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IPC Subgroup
A62D 3/3

by reacting with chemical agents

Introduced: January 2007

Full Title

Processes for making harmful chemical substances harmless, or less harmful, by effecting a chemical change in the substances > by reacting with chemical agents

Classification Context

Section:
HUMAN NECESSITIES
Class:
LIFE-SAVING; FIRE-FIGHTING
Subclass:
CHEMICAL MEANS FOR EXTINGUISHING FIRES; PROCESSES FOR MAKING HARMFUL CHEMICAL SUBSTANCES HARMLESS, OR LESS HARMFUL, BY EFFECTING A CHEMICAL CHANGE; COMPOSITION OF MATERIALS FOR COVERINGS OR CLOTHING FOR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; COMPOSITION OF MATERIALS FOR TRANSPARENT PARTS OF GAS-MASKS, RESPIRATORS, BREATHING BAGS OR HELMETS; COMPOSITION OF CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS

7 direct subcodes

Child Classifications

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  • A62D 3/32 by treatment in molten chemical reagent, e.g. salts or metals
  • A62D 3/33 by chemically fixing the harmful substance, e.g. by chelation or complexation
  • A62D 3/34 Dehalogenation using reactive chemical agents able to degrade
  • A62D 3/35 by hydrolysis
  • A62D 3/36 Detoxification by using acid or alkaline reagents
  • A62D 3/37 by reduction, e.g. hydrogenation
  • A62D 3/38 by oxidation; by combustion