Foam producing compositions

Claim 1

AN AAEROSOL CONTAINER PROVIDED WITH A FOAM-DISPENSING HEAD AND CONTAINING A HOMOGENEOUS LIQUID COMPOSITION FOR USE IN FORMING A FOAM, WHICH FOAM DOES NOT BECOME COMPLETELY LIQUIEFIED WHEN EXPOSED TO THE ATMOSPHERE FOR AT LEAST ABOUT 15 MINUTES BUT, WHEN DISTURBED, REVERTS QUICKLY TO A LIQUID, CONSISTING ESSENTIALLY OF, BY WEIGHT, (1) 26 TO 64% OF A MEMBER OF THE GROUP CONSISTING OF SATURATED ALIPHATIC MONOHYDRIC ALCOHOLS CONTAINING 1 TO 3 CARBON ATOMS AND DIALKYL KETONES IN WHICH THE ALKYL GROUPS CONTAIN 1 TO 3 CARBON ATOMS, (2) 28 TO 64% OF A MEMBER OF THE GROUP CONSISTING OF GLYCEROL, MONOALKYLENE GLYCOLS IN WHICH THE ALKYLENE GROUP CONTAINS 2 TO 4 CARBON ATOMS AND POLYALKYLENE GLYCOLS IN WHICH THE ALKYLENE GROUPS CONTAIN 2 TO4 CARBON ATOMS, (3) 0.5 TO 5% OF AN ORGANIC NON-IONIC SURFACE ACTIVE AGENT, AND (4) 2 TO 30% OF A PROPELLANT OF THE GROUP CONSISTING OF LIQUEFIED NORMALLY GAEOUS SATURATED ALIPHATIC HYDROCARBONS AND HALOGENATED SATURATED ALIPHATIC HYDROCARBONS, AND SURFACE ACTIVE AGENT BEING SOLUBLE IN ONE OF (1) AND (2) BUT NOT IN BOTH AND THE PROPELLANT BEING SOLUBLE IN ONE OF (1) AND (2) AND HAVING A SOLUBILITY NOT EXCEEDING 15% BY WEIGHT IN THE OTHER SOLVENT, SAID COMPOSITION BEING CONFINED IN THE CONTAINER UNDER THE VAPOR PRESSURE OF THE PROPPANTS.