material; and a toughening agent; Zndustries Inc., Pittsburgh

a first adhesive layer present on A film-forming coating composi- the front surface of the backing; tion comprising a hydroxyl-con- and a plurality of abrasive parti- taining acrylic solution polymer cles embedded in the first adhe- and a polyisocyanate crosslinking sive layer. agent.

CLEANEWDEGREASER CONCENTRATE

U.S. Patent 5,849,682. Dec. 15, 1998 D.N. Van Eenam, Des Peres, MO.

A substantially nonaqueous con- centrate for use in preparing a stable, aqueous cleaneridegreaser composition in the form of a to- tally water-soluble solution com- prising a sparingly water-soluble organic solvent, which is dipro- pylene glycol mono n-butyl ether; a solubilizing additive consisting of 0.1 to 100% by weight of a sur- factant and up to 99.9% of a cou- pler, said solubilizing additive be- ing present in an amount of approximately 3 to 15% by weight excess over that minimally re- quired to form a clear solution when the concentrate is combined with water; and not more than 10.0% of water.

POWDER COATING GUN

U.S. Patent 5,850,976. Dec. 22, 1998 M.A. Robidoux, assignor to The Eastwood Co., Maluern, Pa.

A gun for spraying a powder onto a workpiece to form a coating in- cluding means for manipulating the gun and for controlling a flow of air from a pressurized source through the gun.

STRUCTURED ABRASIVE ARTlCLE

U.S. Patent 5,851,247. Dec. 22, 1998 W.L. Stoetzel et al., assignors to 3M Co., St. Paul, Minn.

An abrasive article comprising

AGUEOUS CLEANING

COMPOSlTlON

Webster Pumps Don’t Just stand UD To Corrosive Chemicals,

They Stand The Tesl Of Time. U.S. Patent 5,849,683. Dec. 15, 1998 F.R. Cala and R.A. Reynolds, assignors to Church & Dwight Co. Inc.

An aqueous cleaning composition capable of substantially removing industrial-type soil contaminants from a substrate comprising an aqueous portion and an active- ingredient portion consisting of an alkalinity-providing agent and a mixture with an active concen- tration of an ethoxylated CL-,, al- kanol surfactant and an active concentration of at least one ami- nocarboxylic acid surfactant.

Whether they’re pumping for aeration, agitation, filtration, recirculation, spraying or transfer, Webster’s rugged, continuous duty pumps are ideal for the plating, electronics, photo processing, pollution control, chemical processing and water treatment industries.

Both our Vertical Seal-less hnmersibles and our Horizontal End-Suction Centrifugals are avail- able in your choice of corrosion-resistant CPVC,

Polypropylene or PVDF (Solef9 with non-metallic construction so that no metal parts come in contact with

corrosive chemicals. Dependable and cost-effective, Webster Pumps can handle applications ranging from 5 to over 100 gallons per minute.

For the name of a Webster Pumps distributor or to discuss your

specific application requirements, call l-800-766-1950.

ULTRADURABLE GLOSSY COATlNG COMPOSlTlON

U.S. Patent 5,849,835. Dec. 15, 1998 SK. Das et al., assignors to PPG

Webster Pumps” Distributor Territories Available.

Circle 064 on reader information card

precisely shaped abrasive com- posites adhered to a major sur- face of a backing, wherein the abrasive composites provide an enhanced cut rate for a mild steel workpiece in the absence of a grinding aid.

METROD OF NONHAZARDOUS

REMOVAL OF PAINT

U.S. Patent 5,851,278. Dec. 22, 1998 R.R. Stanforth and P.V. Knopp, assignors to RMT Inc., Madison, Wis.

A coating preparation, which when applied to paint containing heavy metal renders the paint nonhazardous, comprising 5 to 50% by weight of a phosphate compound; 5 to 30% of a buffering compound; and a carrier for the phosphate compound.

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