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US 6,553,887 B1Granted
Foam formulations
AssigneeHer Majesty the Queen in right of Canada, as represented by the Solicitor General acting through the Commissioner of the Royal Canadian Mounted Police
InventorsJohn G. Bureaux, George Cowan, Edward N. Cundasamy, J. Garfield Purdon
Life of this patent
Estimating the term…
Abstract
The invention disclosed relates to a foam-forming composition, for suppression/containment of blast from explosive devices. The composition comprises, a) a surfactant 40-80% w/w b) a foam stabilizer 0-7% w/w c) a polyalkylene glycol 10-30% w/w d) water, balance to 100%.
Claims19
A foam-forming composition comprising,
- (a) a surfactant . . . 40-80%/w/w
- (b) a foam stabilizer . . . 0-7%/w/w
- (c) a polyalkyleneglycol . . . 10-30%/w/w
- (d) water . . . balance to 100%
- wherein the polyalkyleneglycol has the formula R1—(OCH(CH3)CH2)n—OR2, where R1 and R2 are independently H, an alkyl, or an esther group and n>1, wherein the alkyl group may be methyl, ethyl, propyl, butyl group or a mixture thereof;
- or is a partially etherified derivative of the same formula R1—(OCH(CH3)CH2)n—OR2, wherein one of R1 or R2 is independently H, or an alkyl group and n>1 and the alkyl group representing R1 or R2 may be a methyl, ethyl, propyl, butyl group or a mixture thereof.
3 more elements
Dependencies are inferred from the claim text.