US PATENT SUBCLASS 502 / 219
.~.~ And Group VI metal containing (i.e., Cr, Mo, W or Po)

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}
216  DF  .~ Sulfur or compound containing same {3}
219.~.~ And Group VI metal containing (i.e., Cr, Mo, W or Po) {2}
220  DF  .~.~.~> Molybdenum containing
221  DF  .~.~.~> And Group VIII metal containing (i.e., iron or platinum group)

DEFINITION

Classification: 502/219

And Group VI metal containing (i.e., Cr, Mo, W or Po):

(under subclass 216) Composition including a group VI metal as listed at the beginning of the schedule, free or chemically combined.