with contents and the propellant being fully mixed on, or prior to, first use, e.g. by breaking an ampoule containing one of those components

Full Title

Containers or packages with special means for dispensing contents (dispensing means incorporated in closures B65D47/00) > Containers for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant > Dispensing two or more contents > initially separated and subsequently mixed > with contents and the propellant being fully mixed on, or prior to, first use, e.g. by breaking an ampoule containing one of those components