2 results for “Owens-Corning Fiberglas”
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Patent · August 6, 1968
Method of ore sorting based on differential infrared emission (US Patent 3,395,793, 1968)
…It was assigned to Colonial Sugar Refining Co Ltd. The patent's description opens: This invention relates generally to the sorting of rocks containing minerals of relatively low thermal absorptivity (as hereinafter defined) from barren rocks…
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Patent · October 10, 1967
Method of rendering asbestos ore particles differentially fluorescent (US Patent 3,346,111, 1967)
…111 on October 10, 1967, filed November 10, 1965. It was assigned to Colonial Sugar Refining Co Ltd. The patent's description opens: This invention relates to the sorting of rocks containing asbestos from barren rocks.