IPC Subgroup
C01B 3/506 at low temperatures
Introduced: January 2026
Full Title
Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen > Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification > at low temperatures
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- INORGANIC CHEMISTRY
- Subclass:
- NON-METALLIC ELEMENTS; COMPOUNDS THEREOF