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PCE
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DIFF Subgroup
C07C 17/38

Separation; Purification; Stabilisation; Use of additives

Introduced: September 1968

Full Title

Preparation of halogenated hydrocarbons > Separation; Purification; Stabilisation; Use of additives

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

Child Classifications

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  • C07C 17/389 by adsorption on solids since 1995 IPC+CPC Available in IPC and CPC
  • C07C 17/392 by crystallisation; Purification or separation of the crystals since 1995 IPC+CPC Available in IPC and CPC
  • C07C 17/395 by treatment giving rise to a chemical modification of at least one compound since 1995 IPC+CPC Available in IPC and CPC
  • C07C 17/42 Use of additives, e.g. for stabilisation IPC+CPC Available in IPC and CPC