ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
C07C0006120000 of exclusively hydrocarbons containing a six-membered aromatic ring 1
C07C0007000000 Purification, separation or; stabilisation of hydrocarbonsUse of additives 1
C07C0007040000 by distillation 1
C07C0007050000 with the aid of auxiliary compounds 1
C07C0007060000 by azeotropic distillation 1
C07C0007080000 by extractive distillation 1
C07C0007090000 by fractional condensation 1
C07C0007100000 by extraction, i.e. purification or separation of liquid hydrocarbons with the aid of liquids 1
C07C0007110000 by absorption, i.e. purification or separation of gaseous hydrocarbons with the aid of liquids 1
C07C0007120000 by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers 1
C07C0007130000 by molecular-sieve technique 1
C07C0007135000 by gas-chromatography 1
C07C0007140000 by crystallisation; Purification or separation of the crystals 1
C07C0007144000 using membranes, e.g. selective permeation 1
C07C0007148000 by treatment giving rise to a chemical modification of at least one compound 1