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US 11,806,446 B2Granted
Odor barrier film
AssigneeHollister Incorporated
InventorsMoh-Ching Oliver Chang, George J. Cisko
Life of this patent
Estimating the term…
Abstract
A multilayer film for ostomy and bowel management applications includes a barrier layer comprising at least about 90% wt. nylon 6/69. The multilayer film provides excellent mechanical and odor barrier properties, and softness and quietness desired in ostomy and bowel management applications.
Claims18
A multi-layer, chlorine-free film for ostomy and bowel management applications, comprising:
- a barrier layer having first and second sides, the barrier layer comprising a low melt polyamide resin having a melting temperature between about 125° C. and about 135° C. present in a concentration of about 90 percent to about 100 percent by weight (% wt.) of the barrier layer, the barrier layer being substantially impermeable to malodor causing compounds;
- and
- first and second outer layers, wherein each outer layer is arranged on a respective side of the barrier layer.
A multi-layer, chlorine-free film for ostomy and bowel management applications, comprising:
- a barrier layer having first and second sides, the barrier layer comprising a low melt polyamide resin having a melting temperature between about 125° C. and about 135° C. present in a concentration of greater than about 75 percent by weight (% wt.) of the barrier layer, the barrier layer being substantially impermeable to malodor causing compounds;
- and
- first and second outer layers, wherein each outer layer is arranged on a respective side of the barrier layer.
Dependencies are inferred from the claim text.