| abstract |
A finely perforated sheet of nonwoven fabric composed of nylon and cotton having a width and length of the order of 8 and 11 inches, respectively, is folded six times into superposed plies that are impregnated with a scented liquid, for example, water and lime fragrance, and enclosed between heat-sealed sheets each of which comprises an innermost layer of vinyl compound, on one side of a layer of aluminum on the other side of which is a coating of polyethylene which has an outer layer of cellophane, the resulting packet being capable of withstanding high temperatures to 420* F. for 20 minutes and low temperatures to 38* F. for 10 minutes. |