Patent ID: 9517596
Filing Date: 2016-12-13
CPC Classification: B09B,B29D,B32B,Y02W,Y10T

Claim Text:
1. A containment liner comprising: a first felt geotextile layer comprising polypropylene fibers, polyester fibers, or a combination thereof; a second felt geotextile layer comprising polypropylene fibers, polyester fibers, or a combination thereof covering at least a portion of the first felt geotextile layer; a first liquid impermeable polymeric barrier layer between the first and second felt geotextile layers partially embedded into the first felt geotextile layer, wherein the first partially embedded polymeric barrier layer extends into the first felt geotextile layer at least 5 percent of a thickness of the first felt geotextile layer and a distance of from 3 to 30 mil; a second polymeric barrier layer embedded in the second felt geotextile layer; and an intermediate layer comprising a continuous, liquid impermeable polymeric layer between the first and second polymeric barrier layers.