US PATENT SUBCLASS 502 / 328
.~.~.~ And Group II metal containing (i.e., alkaline earth, Be, Mg, Zn, Cd or Hg)

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}
328.~.~.~ And Group II metal containing (i.e., alkaline earth, Be, Mg, Zn, Cd or Hg) {1}
329  DF  .~.~.~.~> Zinc containing

DEFINITION

Classification: 502/328

And Group II metal containing (i.e., alkaline earth, Be, Mg, Zn, Cd or Hg):

(under subclass 325) Composition which additionally includes an alkaline earth metal Be, Mg, Zn, Cd, or Hg.