US PATENT SUBCLASS 502 / 341
.~.~.~ 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}
340  DF  .~.~ Of Group II (i.e., alkaline earth, Be, Mg, Zn, Cd or Hg) {2}
341.~.~.~ And Group III metal containing (i.e., Sc, Y, Al, Ga, In or Tl) {1}
342  DF  .~.~.~.~> Of zinc

DEFINITION

Classification: 502/341

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

(under subclass 340) Composition in which there is also a metal from Group III as listed at the beginning of the

schedule.