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PCE
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CPC Subgroup
B01J 38/42

using halogen-containing material

Full Title

Regeneration or reactivation of catalysts, in general > Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst > using halogen-containing material

2 direct subcodes

Child Classifications

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  • B01J 38/44 and adding simultaneously or subsequently free oxygen; using oxyhalogen compound
  • B01J 38/46 fluorine-containing