Chemistry of hydrocarbon compounds – Purification – separation – or recovery – By addition of extraneous agent – e.g. – solvent – etc.
Reexamination Certificate
2008-01-01
2008-01-01
Caldarola, Glenn (Department: 1764)
Chemistry of hydrocarbon compounds
Purification, separation, or recovery
By addition of extraneous agent, e.g., solvent, etc.
C585S809000, C585S833000, C502S343000, C502S345000
Reexamination Certificate
active
07314965
ABSTRACT:
Catalysts for the purification of ethylene containing copper and zinc, optionally one or more promoters or supports. These catalysts are produced by precipitation, drying, calcination and compression, optionally with the addition of additives, the compressed catalyst particles are calcinated at a temperature between from 300 to 700° C.
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Miesen Ernest
Pöpel Wolfgang Jürgen
Vorberg Gerald
BASF - Aktiengesellschaft
Bullock In Suk
Caldarola Glenn
Novak Druce & Quigg LLP
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