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Class Information
Number: 51/296
Name: Abrasive tool making process, material, or composition > Pore forming
Description: Subject matter including (a) a process or tool defined thereby including forming pores or voids in the finished article or (b) an abrading tool composition including one or more materials which will form pores or voids therein.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8557005 Polyurethane foam and polishing pad Oct. 15, 2013
8551201 Polyurethane composition for CMP pads and method of manufacturing same Oct. 8, 2013
8550878 Method of manufacture of constant groove depth pads Oct. 8, 2013
8444726 Method for manufacturing grinding wheel having depressions on grinding surface thereof May. 21, 2013
8361176 Hydrophilic and hydrophobic silane surface modification of abrasive grains Jan. 29, 2013
8357028 Self-bonded foamed abrasive articles and machining with such articles Jan. 22, 2013
8329123 Method for preparing of cerium oxide powder for chemical mechanical polishing and method for preparing of chemical mechanical polishing slurry using the same Dec. 11, 2012
8216326 High porosity vitrified superabrasive products and method of preparation Jul. 10, 2012
8216325 High porosity superabrasive resin products and method of manufacture Jul. 10, 2012
8206202 Flexible grinding product and method of producing the same Jun. 26, 2012
8177871 Vitrified bonded grindstone May. 15, 2012
8142532 Shaped abrasive particles with an opening Mar. 27, 2012
8123828 Method of making abrasive shards, shaped abrasive particles with an opening, or dish-shaped abrasive particles Feb. 28, 2012
8070842 Dental polishing article which contains spherical resin particles Dec. 6, 2011
8052507 Damping polyurethane CMP pads with microfillers Nov. 8, 2011
7959887 Method for manufacturing a diamond composite Jun. 14, 2011
7867461 Method for preparing of cerium oxide powder for chemical mechanical polishing and method for preparing of chemical mechanical polishing slurry using the same Jan. 11, 2011
7718102 Froth and method of producing froth May. 18, 2010
7579071 Polishing pad containing embedded liquid microelements and method of manufacturing the same Aug. 25, 2009
7524475 Cerium oxide powder for one-component CMP slurry, preparation method thereof, one-component CMP slurry composition comprising the same, and method of shallow trench isolation using the slurry Apr. 28, 2009
7311862 Method for manufacturing microporous CMP materials having controlled pore size Dec. 25, 2007
7037179 Methods and apparatuses for making and using planarizing pads for mechanical and chemical-mechanical planarization of microelectronic substrates May. 2, 2006
7029747 Integral polishing pad and manufacturing method thereof Apr. 18, 2006
6998166 Polishing pad with oriented pore structure Feb. 14, 2006
6887287 Vitrified superabrasive tool and method of manufacture May. 3, 2005
6887288 Superfinishing grindstone May. 3, 2005
6860959 Nonwoven abrasive material Mar. 1, 2005
6860913 Method for making abrasive compositions and products thereof Mar. 1, 2005
6790126 Agglomerate abrasive grain and a method of making the same Sep. 14, 2004
6773473 Supercritical fluid extraction Aug. 10, 2004
6749485 Hydrolytically stable grooved polishing pads for chemical mechanical planarization Jun. 15, 2004
6733876 Flexible abrasive article May. 11, 2004
6719818 Apparatus and method for in-situ endpoint detection for chemical mechanical polishing operations Apr. 13, 2004
6685755 Porous abrasive tool and method for making the same Feb. 3, 2004
6676717 Apparatus and method for in-situ endpoint detection for chemical mechanical polishing operations Jan. 13, 2004
6645263 Cellular abrasive article Nov. 11, 2003
6641627 Abrasive articles Nov. 4, 2003
6575824 Abrasive molding and abrasive disc provided with same Jun. 10, 2003
6514301 Foam semiconductor polishing belts and pads Feb. 4, 2003
6500220 Impregnated grinding wheel Dec. 31, 2002
6485822 Multi-layer combination sponge Nov. 26, 2002
6485533 Porous grinding stone and method of production thereof Nov. 26, 2002
6477926 Polishing pad Nov. 12, 2002
6450870 Vitrified grindstone having pores partially filled with resin, and method of manufacturing the same Sep. 17, 2002
6440185 Resinoid grinding wheel Aug. 27, 2002
6428587 Vitrified abrasive solid mass having pores filled with resin, and solid lubricant agent Aug. 6, 2002
6428586 Method of manufacturing a polymer or polymer/composite polishing pad Aug. 6, 2002
6422926 Foam buffing pad and method of manufacturing thereof Jul. 23, 2002
6406504 Resilient abrasive article with hard anti-loading size coating Jun. 18, 2002
6391072 Abrasive grain May. 21, 2002

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