US PATENT SUBCLASS 585 / 727
.~.~.~ Al 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.~.~.~ Al halide {1}
728  DF  .~.~.~.~> With additional nonhydrocarbon agent {1}


DEFINITION

Classification: 585/727

Al halide:

(under subclass 721) Subject matter wherein the agent comprises an aluminum halide.

(1) Note. This subclass (727) is the locus for a process using, as a catalyst, an aluminum halide complexed with a hydrocarbon.

SEE OR SEARCH THIS CLASS, SUBCLASS:

728, for a process wherein the aluminum halide is used as a complex with an ether, etc.