1
Gene H Shipman: Microporous sheet material, method of making and articles made therewith. Minnesota Mining and Manufacturing Co, Donald M Sell, James A Smith, Richard Francis, September 3, 1985: US04539256 (304 worldwide citation)

A method of making a microporous material is provided which comprises the steps of melt blending crystallizable thermoplastic polymer with a compound which is miscible with the thermoplastic polymer at the melting temperature of the polymer but phase separates on cooling at or below the crystallizat ...


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Larry D Monroe, William P Wood: Abrasive grits formed of ceramic containing oxides of aluminum and rare earth metal, method of making and products made therewith. Minnesota Mining and Manufacturing Co, Donald M Sell, Walter N Kirn, Richard Francis, November 21, 1989: US04881951 (274 worldwide citation)

Ceramic abrasive grits comprising alpha alumina and at least about 0.5 percent by weight rare earth metal oxide are prepared by combining alumina hydrate and rare earth metal oxide or its precursors to produce a blend, drying the blend to produce a dried solid, crushing the dried solid to produce gr ...


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Laurence R Gilbert, Andrew J Ouderkirk: Metal-coated multilayer mirror. Minnesota Mining and Manufacturing Co, Gary L Griswold, Walter N Kirn Jr, Stephen W Buckingham, December 16, 1997: US05699188 (240 worldwide citation)

A metal-coated multilayer mirror having high reflectivity and high specularity. The mirror comprises a multilayered polymer film and a reflective metal layer. The multilayered polymer film preferably comprises layers of a crystalline, semi-crystalline, or liquid crystalline material, such as a napht ...


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James N Kellen, Charles W Taylor: Pressure-sensitive adhesive crosslinked by copolymerizable aromatic ketone monomers. Minnesota Mining and Manufacturing Co, Donald M Sell, James A Smith, Dale E Hulse, April 12, 1988: US04737559 (202 worldwide citation)

A pressure-sensitive adhesive is provided which is a copolymer of an acrylate monomer which contributes to the visco-elastic properties of the copolymer and a copolymerizable mono-ethylenically unsaturated aromatic ketone comonomer free of ortho-aromatic hydroxyl groups by means of which the copolym ...


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Steven B Heinecke: Adhesive frame bandage. Minnesota Mining and Manufacturing Co, Gary L Griswold, Walter N Kirn, Dale A Bjorkman, February 18, 1992: US05088483 (177 worldwide citation)

An adhesive composite is provided which consists of a conformable backing, a pressure-sensitive adhesive which is coated on at least a portion of the bottom surface of the backing, a permanent adhesive reinforcement which acts as reinforcing means for the backing, coated on the bottom surface of the ...


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Steven B Heinecke: Reservoir wound dressing. Minnesota Mining and Manufacturing Co, Donald M Sell, James A Smith, Carolyn A Bates, February 19, 1985: US04499896 (160 worldwide citation)

A wound dressing for wounds having a significant amount of exudate comprising a conformable, moisture vapor-permeable, liquid water-impermeable first layer containing at least one hole therein through which exudate can pass, and an imperforate, conformable, liquid water-permeable, moisture vapor-per ...


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Roland Winston, Robert L Holman, Benjamin A Jacobson, Robert M Emmons, Philip Gleckman: Tapered multilayer luminaire devices. Minnesota Mining and Manufacturing Co, Reinhart Boerner Van Deuren Norris & Rieselbach, June 18, 1996: US05528720 (140 worldwide citation)

An optical device for collecting light and selectively outputting or concentrating the light. A wedge layer has an optical index of refraction n.sub.1, and top, bottom and side surfaces intersecting to define an angle of inclination .phi.. A back surface spans the top, bottom and side surface. A fir ...


9
Henry A Larmie: Abrasive grain containing alumina and zirconia. Minnesota Mining and Manufacturing Co, September 3, 1996: US05551963 (137 worldwide citation)

A method of preparing preferred abrasive grain includes: preparing a dispersion including alpha alumina oxide monohydrate and zirconia sol therein; converting the dispersion to base grit material; and sintering the base grit to form abrasive grains. The presence of the zirconia sol within the disper ...


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Roland Winston, Robert L Holman, Benjamin A Jacobson, Robert M Emmons: Luminaire device. Minnesota Mining and Manufacturing Co, Reinhart Boerner Van Deuren Norris & Rieselbach s c, January 14, 1997: US05594830 (136 worldwide citation)

An optical device for collecting light and selectively outputting or concentrating the light. A wedge layer has an optical index of refraction n.sub.1, and top, bottom and side surfaces intersecting to define an angle of inclination .phi.. A back surface spans the top, bottom and side surface. A fir ...