Multi-layer, multi-functional volatilizable substance delivery a

Details Multi-layer, multi-functional volatilizable substance delivery a Multi-layer, multi-functional volatilizable substance delivery a

1991-11-11

1992-08-18

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

4283055, 4283166, 428905, B32B 326

Patent

active

051398648

ABSTRACT:
Described are multi-layer, multi-functional volatilizable substance delivery articles. The articles are constructed in order to deliver, in sequentially-timed fashion, to the environment surrounding the article (e.g., atmosphere, or body of water) different fish feed attractants, repellents, combinations thereof, perfumes having different aroma profiles, insect repellents which repel different insects . . . during the day time hours and during the night time hours, air freshener-insect repellent combinations, perfume-air freshener combinations and the like. The article can be constructed where one of the layers is a gel layer and the matrix layer adjacent thereto is composed of perfume-containing particles which emit a fragrance in a sustained release fashion.

REFERENCES:
patent: 4429869 (1984-01-01), Munteanu et al.
patent: 4440542 (1984-04-01), Foley
patent: 4502234 (1985-03-01), Schaefer et al.
patent: 4521541 (1985-06-01), Rutherford et al.

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