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Polysiloxane treated roofing granules
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Patent number 5,240,760
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Issue date Aug 31, 1993
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Minnesota Mining and Manufacturing Company
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Billy L. George
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Radiation curable cladding compositions
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Patent number 4,971,424
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Issue date Nov 20, 1990
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Minnesota Mining and Manufacturing Co.
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Stefan A. Babirad
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Polymer claddings for optical fibre waveguides
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Patent number 4,968,116
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Issue date Nov 6, 1990
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Minnesota Mining and Manufacturing Company
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Alan G. Hulme-Lowe
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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