US PATENT SUBCLASS 423 / 543
.~.~.~ Burning sulfur

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

511  DF  SULFUR OR COMPOUND THEREOF {4}
512.1  DF  .~ Oxygen containing {11}
539  DF  .~.~ Sulfur dioxide {4}
543.~.~.~ Burning sulfur

DEFINITION

Classification: 423/543

(under subclass 539) Processes including the step of causing the element sulfur to be combusted with a flame.