US PATENT SUBCLASS 502 / 209
.~.~ And vanadium containing

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
209.~.~ And vanadium containing

DEFINITION

Classification: 502/209

And vanadium containing:

(under subclass 208) Composition additionally including element number 23, free or chemically combined.