6 results for “Owens-Illinois”
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Patent · August 31, 1948
Heat Insulation (US Patent 2,448,186, 1948)
…1942. It was assigned to Keasbey and Mattison Co. The patent's description opens (from the scanned text): This invention relates to heat insulation, and particularly to insulation adapted for use over a wide range of…
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Patent · June 22, 1937
Magnesia Insulation (US Patent 2,084,588, 1937)
…filed November 22, 1935. It was assigned to Johns Manville. The patent's description opens (from the scanned text): This invention relates to magnesia insulation, particularly to so-called 85% magnesia, and the method of making…
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Patent · October 5, 1943
Magnesium Basic Carbonate (US Patent 2,330,836, 1943)
…March 8, 1940. It was assigned to Keasbey and Mattison Co. The patent's description opens (from the scanned text): This invention relates to a magnesium basic carbonate of properties particularly suitable, for instance, in the…
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Patent · September 26, 1944
Magnesium Composition (US Patent 2,358,818, 1944)
…1940. It was assigned to Keasbey and Mattison Co. The patent's description opens (from the scanned text): This invention relates to the utilization of dolo-, mite and particularly to the separation of magnesium and calcium…
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Patent · October 25, 1949
Method of Forming Heat Insulation (US Patent 2,486,050, 1949)
…1944. It was assigned to Keasbey and Mattison Co. The patent's description opens (from the scanned text): This invention relates to heat insulation, and particularly to insulation adapted for use over a wide range of…
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Patent · April 4, 1944
Method of Preparing Insulating Material (US Patent 2,345,878, 1944)
…1939. It was assigned to Keasbey and Mattison Co. The patent's description opens (from the scanned text): This invention relates to molded heat insulation, such as 85% magnesia and other molded insulations such as those…