Membrane permeable to frangrances and other products

Details Membrane permeable to frangrances and other products Membrane permeable to frangrances and other products

1995-06-07

1998-09-08

Thibodeau, Paul J.

Stock material or miscellaneous articles

Hollow or container type article

Nonself-supporting tubular film or bag

156243, 15624425, 156246, 239 6, 239 43, 26417319, 264213, 428 357, 428 418, 428212, 428515, 428516, 428905, A61L 912, B32B 2732, B65D 1700

Patent

active

058042644

ABSTRACT:
A multilayer permeable membrane with a release layer for the packaging of aromatic condensation products. The permeable membrane has a first layer comprising low density polyethylene, a second layer comprising ultra low density polyethylene and a third layer comprising low density polyethylene. The release layer is adhered to the first layer and may be peeled away from the permeable membrane to expose the membrane and provide for the controlled release of vapors over a period of time.

REFERENCES:
patent: 4145011 (1979-03-01), Weyenberg et al.
patent: 4849606 (1989-07-01), Martens, III et al.
patent: 4886690 (1989-12-01), Davis et al.
patent: 5491019 (1996-02-01), Kuo

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