DIFF Subgroup
B01J 27/049 with iron group metals or platinum group metals
Introduced: January 1985
Full Title
Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds > Sulfur, selenium or tellurium; Compounds thereof > Sulfides > with chromium, molybdenum, tungsten or polonium > with iron group metals or platinum group metals
No child classifications to compare. This is a leaf node in both IPC and CPC.