Her Majesty the Queen in Right of Canada, as Represented by the Minister

Minister of National Defence of Her Majesty's Canadian Government

James A Wheat

William A Armstrong

Rolland P Fuoco

J Kimberley Dix

A fire-retardant air and water vapor permeable foam material resistant to passage therethrough of noxious chemicals in liquid or vapor form is described. The foam material is typically an open-cell polyurethane foam including a particulate adsorbent, organic binder and a solid water-insoluble fire-retardant dispersed in the foam. The foam material is bonded on at least one side to an air and water vapor permeable fabric to form a fire-retardant laminate material suitable for the manufacture of various protective garments.

Flame retardant foam material

The invention disclosed relates to a novel paper composition for use as a separator material in electrical batteries. The paper composition 30-50%/w of glass fibers and 70-59%/w of a co-polymer of vinyl chloride and vinyl acetate.

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Ottawa, Canada

James A Wheat