C CHEMISTRY; METALLURGY
C01 INORGANIC CHEMISTRY
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF;; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
C01B32/00 Carbon; Compounds thereof
C01B32/15 Nano-sized carbon materials
C01B32/158 Carbon nanotubes
C01B32/168 After-treatment
C01B32/174 Derivatisation; Solubilisation; Dispersion in solvents