Dosing reservoir
AssigneeThe Procter & Gamble Company
InventorsDana Paul Gruenbacher, Kevin Joe Fields, Dean Arthur Zimmerman
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Abstract
A dosing reservoir for distributing an active compound in controlled amounts onto a target surface comprising a first impermeable layer and a second permeable layer facing and affixed to the first layer. A fluid tight cell with a frangible seal and containing an active compound is disposed between the first and second layers. When the frangible seal is ruptured, the active compound is released from the cell and is controllably released from the reservoir through the permeable layer.
Claims18
A dosing reservoir comprising:
- (a) a first impermeable layer;
- (b) a second permeable layer facing and affixed to said first layer;
- (c) a fluid tight cell containing an active compound disposed between said first and second layer;
- (d) said fluid tight cell having a frangible seal to release said active compound;
- and,
- wherein said active compound is controllably released from said reservoir through said permeable layer.
A dosing reservoir comprising:
- (a) a first fluid impermeable cell;
- (b) a second fluid permeable cell in communication with said first cell;
- and,
- (c) a frangible seal separating said first cell and said second cell;
- wherein an active compound contained within said first fluid impermeable cell is transported to said second fluid permeable cell in response to an application of a force to said first fluid impermeable cell, said force rupturing said frangible seal;
- and
- wherein said active compound is controllably released from said second fluid permeable cell.
A dosing reservoir comprising:
- (a) a first layer;
- (b) a second layer facing said first layer and forming a first cavity therebetween;
- (c) a third layer comprising a permeable membrane facing said second layer and forming a second cavity therebetween;
- and,
- (d) a frangible seal disposed between said first layer and said second layer;
- wherein an active compound disposed within said first cavity is released to said second cavity in response to a force rupturing said frangible seal;
- and
- wherein said active compound is controllably released from said second cavity through said permeable membrane.
Dependencies are inferred from the claim text.