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Expired
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Eva Weidinger
Hirsch Kahn
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Individual
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Individual
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Publication of GB190728117ApublicationCriticalpatent/GB190728117A/en
28,117. Weidinger, E., and Kahn, H. Dec. 20. Non-conducting coverings and compositions.- Insulating and weather-, water-, and acid-proof plates &c. are made by a cold process from asbestos, clay, and water-glass. Colouring-matter; powdered stone, and india-rubber solution may be used in addition. For example, 350 grams of fine china clay, 20 grams of disintegrated asbestos, and 50 grams of stone dust, all dry, are mixed with concentrated water-glass solution and pressed to the desired form.
GB190728117D1907-12-201907-12-20An Improved Method of Manufacturing Artificial Plates for Insulating and other Purposes.
ExpiredGB190728117A
(en)