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:
Jun. 09, 1987
Filed:
Aug. 25, 1986
Applicant:
Inventors:
Jean L Bravet, Thourotte, FR;
Daniel Colmon, Thourotte, FR;
Gerard Daude, Villeneuve D Oron, FR;
Michel J Moncheaux, Compiegne, FR;
Assignee:
Saint-Gobain Vitrage, Courbevoir, FR;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B29C / ; C09K / ; C08G / ;
U.S. Cl.
CPC ...
156246 ; 252182 ; 26433119 ; 528 59 ; 528 61 ; 156 99 ; 428412 ; 4284231 ; 4284244 ; 4284256 ;
Abstract
Preformed, energy-absorbing, scratch resistant, optical, flexible, and self-healing polyurethane sheets, which are adhesive under the influence of heat and pressure; bilayer glazing laminates and bilayer safety windshields including said sheets; wherein said polyurethane sheet is prepared preferably by reactive-casting on a horizontal support and formed preferably from a polyisocyanate monomer including about 2 to about 10 wt. % of urea groups.