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:
Jul. 15, 1986
Filed:
Dec. 27, 1984
Hiroshi Washita, Yokohama, JP;
Kaoru Oguro, Yokohama, JP;
Asahi Glass Company Ltd., Tokyo, JP;
Abstract
Laminated safety glass having an at least two-layered structure comprising an inorganic glass layer and a synthetic resin layer, and having an inorganic glass surface on one side and a synthetic resin surface on the other side, characterized in that the major portion of the synthetic resin layer comprises a polyurethane type thermoplastic resin, said polyurethane type thermoplastic resin being a resin obtained from a high molecular weight diol composed of a combination of from 40 to 70% by weight of a poly(1,6-hexylene carbonate)diol and from 30 to 60% by weight of a polyester diol, a chain extender, and a non-yellowing type diisocyanate compound, as essential starting materials.