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:
Nov. 18, 1986
Filed:
Dec. 05, 1980
Applicant:
Inventors:
Gerard Daude, Villeneuve d'Ornon, FR;
Philippe Girard, Evreux, FR;
Assignee:
Saint-Gobain Vitrage, Neuilly-sur-Seine, FR;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
4284233 ; 756 99 ; 756106 ; 52788 ; 52789 ; 4284231 ; 4284256 ; 428426 ;
Abstract
In the manufacture of a 2-ply sheet of the type which includes on one surface thereof a self-healing polymeric material and on the other surface an adhesive polymeric material capable of adhering at elevated temperatures to a glass or plastic surface, the improvement comprising forming said adhesive polymeric material from a blocked polyurethane or a water soluble or water dispersible polyurethane, and preferably from a polyurethane that has blocked NCO groups and is water soluble or water dispersible.