Glass composition

Details Glass composition Glass composition

2007-11-13

2007-11-13

Lorengo, J. A. (Department: 1755)

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

C501S055000, C501S066000, C501S059000

Reexamination Certificate

active

10781326

ABSTRACT:
A glass composition of the present invention relates to a multicomponent oxide glass composition manufactured by melting glass raw materials, which contains: 10 ppm or more of at least one type of a polyvalent element; minimum valence cations of the polyvalent element in a ratio of the minimum valence cation content to the total polyvalent element content of 5 to 98% in mass ratio; and 0.01 to 2 μl/g (0° C., 1 atm) of helium.

REFERENCES:
patent: 3622296 (1971-11-01), Buehl
patent: 3929440 (1975-12-01), Oldfield
patent: 2004/0091798 (2004-05-01), Moore et al.
patent: 2005/0209083 (2005-09-01), Takagi et al.
patent: 2006/0101859 (2006-05-01), Takagi et al.
patent: 06-293523 (1994-10-01), None
patent: 11-035338 (1999-02-01), None
patent: 2000-128549 (2000-05-01), None
patent: 2000-247647 (2000-09-01), None
patent: 2001-220149 (2001-08-01), None
patent: 2003300750 (2003-10-01), None
patent: WO 2003066539 (2003-08-01), None
Derwent Abstract 2003-618544. Abstract of US 2005/0209083, WO 2003/066539, and JP 2003-300750.
Table from “Valences of the Elements” from the http://chemistry.about.com/library/weekly/aa122002a.htm web article, article date Dec. 20, 2002.

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