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 ...

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 ...

Wesley R Kaczmarek, Eugene Zador, Sitaramaiah Ravipati: Plural layered coated abrasive. Norton Company, Frank S Chow, Norvell E Wisdom, February 24, 1987: US04644703 (78 worldwide citation)

A coated abrasive which is advantageous for certain applications has at least two distinct layers of abrasive grits: a coarse outer layer and a finer inner layer. The median particle size of the grits in the outer layer is at least 150% of that of the inner layer grits. The grits may be adhered to t ...

Eugene Zador, Shyiguei Hsu, Wesley R Kaczmarek, Sitaramaiah Ravipati, Stanley Supkis, Richard H Vogel: Single step, radiation curable ophthalmic fining pad. Norton Company, Arthur A Loiselle, April 30, 1991: US05011513 (71 worldwide citation)

A single step fining pad for use in a ophthalmic applications having radiation cured maker and size coats of different hardnesses.

Stanley J Supkis, Eugene Zador, Sitaramaiah Ravipati, Richard A Romano, Walter A Yarbrough: Coated abrasives with rapidly curable adhesives. Norton Company, June 18, 1996: US05527368 (45 worldwide citation)

A coated abrasive having improved properties of grinding performance and brittleness, said abrasive comprising a backing and an abrasive coating adhered thereon wherein the abrasive coating comprises a suspension containing lapping size abrasive grains and a binder, said binder containing a diacryla ...

Melvin A Lipson, Eugene Zador: Polymers for aqueous processed photoresists. Dynachem Corporation, Stanley A Marcus, Royal E Bright, December 16, 1980: US04239849 (36 worldwide citation)

A new photopolymerizable composition which contains an addition polymerizable monomer, a photoinitiator, and an improved binding agent which is a polymer of three types of monomeric materials, namely, a styrene-type monomer, an acrylate monomer, and an alpha, beta-unsaturated carboxyl-containing mon ...

Dhiraj H Darjee, Richard W Kalita, Gregg M Bosak, Eugene Zador, William F McCutcheon: Coated abrasive having combination backing member. Norton Company, David Bennett, February 15, 1994: US05286541 (5 worldwide citation)

Coated abrasive material having a combination backing member. The combination backing member has as a bottom member a conventional backing member substrate used in the manufacture of coated abrasive material such as cylinder paper coated with a polymeric layer. The polymer layer provides a relativel ...

Eugene Zador: Grinding aid formulations. Norton Company, David Bennett, June 22, 1993: US05221295 (4 worldwide citation)

Coated abrasives provided with a coating comprising a grinding aid and a binder resin are particularly effective when the grinding aid is an halogenated hydrocarbon.

Eugene Zador, Dhiraj H Darjee, Stanley J Supkis: Curl resistant coated abrasive backing with radiation curable cloth finishing additive. Norton Company, David Bennett, October 10, 1995: US05456975 (3 worldwide citation)

This invention relates to the construction of backings for coated abrasive products that avoid curling tendencies during adhesive curing and subsequent steps. Curling of the backing is discouraged by the utilization of at least one finishing material carried by said fabric which comprises the produc ...