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:
Jan. 05, 1982
Filed:
Oct. 16, 1980
Tadayuki Ohmae, Niihama, JP;
Yoshinori Kanno, Niihama, JP;
Sumitomo Chemical Company, Limited, Osaka, JP;
Abstract
A laminated safety glass comprising at least two glass plates and an interlayer, said interlayer comprising a crosslinked product of a hydration reaction product of an ethylene copolymer comprising (1) 60 to 95% by weight of ethylene, (2) 5 to 40% by weight of glycidyl acrylate or methacrylate, (3) 0 to 20% by weight of one or more comonomer selected from the group consisting of a vinyl ester having 4 to 10 carbon atoms and an ester of acrylic or methacrylic acid with an alcohol having 1 to 12 carbon atoms, said hydration reaction product having a hydration rate of epoxy group of preferably 5 to 80% by mole, more preferably 30 to 70% by mole.