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Class Information
Number: 451/526
Name: Abrading > Flexible-member tool, per se
Description: A bendable instrumentality having (a) a work face that includes crystalline abrasive particles (e.g., emery, sand, corundum, etc.) and a supporting structure to which such particles are secured or (b) an abrasive containing composition molded to a particular shape.










Sub-classes under this class:

Class Number Class Name Patents
451/532 Comprising fibers 143
451/527 Interrupted or composite work face (e.g., cracked, nonplanar, etc.) 464
451/533 Laminate 424
451/531 Splice or joint 31
451/530 Work face variegated or on projecting backing 149


Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
8702479 Polishing pad with multi-modal distribution of pore diameters Apr. 22, 2014
8647179 Polishing pad, and method for manufacturing polishing pad Feb. 11, 2014
8628383 Coated abrasive products containing aggregates Jan. 14, 2014
8628384 Polishing pad for eddy current end-point detection Jan. 14, 2014
8602851 Controlled penetration subpad Dec. 10, 2013
8597087 Universal abrasive sheet Dec. 3, 2013
8579677 Abrasive impregnated brush Nov. 12, 2013
8556686 Device for sharpening and polishing needles, pins, and miscellaneous pointed articles Oct. 15, 2013
8545292 Two-component urethane resin composition for polishing pad, polyurethane polishing pad, and method for producing polyurethane polishing pad Oct. 1, 2013
8545291 Polishing pad, manufacturing method thereof and polishing method Oct. 1, 2013
8535119 Chemical mechanical polishing pad and methods of making and using same Sep. 17, 2013
8512427 Acrylate polyurethane chemical mechanical polishing layer Aug. 20, 2013
8506364 Abrasive article having a line of weakness Aug. 13, 2013
8491359 Polishing pad, use thereof and method for making the same Jul. 23, 2013
8480773 Method of fabricating a polishing pad Jul. 9, 2013
8444457 Universal abrasive sheet May. 21, 2013
8435098 Abrasive article with cured backsize layer May. 7, 2013
8429782 Polishing system, sub-system and pads Apr. 30, 2013
8393941 Abrasive tool Mar. 12, 2013
8388419 Sanding block Mar. 5, 2013
8357028 Self-bonded foamed abrasive articles and machining with such articles Jan. 22, 2013
8308531 Polishing pad and method of manufacturing the same Nov. 13, 2012
8308576 Transmission mechanism of a carving grinder Nov. 13, 2012
8304467 Polishing pad Nov. 6, 2012
8303372 Polishing pad Nov. 6, 2012
8303375 Polishing pads for chemical mechanical planarization and/or other polishing methods Nov. 6, 2012
8303382 Polishing pad and method of fabrication Nov. 6, 2012
8288448 Polyurethane polishing pad Oct. 16, 2012
8257152 Silicate composite polishing pad Sep. 4, 2012
8251777 Polishing slurry for aluminum and aluminum alloys Aug. 28, 2012
8221196 Chemical mechanical polishing pad and methods of making and using same Jul. 17, 2012
8206201 Working system using brush tool Jun. 26, 2012
8177603 Polishing pad composition May. 15, 2012
8128464 Chemical mechanical polishing pad Mar. 6, 2012
8118897 Mix head assembly for forming chemical mechanical polishing pads Feb. 21, 2012
8080072 Abrasive article with supersize coating, and methods Dec. 20, 2011
8062096 Use of CMP for aluminum mirror and solar cell fabrication Nov. 22, 2011
8053521 Chemical mechanical polishing pad Nov. 8, 2011
8052507 Damping polyurethane CMP pads with microfillers Nov. 8, 2011
8049136 Method for producing metal mask for screen printing Nov. 1, 2011
8025557 Sanding clay Sep. 27, 2011
8016647 Polishing pad and method thereof Sep. 13, 2011
7947098 Method for manufacturing chemical mechanical polishing pad polishing layers having reduced gas inclusion defects May. 24, 2011
7938714 Polishing pad assembly with glass or crystalline window May. 10, 2011
7927183 Polishing pad Apr. 19, 2011
7922783 Polishing pad and production method thereof Apr. 12, 2011
7901275 Sanding apparatus Mar. 8, 2011
7901274 Rotary finishing wheel Mar. 8, 2011
7884020 Polishing cloth and method of manufacturing semiconductor device Feb. 8, 2011
7875335 Method of fabricating polishing pad having detection window thereon Jan. 25, 2011

1 2 3 4 5 6 7 8 9










 
 
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