US PATENT SUBCLASS 585 / 465
.~.~.~ B trifluoride in a complex or with additional nonhydrocarbon agent

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

400  DF  AROMATIC COMPOUND SYNTHESIS {15}
446  DF  .~ By condensation of entire molecules or entire hydrocarbyl moieties thereof, e.g., alkylation, etc. {13}
462  DF  .~.~ Using halogen-containing catalyst {3}
465.~.~.~ B trifluoride in a complex or with additional nonhydrocarbon agent

DEFINITION

Classification: 585/465

B trifluoride in a complex or with additional nonhydrocarbon agent:

(under subclass 462) Subject matter in which the catalyst is a complex of boron trifluoride or a mixture of boron trifluoride with a material containing atoms other than only

carbon and hydrogen.

(1) Note. The complex may be inorganic, e.g., BF3.H2O, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

464, for an aromatic alkylation process utilizing HF with an additional effective agent which may contain, boron, e.g., HF+BF3, etc.