ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
C07C0045810000 by change in the physical state, e.g. crystallisation 1
C07C0045820000 by distillation 1
C07C0045830000 by extractive distillation 1
C07C0045840000 by azeotropic distillation 1
C07C0045850000 by treatment giving rise to a chemical modification 1
C07C0045860000 Use of additives, e.g. for stabilisation 1
C07C0045870000 Preparation of ketenes or dimeric ketenes 1
C07C0045880000 from ketones 1
C07C0045890000 from carboxylic acids, their anhydrides, esters or halides 1
C07C0045900000 Separation; Purification; Stabilisation; Use of additives 1
C07C0046000000 Preparation of quinones 1
C07C0046020000 by oxidation giving rise to quinoid structures 1
C07C0046040000 of unsubstituted ring carbon atoms in six-membered aromatic rings 1
C07C0046060000 of at least one hydroxy group on a six-membered aromatic ring 1
C07C0046080000 with molecular oxygen 1