US PATENT SUBCLASS 423 / 456
.~.~.~.~ Specified injection angle (e.g., helical, tangential, etc.)

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.~.~.~.~ Specified injection angle (e.g., helical, tangential, etc.) {1}
457  DF  .~.~.~.~.~> At least one radial inlet

DEFINITION

Classification: 423/456

(under subclass 450) Processes in which the angle of entry into the reaction zone of any feed material associated with the process is specifically stated.

(1) Note. The term "feed material" under this definition is not limited to the hydrocarbon being decomposed; it also includes any material associated in any manner with the process, e.g., atomizing, heating, combustion, or carrier gas, fuel, etc.