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