US PATENT SUBCLASS 502 / 248
.~.~.~.~.~ And Group VI metal (i.e., Cr, Mo., W or Po)

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}
232  DF  .~ Silicon containing or process of making {2}
240  DF  .~.~ With metal, metal oxide, or metal hydroxide {8}
246  DF  .~.~.~ Of Group V (i.e., V, Nb, Ta, As, Sb or Bi) {2}
247  DF  .~.~.~.~ Of vanadium {1}
248.~.~.~.~.~ And Group VI metal (i.e., Cr, Mo., W or Po)

DEFINITION

Classification: 502/248

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

(under subclass 247) Composition which also includes a group VI metal, metal oxide or Hydroxide.