US PATENT SUBCLASS 423 / 511
SULFUR OR COMPOUND THEREOF

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

511SULFUR OR COMPOUND THEREOF {4}
512.1  DF  .~> Oxygen containing {11}
560  DF  .~> Ternary compound containing hydrogen and metal (e.g., hydrosulfide, etc.)
561.1  DF  .~> Binary compound {7}
567.1  DF  .~> Elemental sulfur {5}

DEFINITION

Classification: 423/511

(under the class definition) Products or processes wherein the product is sulfur or a compound thereof.

SEE OR SEARCH CLASS

588, Hazardous or Toxic Waste Destruction or Containment, appropriate subclasses for the destruction or containment of hazardous or toxic waste containing sulfur, halogen, nitrogen, and metals.