US PATENT SUBCLASS 423 / 457
.~.~.~.~.~ At least one radial inlet

Current as of: June, 1999
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423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

414  DF  CARBON OR COMPOUND THEREOF {3}
445 R  DF  .~ Elemental carbon {7}
449.1  DF  .~.~ Carbon black (e.g., lampblack) {6}
450  DF  .~.~.~ Directly from fluid hydrocarbon only {6}
456  DF  .~.~.~.~ Specified injection angle (e.g., helical, tangential, etc.) {1}
457.~.~.~.~.~ At least one radial inlet

DEFINITION

Classification: 423/457

(under subclass 456) Processes in which at least one feed material enters the reaction zone in a direction which, if extended would intersect the longitudinal axis.