The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 22, 1988
Filed:
Jan. 15, 1986
Michel-Jean Moncheaux, Compiegne, FR;
Francois de Toytot, Thourotte, FR;
Saint-Gobain Vitrage, Aubervilliers, FR;
Abstract
A process for the production of a safety pane comprising a sheet of glass and at least one polyurethane-based layer having energy-absorbent properties. The polyurethane-based layer having energy-absorbent properties is formed directly on the sheet of glass by the reactive injection, under a pressure between 2 and 10 bars, between said sheet of glass and a rigid countermold, of a reactive mixture of an isocyanate component having a viscosity under 5000 centipoises at 40 degrees C. and a polyalcohol component, with the isocyanate component containing at least one aliphatic or cycloaliphatic diisocyanate, or a prepolymer of these isocyanates, with the polyalcohol component containing at least one long difunctional polyalcohol having a molecular mass between 500 and 4000 and at least one short diol as a chain extending agent.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile