ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
C07C0273000000 Preparation of urea or its derivatives, i.e. compounds containing any of the groups the nitrogen atoms not being part of nitro or nitroso groups 1
C07C0273020000 of urea, its salts, complexes or addition compounds 1
C07C0273040000 from carbon dioxide and ammonia 1
C07C0273060000 from cyanamide or calcium cyanamide 1
C07C0273080000 from ammoniacal liquor 1
C07C0273100000 combined with the synthesis of ammonia 1
C07C0273120000 combined with the synthesis of melamine 1
C07C0273140000 Separation; Purification; Stabilisation; Use of additives 1
C07C0273160000 Separation; Purification 1
C07C0273180000 of substituted ureas 1
C07C0275000000 Derivatives of urea, i.e. compounds containing any of the groups the nitrogen atoms not being part of nitro or nitroso groups 1
C07C0275020000 Salts; Complexes; Addition compounds 1
C07C0275040000 having nitrogen atoms of urea groups bound to acyclic carbon atoms 1
C07C0275060000 of an acyclic and saturated carbon skeleton 1
C07C0275080000 being further substituted by halogen atoms, or by nitro or nitroso groups 1