B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
154/139
B32B 25/14 (2006.01) B32B 33/00 (2006.01) C09K 21/14 (2006.01) E04B 1/94 (2006.01) E04D 5/10 (2006.01)
Patent
CA 1302222
- 23 - ABSTRACT OF THE DISCLOSURE A fire retardant composite roofing material comprising an upper layer of a fire retardant EPDM material and a lower layer of a non-fire retardant EPDM material, wherein this composite material is a cured sheet membrane, a vulcanizable flashing material, or non-vulcanizing flashing material. w:\reh\r707131o/m
567759
Hoff James L.
Wasitis William A.
Firestone Tire & Rubber Company (the)
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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