Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2006-09-05
2006-09-05
Solola, Taofiq (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
active
07102022
ABSTRACT:
A method for the start-up of a process for the epoxidation of an olefin, which method comprisescontacting a catalyst bed comprising a silver-based highly selective epoxidation catalyst, or a precursor of the catalyst comprising the silver in cationic form, with a feed comprising oxygen at a temperature of the catalyst bed above 260° C. for a period of at most 150 hours, andsubsequently decreasing the temperature of the catalyst bed to a value of at most 260° C., and a process for the epoxidation of an olefin, which process, comprisescontacting a catalyst bed comprising a silver-based highly selective epoxidation catalyst, or a precursor of the catalyst comprising the silver in cationic form, with a feed comprising oxygen at a temperature of the catalyst bed above 260° C. for a period of at most 150 hours, andsubsequently decreasing the-temperature of the catalyst bed to a value of at most 260° C. and contacting the catalyst with the feed comprising the olefin and oxygen.
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Evans Wayne Errol
Lockemeyer John Robert
Rekers Dominicus Maria
Te Raa Arend Jan
Wermink Thijs
Shell Oil Company
Solola Taofiq
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