DIFF Subgroup
C10G 45/12 containing crystalline alumino-silicates, e.g. molecular sieves
Introduced: January 1980
Full Title
Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds > to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing > characterised by the catalyst used > containing crystalline alumino-silicates, e.g. molecular sieves
No child classifications to compare. This is a leaf node in both IPC and CPC.