C
CHEMISTRY; METALLURGY
C
CHEMISTRY; METALLURGY
C01
INORGANIC CHEMISTRY
C01
INORGANIC CHEMISTRY
C01B
NON-METALLIC ELEMENTS; COMPOUNDS THEREOF;; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
C01B
NON-METALLIC ELEMENTS; COMPOUNDS THEREOF;; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
C01B32/00
Carbon; Compounds thereof
C01B32/00
Carbon; Compounds thereof
C01B32/30
Active carbon
C01B32/30
Active carbon
C01B32/312
Preparation
C01B32/312
Preparation
C01B32/336
characterised by gaseous activating agents
C01B32/336
characterised by gaseous activating agents