US PATENT SUBCLASS 422 / 150
.~ Pigment or carbon black producer

Current as of: June, 1999
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422 /   HD   CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING

129  DF  CHEMICAL REACTOR {28}
150.~ Pigment or carbon black producer {4}
151  DF  .~.~> With means injecting quench stream into reaction chamber downstream of reaction site
152  DF  .~.~> With particulate product collecting surface and means mechanically removing product therefrom {1}
156  DF  .~.~> With plural sequential reaction zones or chambers {1}
158  DF  .~.~> Vapor phase reaction type

DEFINITION

Classification: 422/150

Pigment or carbon black producer:

(under subclass 129) Apparatus wherein the reactor is specifically adapted for the chemical generation of pigmentary product; e.g., TiO2 etc., or carbon black.

SEE OR SEARCH CLASS

204, Chemistry: Electrical and Wave Energy,

173, for chemical preparation of carbon by using an electrostatic field or electrical discharge.

205, Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions,

615+, for electrolytic synthesis of carbon or other nonmetal elements and subclass 768 for electrolytic treatment of a solid containing free carbon.