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Larry D Monroe, William P Wood: Abrasive grits formed of ceramic containing oxides of aluminum and yttrium, method of making and using the same and products made therewith. Minnesota Mining and Manufacturing Company, Donald M Sell, Richard Francis, September 13, 1988: US04770671 (242 worldwide citation)

Ceramic abrasive grits comprising alpha alumina and at least about 0.5 percent by weight yttria are prepared by mixing an aqueous dispersion of alpha alumina monohydrate and yttrium compound, gelling the resultant mixture, drying the gel to produce a dried solid, crushing the dried material to produ ...


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John F Gerster, Roy T Knafla: Olefinic 1H-imidazo(4,5-c)quinolin-4-amines. Minnesota Mining and Manufacturing Company, Donald M Sell, Walter N Kirn, Robert W Sprague, May 29, 1990: US04929624 (242 worldwide citation)

Novel 1-substituted 1H-imidazo-[4,5-c]quinolin-4-amines are disclosed. These compounds function as antiviral agents, and they are potential synthetic intermediates in the preparation of known antiviral agents and labeled known antiviral agents. This invention also provides intermediates for preparin ...


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Ulrich Bloecher, Ernest J Duwell: Erodable agglomerates and abrasive products containing the same. Minnesota Mining and Manufacturing Company, Donald M Sell, James A Smith, David L Weinstein, March 24, 1987: US04652275 (239 worldwide citation)

Erodable agglomerates containing individual abrasive grains, a binder and matrix material selected from the group consisting of pulp suitable for making paper and derivatives thereof, wood flour, and vermiculate. The agglomerates are useful for coated abrasives and bonded abrasives. Abrasive product ...


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Michael F Weber: Backlighting system using a retroreflecting polarizer. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Eric D Levinson, June 6, 1995: US05422756 (237 worldwide citation)

A backlighting system employs a retroreflecting polarizer, comprising optical thin films coated on a structured material, to divide an incident beam of light into polarized components. One component is transmitted through the polarizer and the other is rejected. Optionally, a reflector (for example, ...


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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 (234 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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John F Gerster, Stephen L Crooks, Kyle J Lindstrom: 1-substituted, 2-substituted 1H-imidazo[4,5-c]quinolin-4-amines. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Douglas E Reedich, February 14, 1995: US05389640 (229 worldwide citation)

1-substituted, 2-substituted 1H-imidazo[4,5-c]-quinolin-4-amines are disclosed. These compounds function as antiviral agents, they induce biosynthesis of interferon, and they inhibit tumor formation in animal models. This invention also provides intermediates for preparing such compounds, pharmaceut ...


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Claire A Berglund, Paul D Rosso: Pressure-sensitive adhesive having a broad spectrum antimicrobial therein. Minnesota Mining and Manufacturing Company, Cruzan Alexander, Donald M Sell, Gary L Griswold, January 12, 1982: US04310509 (225 worldwide citation)

A composition and a process for making the same is provided wherein a chemical and storage stable pressure-sensitive adhesive has homogeneously dispersed therein a broad-spectrum antimicrobial agent. When the composition is placed in contact with the skin, it uniformly and controllably releases the ...


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Michael C Palazzotto, F Andrew Ubel III, Joel D Oxman, M Zaki Ali: Ternary photoinitiator system for addition polymerization. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Dale A Bjorkman, August 13, 1996: US05545676 (218 worldwide citation)

Photocurable addition-polymerizable compositions containing a free-radically-polymerizable monomer and a photoinitiator system containing i) an arylidonium salt, ii) a sensitizing compound, and iii) an electron donor having an oxidation potential that is greater than zero and less than or equal to t ...


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James R Bylander: Optical fiber distribution panel. Minnesota Mining and Manufacturing Company, Donald M Sell, Walter N Kirn, John C Barnes, April 25, 1989: US04824196 (217 worldwide citation)

An improved fiber distribution panel including fiber connecting and splicing modules which are slidable into and out of a housing which is formed to support a plurality of said modules. Each module is provided with means for supporting a fiber connector at an angle with respect to the front edge the ...