C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
154/119
C09J 7/04 (2006.01) E04B 1/66 (2006.01) E06B 1/62 (2006.01)
Patent
CA 1259020
Abstract There is described a preformed roll shaped structure which comprises a first sheet-like paper substrate with a release coating on one side. A waterproofing pressure sensitive adhesive membrane is permanently attached to the other side. A second substrate is provided along and adjacent one edge of the first substrate, which second substrate has a release coating on both surfaces and is removably adhered to the pressure sensitive adhesive membrane.
507450
May Basil J.
Smart & Biggar
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