CPC Subgroup
C01B 32/26 Preparation (by using ultra-high pressure B01J3/06; by crystal growth C30B29/04)
Full Title
Carbon; Compounds thereof (C01B21/00, C01B23/00 take precedence; percarbonates C01B15/10; carbon black C09C1/48) > Diamond > Preparation (by using ultra-high pressure B01J3/06; by crystal growth C30B29/04)