Corporation |
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Riyadh 11422 (SA) |
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| (72) |
Inventor: |
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- LE, Vinh, N.
Riyadh 11422 (SA)
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| (74) |
Representative: Krijgsman, Willem et al |
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SABIC Europe
Patent Department
P.O.Box 3008 6160 GA Geleen 6160 GA Geleen (NL) |
| (56) |
References cited: :
EP-A- 0 715 886 US-A- 2 778 610 US-A- 5 071 627
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DE-C- 859 297 US-A- 3 289 644
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- PATENT ABSTRACTS OF JAPAN vol. 009, no. 317 (C-319), 12 December 1985 (1985-12-12)
& JP 60 153936 A (BABCOCK HITACHI KK), 13 August 1985 (1985-08-13)
- PATENT ABSTRACTS OF JAPAN vol. 013, no. 273 (C-609), 22 June 1989 (1989-06-22) & JP
01 067246 A (MITSUBISHI ELECTRIC CORP), 13 March 1989 (1989-03-13)
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