US PATENT SUBCLASS 423 / 449.1
.~.~ Carbon black (e.g., lampblack)

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.~.~ Carbon black (e.g., lampblack) {6}
449.2  DF  .~.~.~> Treating carbon black {3}
449.6  DF  .~.~.~> Utilizing synthetic polymer as reactant {1}
449.8  DF  .~.~.~> Solid material in feed
450  DF  .~.~.~> Directly from fluid hydrocarbon only {6}
449.9  DF  .~.~.~> Liquid feed only
459  DF  .~.~.~> From carbon monoxide infeed to process

DEFINITION

Classification: 423/449.1

Carbon black (e.g., lampblack):

(under subclass 445) Products or processes wherein the product is a finely divided carbon particulate.

SEE OR SEARCH CLASS

264, Plastic and Nonmetallic Article Shaping or Treating: Processes,

84, for processes of molding with high pressure generated by an explosive force.

425, Plastic Article or Earthenware Shaping or Treating: Apparatus,

77, for apparatus making diamonds by applying ultra high pressure.