Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – By c content reduction – e.g. – cracking – etc.
Reexamination Certificate
2007-03-22
2010-11-09
Singh, Prem C (Department: 1797)
Chemistry of hydrocarbon compounds
Unsaturated compound synthesis
By c content reduction, e.g., cracking, etc.
C585S648000, C585S650000, C208S128000, C208S129000, C208S130000, C208S132000
Reexamination Certificate
active
07829752
ABSTRACT:
A process for making lower olefins from a heavy hydrocarbon feed by use of a combination of thermal cracking and vapor-liquid separation, and, then, pyrolytically cracking the light fraction of the thermally-cracked heavy hydrocarbon feed to thereby produce a lower olefin product.
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Baumgartner Arthur James
Ngan Danny Yuk-Kwan
Shell Oil Company
Singh Prem C
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