Glass manufacturing – Processes – Sol-gel or liquid phase route utilized
Reexamination Certificate
2004-06-25
2008-11-18
Griffin, Steven P. (Department: 1791)
Glass manufacturing
Processes
Sol-gel or liquid phase route utilized
Reexamination Certificate
active
07451619
ABSTRACT:
In the production of an organic-inorganic hybrid glassy material using raw materials which are used in a sol-gel process as starting materials, the present invention relates to a process for producing an organic-inorganic hybrid glassy material, which is characterized in that, there is a heating reaction step between a mixing step and a melting step of the starting materials and there is further an aging step after the melting step. In accordance with the present invention, an organic-inorganic hybrid glassy material satisfying both heat resistance as well as airtight property and low-melting characteristic, which has been believed to be very difficult to produce, is now able to be produced in a very shorter period than before.
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Kuniyoshi Minoru
Takahashi Masahide
Yoko Toshinobu
Central Glass Company Limited
Crowell & Moring LLP
Dehghan Queenie
Griffin Steven P.
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