US PATENT SUBCLASS 423 / 455
.~.~.~.~ Specified injection velocity

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}
455.~.~.~.~ Specified injection velocity

DEFINITION

Classification: 423/455

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

(2) Note. The term "feed material" under this definition is not limited to the hydrocarbon being decomposed to result in the carbon; it also includes atomizing, heating, combustion or carrier gas, fuel, heat exchange medium, etc.