Class 442/298 - Including a bituminous layer

Subclass of Class 442 - Fabric (woven, knitted, or nonwoven textile or cloth, etc.)
Definition: Subject matter wherein at least one layer is disclosed as
No. of patents: 1
Last issue date: 05/02/2006

Number	Title	Issue Date
7037864	Integral waterproofing membrane An integrated waterproofing membrane is provided which comprises a performed waterproofing material layer covered on one major face with a adherent impervious material liner, and on the other major face with an adherent porous support sheet. The integral waterproofi...	05/02/2006

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