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:
Aug. 01, 1995
Filed:
Sep. 30, 1993
Hiroshi Itoh, Kamakura, JP;
Takashi Abe, Yokohama, JP;
Hitoshi Yamashita, Kawasaki, JP;
Toshihiro Yoshimura, Kamakura, JP;
Takeshi Hisanaga, Matsusaka, JP;
Takao Takebayashi, Ise, JP;
Kunio Nakata, Matsusaka, JP;
Chikara Hashimoto, Ohmiya, JP;
Mitsui Toatsu Chemicals, Incorporated, Tokyo, JP;
Central Glass Company, Limited, Ube, JP;
Abstract
A fire-resistant glass comprising: (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, (b) a spacer provided between the plate-shaped vitreous materials at their peripheries via an adhesive, (c) a sealing agent adhered to the outer surface of the spacer, and (d) an aqueous gel filled into the space formed by the plate-shaped vitreous materials and the spacer, the aqueous gel comprising a poller 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.