Oblon, Spivak, McClelland, Maier & Neustaddt, P.C.
Fire-resistant glass and process for production thereof
 A fire-resistant glass comprising: PA1 (a) at least two plate-shaped vitreous materials arranged parallel and apart, the sides of the plate-shaped vitreous materials facing each other being treated with a silane coupling agent, PA1 (b) a spacer provided between the plate-shaped vitreous materials at their peripheries via an adhesive, PA1 (c) a sealing agent adhered to the outer surface of the spacer, and PA1 (d) an aqueous gel filled into the space formed by the plate-shaped vitreous materials and the spacer, the aqueous gel comprising a polymer of a particular (meth)acrylamide derivative, a particulate metal oxide, an aqueous medium and an antifreezing agent. This fire-resistant glass has an excellent fire-resistant property; is stable over a long period of time and is unsusceptible to deterioration. 
Central Glass Company, Limited Mitsui Toatsu Chemical Incorporated
Y Y Y Y Y E Y C B Y
Y10T Y10T Y10T Y10T Y10S E06B Y10S C09K B32B Y10S
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Kunio Takashi Chikara Hiroshi Hitoshi Toshihiro Takeshi Takao
Nakata Abe Hashimoto Itoh Yamashita Yoshimura Hisanaga Takebayashi