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 | | .~.~ With metal, metal oxide, or metal hydroxide {8} |
241 | DF | .~.~.~> Of Group VII (i.e., Mn, Tc or Re) |
242 | DF | .~.~.~> Of Group IV (i.e., Ti, Zr, Hf, Ge, Sn or Pb) |
243 | DF | .~.~.~> Of Group I (i.e., Alkali, Ag, Au or Cu) {1} |
246 | DF | .~.~.~> Of Group V (i.e., V, Nb, Ta, As, Sb or Bi) {2} |
250 | DF | .~.~.~> Of Group II (i.e., alkaline earth, Be, Mg, Zn, Cd or Hg) {2} |
254 | DF | .~.~.~> Of Group VI (i.e., Cr, Mo, W or Po) {2} |
258 | DF | .~.~.~> Of Group VIII (i.e., iron or platinum group) {3} |
263 | DF | .~.~.~> Of Group III or lanthanide group (i.e., Sc, Y, Al, Ga, In, Tl, or atomic number 57 to 71 inclusive) |