Mineral oils: processes and products – Chemical conversion of hydrocarbons – Cracking
Reexamination Certificate
2005-06-28
2009-12-15
Caldarola, Glenn (Department: 1797)
Mineral oils: processes and products
Chemical conversion of hydrocarbons
Cracking
C208S110000, C208S176000, C422S110000
Reexamination Certificate
active
07632395
ABSTRACT:
A method and apparatus for metering catalyst in a fluid catalytic cracking catalyst injection system are provided. In one embodiment, apparatus for metering catalyst in a fluid catalytic cracking catalyst injection system includes a low pressure storage vessel coupled to a pressure vessel that defines a high pressure side of the apparatus, where the determination of the amount of catalyst transferred is made on the low pressure side of the apparatus.
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Caldarola Glenn
Chowdhury Tanzina
Intercat Equipment, Inc.
Patterson & Sheridan LLP
Singh Prem C.
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