US PATENT SUBCLASS 423 / 318
.~.~.~.~ Utilizing reactant containing silicon or carbon

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

299  DF  PHOSPHORUS OR COMPOUND THEREOF {5}
304  DF  .~ Oxygen containing {2}
316  DF  .~.~ Ternary compound containing hydrogen {1}
317  DF  .~.~.~ Orthophosphoric acid {3}
318.~.~.~.~ Utilizing reactant containing silicon or carbon

DEFINITION

Classification: 423/318

(under subclass 317) Processes which include the step of reacting silicon or carbon, or a compound thereof.