Compositions: ceramic – Ceramic compositions – Glass compositions – compositions containing glass other than...
Patent
1994-11-03
1995-11-21
Group, Karl
Compositions: ceramic
Ceramic compositions
Glass compositions, compositions containing glass other than...
501 69, 501 70, C03C 3078
Patent
active
054686938
ABSTRACT:
The present invention relates to the production of lead-free glasses exhibiting densities of at least 2.9 g/cm.sup.3 and refractive indices of at least 1.545 which consist essentially, in weight percent, of
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Chemical Abstracts, vol. 115, No. 6, 12 Aug. 1991, Columbus, Ohio; abstract No. 55421m, p. 364 & JP-A-3 012 337 (Nippon Electric Glass Co., Ltd.) 21 Jan. 1991.
Chemical Abstracts, vol. 111, No. 12, 18 Sep. 1989, Columbus, Ohio; abstract No. 101885y, p. 292; & JP-A-1 103 993 (Nippon Electric Glass Co., Ltd.) 21 Apr. 1989.
Corning Incorporated
Group Karl
Janes Jr. Clinton S.
Nwaneri Angela N.
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