B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
117/183, 117/240
B32B 11/04 (2006.01) B32B 13/04 (2006.01) B32B 33/00 (2006.01) C09J 7/02 (2006.01) E04D 5/10 (2006.01) E04D 5/12 (2006.01)
Patent
CA 2021765
ABSTRACT OF THE DISCLOSURE The present invention is directed to adhesive, waterproof membranes capable of adhering to freshly poured concrete compositions upon curing. The waterproof membranes of this invention comprise a bituminous sheet having at least one major surface coated with a non-tacky polymeric coating composition which contains a water- insoluble polymer, and optionally a filler capable of absorbing or reflecting infrared or ultra violet radiation and/or a plasticizer. Suitable water-insoluble polymers for use in this invention include alpha-beta-ethylenically unsaturated carboxylic acid polymers or polyvinyl alcohol polymers.
Cogliano Joseph Albert
Gowling Lafleur Henderson Llp
W.r. Grace & Co.,-Conn.
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