IPC Definitions - January 01, 2012

A62D - Definition fr

Definition statement

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

Informative references

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.