COMPOsmONu.s. Patent 5,868,819. Feb. 9, 1999D.J. Guhde et al., assignors to MetalCoatings International Inc.,Chardon, OhioA chrome-free, stable, water­reducible coating composition ofaqueous medium for applicationto and heat curing on a substratefor providing corrosion protectionthereto, said composition com­prising water t~ provi.d.e the aqu~­aUS medium; hIgh-bOlhng orgamcliquid; particulate metal; thick­ener; and water-reducible, epoxy­functional silane binding agentcontributing from 3 to 20% byweight of the total compositionweight.

AQUEOUS COAnNG COMPOSmON

u.s. Patent 5,868,820. Feb. 9, 1999W.J. Claffey, assignor to PPGIndustries Inc., Pittsburgh

An aqueous metal surface treat­ment composition comprising atleast one polyhydroxy-functionalcyclic compound selected from thegroup consisting of polyhydroxyphenolic compounds and hetero­cyclic nitrogen-containing com­pounds having polyhydroxy func­tionality; phosphate ions; at leastone oxidizer-accelerator; and wa­ter.

PAINT GUN INCORPORAnNG ALASIR DIVICIU.S. Patent 5,868,840. Feb. 9, 1999R.J. Klein II and D.L. Sevey,assignors to The University ofNorthern Iowa Foundation, CedarFalls, Iowa

A hand-held spray gun for apply­ing a liquid coating to a surfacecomprising a light generating de­vice disposed within the interiorof the housing, wherein the lightgenerating device includes alight-emitting arrangement forcommunicating a light beam exte­riorly of the housing and towardthe surface to be coated; a lightreceiving device mounted to thehousing and including a light re­ceiving arrangement having anexposure exteriorly of the housingfor receiving light from the light­emitting arrangement reflectedfrom the surface to be coated; andan operator interface intercon­nected with the light receiving de­vice for conveying information tothe operator pertaining to appli-

www.hendor.com ~ hEncbrEmail: info@hendor.com

hendor B.V.p.o.box 9, 5530aa Bladelthe Netherlandstel + 31 (0) 497 386810 fax 381593

N.America: hendor-pe, Inc55 Concourse WayGreer SC 29650 USAtel + 1 864 879 0888 fax 4237

WHEN IT COMES TOION EXCHANGE RESINS,THE RIGHT CHOICE IS

CRYSTAL CLEAR...ResinTech has the most complete line of ion exchange resins availablefor all your waler and wastewater treatment needs. From selectivechelating resins (for removal of heavy metals) to granular activatedcarbon. all of our products are manufactured to the highestspecifications, surpassing other suppliers.

ResinTech gives you prompt responses to yourion exchangeapplications. including recommending the best resin for removal ofcontaminants (rom wastewater (lead, zinc. copper, chrome, mercury,etc.), helping you meet regulatory limits.

Our extensive inventory will insure that your order gets shipped toyou without delay.

For More Infonnation Call (609) 354-1152

INNOVATIONS IN ION ExCHANGE

ResinTldl.lnv 61S Dftf Road' Ch."y Hill,NJ OSOl4- H09'16091 m '11S1'lr1ex:6SOJOlJ149' f..:(6091314· 616S

Circle 031 on reader information card

November 1999

Circle 069 on reader information card

95

cation of the coating to the surfacein response to the light receivingdevice.

PAlNI' .....ROO11I COMI'IIOLUIIU.S. Patent 5,868,845. Feb. 9, 1999T. Rouuelin, assignor to BehrSystems, Rochester Hills, Mich.

A paint spray system including aplurality of paint sprayers con­nected in series for communica­tion, each sprayer including apaint spray head; and a computerincluding a communication inter­face connected in series with thepaint sprayer, said computersending information to the paintsprayers, said paint sprayersspraying paint based upon the in­formation from the computer.

C••OM ..TRIA.INI' O' ALUMINUMU.S. Patent 5,868,872. Feb. 9, 1999U. Karmaschek and R. Mady,assignors to Henkel KGA.Duesseldorf, Germany

A process for the production of achromium·free conversion coatingon a surface of aluminum or itsalloys by a no-rinse process bytreatment with an aqueous solu­tion having a pH value of 1 to 3.5and containing 2.2 to 22.0 gIL ofZr(IV), 1.4 to 14.0 gIL of Ti(lV), orboth; 2.4 to 24.0 gIL of orthophos­phate; 3.0 to 30.0 gIL of fluoride;and 0.15 to 1.5 gIL of a water­soluble or homogeneously water­dispersible organic film former,wherein the solutions are at tem­peratures of 50 to 125°C dried on

the surface without rinsing aftera contact time of 1 to 40 sec be­tween the surface and the aque­ous solution.

......... I'0Il ........'11..IIITALU.S. Patent 5,868,873. Feb. 9, 1999K. Brown et al., assignors to BrentInternational PLC,Buckinghamshire, England

A method for preparing a prerins­ing composition for phosphatingmetal surfaces including formingsolid water-insoluble manganese(II) phosphate; heating the solidat a temperature greater than120·C to form a heated solid; andadding the heated solid to anaqueous liquid to form a suspen­sion.

• Any Tip Comb nation

• Any Style 01 Tips.090 Wire Size

• 6 Movable Cro..Bars1/4" x 1/2" x 18"

/i.ILTON RACK & BASKET CORP,

'0' ".tl'Ott/.",.. _ fl. It"'" AI'Od""'O6 PaUllItC Avenue. ".rlt810. New J 'Ifty 01

Tol. " (973) 226·6010 Fax # (973) 227·4155

• ReckICoetedwlthP,V.C.­Cleaned. Ready lor Uae

• Croll Blrl Slide On end OffConl.cll-No Bohl or Nutl

We WIll Manu/ac/ure H1 Any Length.Any SIze, Any Width Of Any WeIghtForHandOp r8/lon Any TiP Desl(JnorMs/ef/al

• 2Solid Copper Spllnel3/S" x3/4"

• Contactlto Spline. TlPI endera..Barl Are Stllnlell Steel

-I.,."",.'I""I""""lo.I

/5JLTO ' Mov.ble Cro.. B.r Box Plating Rack

For Automatic Machines

#8800

Circle 080 on reader Information card Circle 030 on reader Information card

98 Metel Flnllhlnll