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:
Dec. 03, 1985
Filed:
Sep. 30, 1982
Applicant:
Inventors:
Franz Kraemling, Aachen, DE;
Achim Muller, Herzogenrath, DE;
Ludwig Linden, Aachen, DE;
Helmer Raedisch, Aachen, DE;
Assignee:
Saint Gobain Vitrage, Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428216 ; 428412 ; 4284256 ; 428437 ; 428430 ; 428911 ; 428913 ; 528 49 ;
Abstract
A plastic adhesive layer used as an insert layer in laminated glasses and the laminated glasses containing the insert layer, the adhesive layer comprising a polyfunctional polyol component and a polyfunctional isocyanate component, wherein the polyol component is present in considerable excess and the numerical ratio of the isocyanate groups to the hydroxyl groups is between 0.2 and 0.6. The adhesive layer is particularly useful in soundproofing glasses and in safety glasses such as bulletproofing glasses.