US PATENT SUBCLASS 423 / 565
.~.~ Utilizing free sulfur as reactant

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

511  DF  SULFUR OR COMPOUND THEREOF {4}
561.1  DF  .~ Binary compound {7}
565.~.~ Utilizing free sulfur as reactant

DEFINITION

Classification: 423/565

(under subclass 561.1) Processes including the step of reacting elemental sulfur in making the product.