US PATENT SUBCLASS 502 / 320
.~.~.~.~ And Group III metal containing (i.e., Sc, Y, Al, Ga, In or Tl)

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}
300  DF  .~ Metal, metal oxide or metal hydroxide {10}
305  DF  .~.~ Of Group VI (i.e., Cr, Mo, W or Po) {8}
319  DF  .~.~.~ Of chromium {1}
320.~.~.~.~ And Group III metal containing (i.e., Sc, Y, Al, Ga, In or Tl)

DEFINITION

Classification: 502/320

And Group III metal containing (i.e., Sc, Y, Al, Ga, In or Tl):

(under subclass 319) Composition which additionally includes Sc, Y, Al, Ga, In, or Tl.