US PATENT SUBCLASS 423 / 93
.~.~.~ Pressurizing or agitating during reaction

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

1  DF  TREATING MIXTURE TO OBTAIN METAL CONTAINING COMPOUND {15}
89  DF  .~ Group IVA metal (Ge, Sn, or Pb) {5}
92  DF  .~.~ Forming insoluble substance in liquid {3}
93.~.~.~ Pressurizing or agitating during reaction

DEFINITION

Classification: 423/93

(under subclass 92) Processes in which a chemical reaction takes place while the pressure on the mixture is higher than atmospheric or while the mixture is agitated or vibrated.

(1) Note. Agitation or vibration can be effected by any means, e.g., mechanical, sonic, fluid, etc. Pressure increase can be effected by any means, e.g., submerged blast of a gas into a liquid or slurry mixture, pumping of the liquid or slurry mixture, increase in pressure of the gas space above a liquid surface, etc.