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'. IUCTROHPOSmo DIAMOND WHIIL U.S. Patent 5,876,274. Mar. 2, 1999 S. Hariu, assignor to Sankyo Diamond Industrial Co. Ltd., Kanagawa, Japan An electrode posited diamond wheel for cutting a composite ma- terial comprising a heat softening material and a reinforcing mate- rial wherein the diamond wheel comprises a circular substrate having a center, two opposing sur- faces, and an outer circumference, an attaching aperture formed at the center and a plurality of cool- ing apertures formed each at a predetermined distance from the attaching aperture toward the outer circumference and each at a predetermined pitch and diamond abrasive particles electrodepos- ited on the outer circumference of the circular substrate. ganic solvent; and combining at least a portion of the cleaning agent and a portion of the rinsing agent and subjecting the com- bined cleaning agent and rinsing agent to an azeotropic distillation to recover an azeotrope, separat- ing the azeotrope into a water- rich phase and a solvent-rich phase and recycling. WASHING SVIm. CONTAINING NONIONIC SUR.ACTANT U.S. Patent 5,876,514. Mar. 2, 1999 J.J. Rolando and T.J. Klos, assignors to Ecolab Inc., St. Paul, Minn. A method of washing ware using a Reduce slurries to dry powder. Cut disposal costs 10:1 Mixing screw wipes heating surface clean preventing insulating buildup. Also breaks up surface layer for maximum moisture release. Circle 093 on reader Information card ELECTROCOAGULATION Advanced Wastewater Treatment Technology for the Next Millennium CONmJ[g© The PerformanceLeader in Contaminant RecoverySystems Contaminant Recovery Systems, Inc. 9 Rocky Hill Rd., Smithfield, RI 02917 (401) 231-3770 Fax: (401) 231-3360 Web: www.conrec.net E-mail: [email protected] • Reduced Treatment Costs • Simple Operation • Built for Your Specific eeds l-tl88-KASELCO (I-XSS-.'i27- 526) FAX 361-594-3311 www.kwire.com Call ror a hellch·scale test "r yUIll' wastewater sam pi,' IIsillg the Kaselo I'rocess P.O. nUX 667 Shiner, Texas 77984 fr........t 0' W••tew.t.r W''''out C .....'c., a•• " •• t. ,. A".II.". 'od.y PROC... POR CLIANING AllTlCLIS U.S. Patent 5,876,510. Mar. 2, 1999 M.A.M. Kuemin and M. Schneider, assignors to The Dow Chemical Co., Midland, Mich. A process for cleaning one or more articles comprising contacting the article with a cleaning agent con- taining 0.01 to 80% by weight of water and 99.99 to 20% by weight of an organic solvent having the features of forming an azeotrope with water, and forming a sepa- rate phase after azeotropic distil- lation; rinsing with an agent con- taining from 99.99 to 60% of water and 0.01 to 40% of the or- ABRASIVE ARTICLIS U.S. Patent 5,876,470. Mar. 2, 1999 G.R. Abrahamson, assignor to 3M Co., St. Paul, Minn. An abrasive article comprising a first abrasive grain comprising seeded or nucleated alpha alu- mina; and a second abrasive grain comprising rare earth oxide or yt- tria modified alpha alumina. Circle 038 on reader Information card November 1999 109
