Compositions – Electrolytes for electrical devices
Patent
1973-05-29
1976-04-13
Padgett, Benjamin R.
Compositions
Electrolytes for electrical devices
252385, C04B 4300
Patent
active
039502597
ABSTRACT:
A thermal insulation composition is described which is dry, free-flowing, granular, and has a thermal conductivity approximately that of dry still air. The composition contains two granular siliceous materials and a granular opacifier. The first siliceous material is coarser and denser, and provides the principal bulk density of the final mixture. The second siliceous material is quite fine, and provides the principal free-flowing properties of the mixture. In a preferred embodiment a third siliceous material is also included to increase the overall surface area.
REFERENCES:
patent: 2808338 (1957-10-01), Bruno et al.
patent: 2882254 (1959-04-01), Kloepfer et al.
patent: 3055831 (1962-09-01), Barnett et al.
patent: 3169927 (1965-02-01), Matsch
patent: 3176354 (1965-04-01), Blau et al.
Fischer Donald J.
Pallo John M.
Johns-Manville Corporation
Krone Robert M.
McClain James W.
Miller E. A.
Padgett Benjamin R.
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