1
Stanley L Conwell, William P Wood: Alpha alumina-based abrasive grain. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Gregory D Allen, May 14, 1996: US05516348 (121 worldwide citation)

Alpha alumina-based abrasive grain including aluminate platelets. The abrasive grain can be incorporated into abrasive articles such as bonded abrasives (e.g., grinding wheels), coated abrasives, and nonwoven abrasives.


2
Thomas E Wood: Impregnation method for transformation of transition alumina to a alpha alumina. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Richard Francis, August 18, 1992: US05139978 (120 worldwide citation)

The method of the present invention is useful in preparing an improved alpha alumina-based ceramic. The improvement consists of the addition of a precursor of an alpha phase nucleating to transition alumina. The method is particularly useful in preparing alpha alumina-based abrasive grain.


3
Dwight D Erickson, Larry D Monroe, Thomas E Wood, David M Wilson: Method of making alpha alumina-based abrasive grain containing silica and iron oxide. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Gregory D Allen, July 8, 1997: US05645619 (110 worldwide citation)

A method of making an alpha alumina-based ceramic abrasive grain comprising, on a theoretical oxide basis, Al.sub.2 O.sub.3, Fe.sub.2 O.sub.3, and SiO.sub.2. The abrasive grain has a surface roughness height of greater than about 200 nanometers and a density of greater than about 3.50 g/cm.sup.3. Pr ...


4
William P Wood: Method for making abrasive grain and abrasive articles. Minnesota Mining and Manufacturing Company, Gregory D Allen, July 14, 1998: US05779743 (93 worldwide citation)

Method for making alpha alumina-based abrasive grain from a dispersion comprising boehmite. The abrasive grain can be incorporated into abrasive products such as coated abrasives, bonded abrasives, and non-woven abrasives.


5
Larry L Peterson: Coated abrasive article. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Gregory D Allen, September 23, 1997: US05669941 (92 worldwide citation)

The present invention provides a coated abrasive article, wherein the backing includes a tough, heat resistant, thermoplastic binder material, and an effective amount of a fibrous reinforcing material distributed throughout the thermoplastic binder material. The abrasive grain adhered to the backing ...


6
Darren T Castro, Ahmet Celikkaya, Larry D Monroe: Abrasive grain, abrasive articles, and methods of making and using the same. 3M Innovative Properties Company, Gregory D Allen, August 21, 2001: US06277161 (91 worldwide citation)

Alpha alumina-based abrasive grain. The abrasive grain can be incorporated into abrasive products such as coated abrasives, bonded abrasives, non-woven abrasives, and abrasive brushes.


7
William P Wood: Method for making abrasive grain and abrasive articles. Minnesota Mining and Manufacturing Company, Gregory D Allen, July 7, 1998: US05776214 (88 worldwide citation)

Method for making alpha alumina-based abrasive grain from a dispersion comprising boehmite. The abrasive grain can be incorporated into abrasive products such as coated abrasives, bonded abrasives, and non-woven abrasives.


8
Ahmet Celikkaya: Abrasive grain, abrasive articles, and methods of making and using the same. 3M Innovative Properties Company, Gregory D Allen, September 11, 2001: US06287353 (85 worldwide citation)

Alpha alumina-based abrasive grain and method of making the same. The abrasive grain can be incorporated into abrasive products such as coated abrasives, bonded abrasives, non-woven abrasives, and abrasive brushes.


9
Larry D Monroe, Thomas E Wood: Alpha alumina-based abrasive grain containing silica and iron oxide. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Gregory D Allen, March 18, 1997: US05611829 (82 worldwide citation)

An alpha alumina-based ceramic abrasive grain comprising, on a theoretical oxide basis, Al.sub.2 O.sub.3, Fe.sub.2 O.sub.3, and SiO.sub.2. The abrasive grain has a surface roughness height of greater than about 200 nanometers and a density of greater than about 3.50 g/cm.sup.3. Preferably, the alpha ...


10
William P Wood: Method for making abrasive grain using impregnation and abrasive articles. 3M Innovative Properties Company, Gregory D Allen, April 25, 2000: US06053956 (80 worldwide citation)

Method for making alpha alumina-based abrasive grain, wherein during an impregnation step of the method, alpha alumina-based ceramic precursor particles conchoidally fracture. The abrasive grain can be incorporated into abrasive products such as coated abrasives, bonded abrasives, and non-woven abra ...