Thermoplastic single ply protective covering

Details Thermoplastic single ply protective covering Thermoplastic single ply protective covering

2005-03-08

2005-03-08

Ahmad, Nasser (Department: 1772)

Stock material or miscellaneous articles

Layer or component removable to expose adhesive

C428S040300, C428S041300, C428S041500, C428S147000, C428S354000, C428S35500R, C428S356000, C525S236000, C525S237000, C525S240000, C525S258000

Reexamination Certificate

active

06863944

ABSTRACT:
Improved single ply, water proof roof coverings having an extruded pressure sensitive rubber-based adhesive backing for attachment to a substrate such as the roof of a building or a transport vehicle, the adhesive comprising a thermoplastic rubber containing at least 25% butyl rubber in combination with polyisobutylene and low molecular weight polybutene.

REFERENCES:
patent: 4780350 (1988-10-01), O'Connor
patent: 4897293 (1990-01-01), Thessen
patent: 5242727 (1993-09-01), Briddell et al.
patent: 6297324 (2001-10-01), Briddell
patent: 6316088 (2001-11-01), Ogawa et al.

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