Slow-release air freshener polymer-blend composition

Details Slow-release air freshener polymer-blend composition Slow-release air freshener polymer-blend composition

1975-02-18

1976-11-30

Turer, Richard B.

Fluid sprinkling, spraying, and diffusing

Slow diffusers

Liquid supply in absorbent or porous media only

252522, 260 318DR, 260876B, A24F 2500, A61L 904

Patent

active

039944395

ABSTRACT:
Slow-release air freshener compositions having favorable depletion characteristics comprise an odorant (perfume) intimately dispersed in a polymeric mixture comprising 10-50% by weight of a certain block copolymer, 2-10% by weight polystyrene and 30-50% by weight of ethylene vinyl acetate copolymer.

REFERENCES:
patent: 3567119 (1971-03-01), Wilbert et al.
patent: 3688985 (1972-09-01), Engel

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