US 11,806,270 B2
High barrier elastomer fecal catheter or ostomy pouch
Mingliang Lawrence Tsai, Holmdel, NJ (US); and Tinh Nguyen-Demary, Bridgewater, NJ (US)
Assigned to ConvaTec Technologies Inc., Las Vegas, NV (US)
Filed by ConvaTec Technologies Inc., Las Vegas, NV (US)
Filed on Nov. 24, 2021, as Appl. No. 17/534,550.
Application 17/534,550 is a continuation of application No. 16/186,003, filed on Nov. 9, 2018, granted, now 11,191,661.
Application 16/186,003 is a continuation of application No. 14/005,814, granted, now 10,166,137, issued on Jan. 1, 2019, previously published as PCT/US2012/029375, filed on Mar. 16, 2012.
Claims priority of provisional application 61/453,667, filed on Mar. 17, 2011.
Prior Publication US 2022/0087850 A1, Mar. 24, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61F 5/441 (2006.01); A61F 5/445 (2006.01); A61L 28/00 (2006.01); A61L 29/02 (2006.01); A61L 29/04 (2006.01); A61L 29/08 (2006.01); A61L 29/12 (2006.01); A61L 29/14 (2006.01)
CPC A61F 5/441 (2013.01) [A61F 5/445 (2013.01); A61L 28/003 (2013.01); A61L 28/0026 (2013.01); A61L 28/0069 (2013.01); A61L 28/0092 (2013.01); A61L 29/02 (2013.01); A61L 29/049 (2013.01); A61L 29/085 (2013.01); A61L 29/126 (2013.01); A61L 29/14 (2013.01); A61L 2300/64 (2013.01); A61L 2400/12 (2013.01); A61L 2420/04 (2013.01)] 20 Claims
 
1. A soft odor barrier material in a medical device, the soft odor barrier material comprising an elastomer and an antiblocking agent that imparts an interior rough surface having an arithmetic mean surface roughness (Ra) not less than 0.1 μm.