Special receptacle or package – Infusion containing
Patent
1991-11-12
1992-12-15
Price, William I.
Special receptacle or package
Infusion containing
2065248, 206823, 239 55, F17G 1300
Patent
active
051708868
ABSTRACT:
A package consisting of a hermetically sealed ensemble in plastic material, under vacuum, intended for containing devices for perfuming or purifying ambient air or closed spaces, said devices having a wall of polymeric material for diffusing active odoriferous substances, the package being characterized in that said devices therein-contained are joined side by side by superposition, under subatmospheric pressure, of the surfaces of their diffusion walls.
REFERENCES:
patent: 3578545 (1971-05-01), Carson et al.
patent: 3717303 (1973-02-01), Daeninckx et al.
patent: 4161283 (1979-07-01), Hyman
patent: 4285468 (1981-08-01), Hyman
patent: 4576283 (1986-03-01), Fafournoux
patent: 4634614 (1987-01-01), Holzner
patent: 4798288 (1989-01-01), Holzner
Firmenich S.A.
Price William I.
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