C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
261/19, 261/2
C03C 11/00 (2006.01)
Patent
CA 1250600
Abstract of the Disclosure The present invention is concerned with the preparation of glass microfoams and gas-ceramics having compositions selected from the systems of SiO2-Al2O3- B2O3-RO-R2O, SiO2-Al2O3(B2O3)-P2O5-Li2O-[ZrO2(TiO2)], and SiO2-P2O5-B2O3-[RO], wherein RO is selected from the group of MgO, CaO, SrO, BaO, and ZnO, and R2O is selected from the group of alkali metal oxides. The foams comprise hydrogen-containing cells produced through the inclusion in the batch of a hydrogen- generating agent selected from the group of ammonium salts and/or a combination of amines and/or carbohydrates and/or hydrocarbons with phosphates.
525550
Beall George H.
Macdowell John F.
Corning Glass Works
Gowling Lafleur Henderson Llp
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