APImRAllUS FOR M t C R O f ~ ~

US. Patent 6,270,671. Aug. 7, 2001 J. Shorr and J.R Toohil, assignors to United State Filter Corp., Palm Desert, Calif. A method comprising flowing pressurized water including a precipitate through a substantial- ly tubular semipermeable mem- brane comprising sub-micron fil- t ra t ion media and having an inner surface and an outer sur- face, wherein the flow of the water is turbulent; and collecting a filtrate from the outer surface of the membrane, wherein the fil- t rate contains a concentration of dissolved precipitate below the solubility limit of the precipitate.

RECOVERING METALS FROM

WASTE STREAMS

US. Patent 6,270,679. Aug. 7, 2001

L. Kreisler, c/o KBF Pollution Management Inc., Paterson, N.J. A process for separa t ing and recovering metals from acidic waste streams comprising adding a complexing agent to cause met- als to precipitate in the form of a sludge, said complexing agent being a mixture of water, an inor- ganic base, and a thiocarbamate or dithiocarbamate selected from the group consisting of sodium dimethyldi th iocarbamate , zinc d imethyldi th iocarbamate , and mixture thereof; dewatering and drying the sludge to a substan- tially anhydrous state; and melt- ing to recover the metals there- from.

POWDER COATING COMPOSITION US. Patent 6,270,855. Aug. 7, 2001 R. Jung and C. Schmid, assignors to

The Valspar Corp., Minneapolis A composition comprising 50 to 100% of a blend of polyesters; 0 to 25% of a modifying resin selected from the group consisting of an epoxy or phenoxy resin; 0 to 25% of an inorganic filler; 0 to 4% of a flow control agent; and 0 to 50% of a second modifying polymer, the composition having a particle size of 100 microns or less.

WATER-REDUCIBLE COATING

C O M P O S I T I O N

U.S. Patent 6,270,884. Aug. 7, 2001 D.J. Guhde et al., assignors to Metal Coatings International Inc., Chardon, Ohio A stable water-reducible, chrome- free, and resin-free coating com- position for application to, and hea t curing on, a subst ra te for providing corrosion protection

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