1
Jonathan N Chasman, Ramon F Hegel, Philip E Kendall, Nathan B Postma, Douglas S Spencer: Coated abrasive suitable for use as a lapping material. Minnesota Mining and Manufacturing Company, Donald M Sell, David L Weinstein, September 27, 1988: US04773920 (109 worldwide citation)

Coated abrasive comprising a backing and abrasive grain adhered to said backing by means of a binder. The binder is prepared from a composition that is curable by free-radical polymerization. The composition contains abrasive grain suspended therein at the time the composition is coated onto the bac ...


2
Robbyn L Engen, Douglas S Spencer, Jeffrey E Ford: Abrasive articles and methods of making same. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Doreen S L Gwin, September 3, 1996: US05551961 (27 worldwide citation)

An abrasive article and methods for making such abrasive articles, including coated and nonwoven abrasive articles, comprising (a) a plurality of abrasive particles and (b) a bond system which adheres the plurality of abrasive particles together, the bond system comprising a binder; the binder being ...


3
Craig A Masmar, Douglas S Spencer, Elizabeth C Edblom: Method of making a coated abrasive article. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, David L Weinstein, November 29, 1994: US05368618 (22 worldwide citation)

A method of preparing a coated abrasive article in which the presence of multiple layers of abrasive grains are minimized. In one variation, the method comprises the steps of: (a) providing a backing; (b) applying a make coat precursor to the backing; (c) partially curing the make coat precursor; (d ...


4
Louis S Moren, Douglas S Spencer, Laurie A Windisch: Nonwoven abrasive material roll. 3M Innovative Properties Company, James J Trussell, March 27, 2001: US06207246 (13 worldwide citation)

A longitudinally extending web of lofty nonwoven abrasive surface treatment material is provided in a coreless roll form to the end user. Successive wraps of the nonwoven abrasive material have interengaging surfaces sufficient to maintain the material in a spirally wrapped configuration yet being r ...