US PATENT SUBCLASS 502 / 331
.~.~.~.~ Copper containing


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}
330  DF  .~.~.~ And Group I metal containing (i.e., alkali, Ag, Au or Cu) {1}
331.~.~.~.~ Copper containing


DEFINITION

Classification: 502/331

Copper containing:

(under subclass 330) Composition in which the metal is element number 29.