Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Including heat exchanger for reaction chamber or reactants...
Reexamination Certificate
2006-02-07
2006-02-07
Caldarola, Glenn (Department: 1764)
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Including heat exchanger for reaction chamber or reactants...
C422S198000, C422S201000, C422S202000, C422S205000, C422S211000, C422S312000, C422S081000, C422S140000, C422S161000, C422S162000
Reexamination Certificate
active
06994833
ABSTRACT:
In a shell-and-tube type reactor, the leakage between the upper and lower chambers is substantially decreased by tightly fitting the reaction tubes to the shield. The present invention provides a reactor for use in catalytic gas phase oxidation characterized by expanding reaction tubes to at least one groove formed in the reaction tube-fixing part of an intermediate tube sheet to form a shield, thereby forming plural of chambers with the intermediate tube sheet, and forming an expansion joint around the periphery of each of the chambers.
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Dodo Osamu
Kitaura Masatsugu
Mori Masakatsu
Nishimura Takeshi
Tanimoto Michio
Caldarola Glenn
Mathews, Sheperd, McKay & Bruneau, P.A.
Nippon Shokubai Co., LTD.
Wachtel Alexis
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