IPC Definitions - January 01, 2012
A62D - Definition
This subclass covers:
Compositions:
Use of chemical substances in extinguishing fires.
Chemical, bio-chemical or physico-chemical processes for chemically altering harmful chemical substances into safe or less dangerous substances.
References relevant to classification in this subclass
This subclass does not cover:
Fire prevention, fire containment or fire fighting, e.g. portable extinguishers or fire-fighting vehicles | A62C |
Attention is drawn to the following places, which may be of interest for search:
Fireproof paints | C09D 5/18 |
Fireproofing materials | C09K 21/00 |
Special rules of classification
Multiple classification
When enzymes or microorganisms are used within processes fully provided for in subclass A62D in order to liberate, separate or purify a preexisting compound or composition or to treat or clean textiles or solid material surfaces, they should also be classified in subclass C12S based upon its Note (1) to provide a complete search.