US PATENT SUBCLASS 204 / 157.79
.~.~.~.~.~ Halogen containing

Current as of: June, 1999
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204 /   HD   CHEMISTRY: ELECTRICAL AND WAVE ENERGY

*  DD  PROCESSES AND PRODUCTS {7}
157.15  DF  .~ Processes of treating materials by wave energy {6}
157.6  DF  .~.~ Process or preparing desired organic product containing at least one atom other than carbon and hydrogen {16}
157.76  DF  .~.~.~ Sulfur product produced {3}
157.78  DF  .~.~.~.~ Oxygen containing {1}
157.79.~.~.~.~.~ Halogen containing

DEFINITION

Classification: 204/157.79

Halogen containing:

(under subclass 157.78) Subject matter wherein the sulfur and oxygen product produced also contains at least one halogen atom.

(1) Note. Patents with claims drawn to processes of

preparing sulfonyl halides or acid halides are included herein.

(2) Note. Halogen is limited to fluorine, chlorine, bromine, iodine and astatine.