Patent · US Expired

Polyurethane-based adhesive coating or film, and use of same in laminated glass panes

US4741961A · kind A · utility

41Cited by

5References

14Claims

0Family size

Assignee

Saint-Gobain Vitrage · FR

Inventors

Kurt C. Frisch · Midland, US
Daniel Klempner · Warren, US
Helmer Radisch · Aachen, DE
Gerhard Holzer · Aachen, DE

Key dates

Filing date	Feb 26, 1986
Grant date	May 3, 1988
Priority date	—
Expiry date	Feb 26, 2006

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31601
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.