ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
C07C0037520000 by splitting polyaromatic compounds, e.g. polyphenolalkanes 1
C07C0037540000 by hydrolysis of lignin or sulfite waste liquor 1
C07C0037560000 by replacing a carboxyl or aldehyde group by a hydroxy group 1
C07C0037580000 by oxidation reactions introducing directly a hydroxy group on a CH-group belonging to a six-membered aromatic ring with the aid of molecular oxygen 1
C07C0037600000 by oxidation reactions introducing directly a hydroxy group on a CH-group belonging to a six-membered aromatic ring with the aid of other oxidants than molecular oxygen or their mixtures with molecular oxygen 1
C07C0037620000 by introduction of halogen; by substitution of halogen atoms by other halogen atoms 1
C07C0037640000 Preparation of O-metal compounds with the O-metal group linked to a carbon atom belonging to a six-membered aromatic ring 1
C07C0037660000 by conversion of hydroxy groups to O-metal groups 1
C07C0037680000 Separation; Purification; Stabilisation; Use of additives 1
C07C0037700000 by physical treatment 1
C07C0037720000 by liquid-liquid treatment 1
C07C0037740000 by distillation 1
C07C0037760000 by steam distillation 1
C07C0037780000 by azeotropic distillation 1
C07C0037800000 by extractive distillation 1