US PATENT SUBCLASS 502 / 332
.~.~.~ And Group III metal containing (i.e., Sc, Y, Al, Ga, In or Tl)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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.~.~.~ And Group III metal containing (i.e., Sc, Y, Al, Ga, In or Tl) {4}
333  DF  .~.~.~.~> Of palladium
334  DF  .~.~.~.~> Of platinum
335  DF  .~.~.~.~> Of nickel
336  DF  .~.~.~.~> Of iron

DEFINITION

Classification: 502/332

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

(under subclass 325) Composition additionally containing a metal of Group III as listed at the beginning of the schedule, free or as the oxide or hydroxide.