US PATENT SUBCLASS 502 / 212
.~.~.~.~ And bismuth 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}
208  DF  .~ Phosphorus or compound containing same {4}
210  DF  .~.~ And Group VI metal (i.e., Cr, Mo, W or Po,) {1}
211  DF  .~.~.~ Molybdenum {1}
212.~.~.~.~ And bismuth containing

DEFINITION

Classification: 502/212

And bismuth containing:

(under subclass 211) Composition which also includes element number 83, free or chemically combined.