with gases containing free hydrogen

Full Title

Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts > Reducing > with gases containing free hydrogen

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Subclass:

CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS