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Application filed by Shell Int ResearchfiledCriticalShell Int Research
Priority claimed from US09/048,036external-prioritypatent/US6143838A/en
Publication of HUP0002810A2publicationCriticalpatent/HUP0002810A2/en
Publication of HUP0002810A3publicationCriticalpatent/HUP0002810A3/en