A
SECTION A — HUMAN NECESSITIES
  
HEALTH; AMUSEMENT
 A62
LIFE-SAVING; FIRE-FIGHTING (ladders E06C)
 A62D
CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
 A62D 1/00
Fire-extinguishing compositions; Use of chemical substances in extinguishing fires (fireproof paints C09D 5/18; fireproofing materials C09K 21/00)
 A62D 1/02
·  containing or yielding a gas phase, e.g. foams (A62D 1/06, A62D 1/08 take precedence)  [3]
 A62D 1/04
·  ·  characterised by the foam stabiliser  [3]
 A62D 1/06
·  containing gas-producing, chemically-reactive components  [3]
 A62D 1/08
·  containing volatile or gas-charged liquids  [3]
 A62D 3/00
Chemical means for combating harmful chemical agents; Processes for making harmful chemical agents harmless (chemical purification of waste gases, e.g. smoke, fumes, flue gases, engine exhaust gases B01D 53/34; treatment of sewage or waste water C02F)
 A62D 5/00
Composition of materials for coverings or clothing affording protection against harmful chemical agents
 A62D 7/00
Composition of materials for transparent parts of gas-masks, respirators, breathing bags, or helmets
 A62D 7/02
·  Clear-view sheets which prevent the formation of water drops or ice (materials for minimising adherence of ice or water to surfaces C09K 3/18)
 A62D 9/00
Composition of chemical substances for use in breathing apparatus (production of oxygen-generating compounds in general, processes for the production of oxygen from chemicals in general C01B 13/00, C25B 1/02)