1
Thomas E Cottringer, Ronald H van de Merwe, Ralph Bauer: Abrasive material and method for preparing the same. Norton Company, Rufus M Franklin, November 18, 1986: US04623364 (285 worldwide citation)

The hardness and microstructure of aluminous abrasives produced from alumina gels are enhanced by introduction of seed material as by wet vibratory milling of the material with alumina media, or by the direct addition of very fine alpha alumina particles in the amount of 1% or less.


2
Eugene Zador, Wesley R Kaczmarek, Sitaramaiah Ravipati: Coated abrasives with rapidly curable adhesives and controllable curvature. Norton Company, Frank S Chow, Norvell E Wisdom, February 10, 1987: US04642126 (233 worldwide citation)

Previous coated abrasives with adhesives suited to rapid, UV light initiated cure often had intractable curl problems. Therefore, such coated abrasives have been unsuited to precision finishing of workpieces with strict flatness or other curvature requirements, such as read-write heads for magnetic ...


3
Carole J Markhoff Matheny, John Hay, David Rostoker: Nitrified bonded sol gel sintered aluminous abrasive bodies. Norton Company, David Bennett, March 5, 1991: US04997461 (219 worldwide citation)

Vitrified bonded abrasive bodies prepared from sol gel sintered aluminous grit particles and a vitreous (glass) bond exhibit improved abrasive performance by treating the surfaces of the grit particles so as to give them silica-enriched surfaces.


4
Hyun S Cho, Chien Min Sung, Leo Merrill, Sy Hwa Chen, Frank Csillag: Cemented and cemented/sintered superabrasive polycrystalline bodies and methods of manufacture thereof. Norton Company, Marmorek Guttman & Rubenstein, April 30, 1991: US05011514 (203 worldwide citation)

Superabrasive cutting elements, backed compacts and methods for their manufacture are disclosed wherein metal coated superabrasive particles are cemented under HPHT conditions. The superabrasives bond to the metal of the coating and the metal coatings of adjacent particles bond to each other forming ...


5
Sitaramaiah Ravipati, Eugene Zador, Wesley R Kaczmarek, Ernest A Coleman, David Rostoker: Patterned coated abrasive for fine surface finishing. Norton Company, Arthur A Losielle, May 14, 1991: US05014468 (186 worldwide citation)

Coated abrasive material for fine finishing applications including second fining ophthalmic application, having patterned surface coating of abrasive grains dispersed in radiation-cured adhesive binder. The patterned surface coating is defined by a plurality of formations of such abrasive/binder eac ...


6
Bernhardt E Kressner: Coated abrasive having brittle agglomerates of abrasive grain. Norton Company, Rufus M Franklin, January 19, 1982: US04311489 (181 worldwide citation)

A coated abrasive product has abrasive particles secured to a flexible backing by maker and size coats, each abrasive particle consisting essentially of an agglomerate of fine abrasive grains having an average diameter less than about 200 microns and an inorganic, brittle, matrix. The volume percent ...


7
Chien Min Sung, Sy Hwa Chen, Leo Merrill, Louis K Bigelow: Low pressure bonding of PCD bodies and method for drill bits and the like. Norton Company, Marmorek Guttman & Rubenstein, July 24, 1990: US04943488 (179 worldwide citation)

An improved temperature stable synthetic polycrystalline diamond (PCD) product includes at least one temperature stable PCD integrally and chemically bonded to a matrix carrier support through a carbide forming layer which is of a thickness of at least about 1 micron, the layer on at least one surfa ...


8
Sy Hwa Chen, Chien Min Sung: Diamond metal composite cutter and method for making same. Norton Company, Marmorek Guttman & Rubenstein, March 17, 1992: US05096465 (175 worldwide citation)

A superhard material-metal composite product comprises a plurality of metal coated superhard particles (diamond or cubic boron nitride), and a binder alloy forming a cementing matrix which binds the coated superhard particles into a coherent mass. The binder alloy has a melting point below about 130 ...


9
Chien Min Sung, Sy Hwa Chen, Leo Merrill, Louis K Bigelow: Low pressure bonding of PCD bodies and method. Norton Company, Marmorek Guttman & Rubenstein, July 9, 1991: US05030276 (155 worldwide citation)

An improved temperature stable synthetic polycrystalline diamond (PCD) product includes at least one temperature stable PCD integrally and chemically bonded to a matrix carrier support through a carbide forming layer which is of a thickness of at least about 1 micron, the layer on at least one surfa ...


10
Scott W Pellow: Process for the manufacture of filamentary abrasive particles. Norton Company, David Bennett, February 25, 1992: US05090968 (149 worldwide citation)

A device and process is disclosed for producing filamentary abrasive particles having substantially equal aspect ratios without further length reduction.