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US 4,741,961 AGranted
Polyurethane-based adhesive coating or film, and use of same in laminated glass panes
AssigneeSaint-Gobain Vitrage
InventorsKurt C. Frisch, Daniel Klempner, Helmer Radisch, Gerhard Holzer
Life of this patent
Estimating the term…
Abstract
A transparent adhesive coating or film based on polyurethane. A polyurethane formed from at least one aliphatic or cycloaliphatic diisocyanate, at least one polyol chosen from among the polyether diols, the polycaprolactone diols, the polycarbonate diols, and the polybutadiene diols, and at least one bifunctional chain-lengthening agent containing an aromatic nucleus.
Claims14
A transparent adhesive polyurethane-based coating or film usable in laminated glass panes;
- wherein the polyurethane is formed from at least one aliphatic or cycloaliphatic diisocyanate, at least one polyol chosen from among the polyether diols, the polycaprolactone diols, the polycarbonate diols, and the polybutadiene diols, and at least one bifunctional chain-lengthening agent containing an aromatic nucleus.
Dependencies are inferred from the claim text.