US PATENT SUBCLASS 585 / 729
.~.~.~.~.~ H halide

Current as of: June, 1999
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585 /   HD   CHEMISTRY OF HYDROCARBON COMPOUNDS

700  DF  SATURATED COMPOUND SYNTHESIS {11}
709  DF  .~ By condensation of a paraffin molecule with an olefin-acting molecule, e.g., alkylation, etc. {11}
721  DF  .~.~ Using extraneous nonhydrocarbon agent {6}
727  DF  .~.~.~ Al halide {1}
728  DF  .~.~.~.~ With additional nonhydrocarbon agent {1}
729.~.~.~.~.~ H halide

DEFINITION

Classification: 585/729

H halide:

(under subclass 728) Subject matter wherein hydrogen chloride, bromide, or iodide is an additional agent.

SEE OR SEARCH THIS CLASS, SUBCLASS:

721, for an alkylation process wherein a hydrogen chloride, bromide, or iodide is used alone or in admixture with another catalyst not specified in any of the preceding subclasses.

723+, for an alkylation process employing HF as an extraneous agent.