US PATENT SUBCLASS 502 / 336
.~.~.~.~ Of iron


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}
325  DF  .~.~ Of Group VIII (i.e., iron or platinum group) {7}
332  DF  .~.~.~ And Group III metal containing (i.e., Sc, Y, Al, Ga, In or Tl) {4}
336.~.~.~.~ Of iron


DEFINITION

Classification: 502/336

Of iron:

(under subclass 332) Composition in which the additional metal is element number 26.