US PATENT SUBCLASS 502 / 216
.~ Sulfur or compound containing same

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.~ Sulfur or compound containing same {3}
217  DF  .~.~> Sulfate {1}
219  DF  .~.~> And Group VI metal containing (i.e., Cr, Mo, W or Po) {2}
222  DF  .~.~> And Group VIII metal containing (i.e., iron or platinum group) {1}

DEFINITION

Classification: 502/216

Sulfur or compound containing same:

(under subclass 100) Composition including element 16, either free or chemically combined.