US PATENT SUBCLASS 423 / 462
HALOGEN OR COMPOUND THEREOF

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

462HALOGEN OR COMPOUND THEREOF {10}
463  DF  .~> Plural metal or metal and ammonium containing {1}
466  DF  .~> Plural diverse halogens containing
467  DF  .~> Sulfur containing {2}
470  DF  .~> Ammonium halide {1}
472  DF  .~> Ternary compound {3}
477  DF  .~> Chlorine dioxide {1}
481  DF  .~> Hydrogen halide {4}
489  DF  .~> Binary fluorine containing compound {1}
491  DF  .~> Binary compound containing metal {6}
500  DF  .~> Elemental halogen {6}

DEFINITION

Classification: 423/462

(under the class definition) Products or processes in which the product is a nonmetallic element of Group VII A of the periodic system having atomic numbers 9, 17, 35, or 53, or a compound thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

249, for astatine (Atomic No. 85), which is the radioactive member of the halogens, and compounds 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 halogens, oxygen, sulfur, and metals.