A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
165/29
A61L 9/04 (2006.01) A61L 9/12 (2006.01)
Patent
CA 1119946
2-11506/AUS 835 Dispensing System for Vapors of a Volatile Odor-Controlling Material Abstract of the Disclosure A system for the controlled release of air treating material comprising a hydrophilic membrane forming part of the wall of a reservoir containing an air-treating ingredient in aqueous medium, the membrane serving as the means for releasing vapors of the ingredient and water vapor to the atmosphere and for controlling the rate of release. The release is practically constant, and fractionation of components of the air-treating ingredient and of the latter and water is reduced or practically eliminated.
318523
Kleiner Eduard K.
Lee Ping I.
Airwick Industries Inc.
Fetherstonhaugh & Co.
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