US PATENT SUBCLASS 502 / 203
.~.~ Boron halide

Current as of: June, 1999
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502 /   HD   CATALYST, SOLID SORBENT, OR SUPPORT THEREFOR: PRODUCT OR PROCESS OF MAKING

100  DF  CATALYST OR PRECURSOR THEREFOR {12}
202  DF  .~ Boron or compound containing same {3}
203.~.~ Boron halide

DEFINITION

Classification: 502/203

Boron halide:

(under subclass 202) Composition in which the boron is chemically united to a halogen as set out in the list at the beginning of the schedule.