Sterically Hindering Compounds
Pivalic acid and neopentyl alcohol have been announced as available. Pilot plant quantities are offered. Dept. IEC, Arapahoe Chemicals Inc., 2800 Pearl St., Boulder, Colo. 44
SPERRY
2-Carbe+hoxycyclopentanone
Available commercially for the first time. Enters into reactions with alkyl halides closely analogous to acetoacetic ester synthesis. Dept. IEC, Arapahoe Chemicals Corp., 2800 Pearl St., Boulder, Colo. 45 Cyclo-ethylene Urea
Commercial quantities of this chemical are now available. I t is a colorless, odorless neutral solid, which is easily and clearly soluble in water, methanol, ethyl alcohol, etc. Aqueous solution, 4 0 % , is available under the name of A T C O 40-S. Dept. IEC, Metro-Atlantic, Inc., Centerdale 11, R. I . 46 Epoxy Finishes
Additions to Corvel powdered resins line have been announced. Latest form is said to be useful for cladding metal parts in uniform, nonsagging thicknesses.. Dept. IEC, National Polymer Products, Inc., Reading, Pa. 47 Cycolac Resin
Versatile Cycolac resin is said to be a high impact thermoplastic resin suitable for difficult molding operations. Dept. IEC, Marbon Chemical, 7165 Chicago Ave., Gary,
Ind.
48
Copper H y d r a t e Complex
New complex is said to be stable in air and aqueous solutions. U n usual toxicity suggests use as fungicide, moluscicide, and rodenticide. Other uses include catalyst, and . M U L o r e information is as near as your mailbox! Just write to the manufacturer of the item in which you are interested. Use of your company letterhead will ensure speedy reply · · · · · · · · · · · · · ·
is the low cost answer to all your FILTRATION PROBLEMS Consider all the money-saving aspects of a Sperry Filter Press. These include low initial cost . . . nominal installation . . . minimum maintenance . . . low depreciation . . . and an economy of operation that extends through many years of trouble-free performance. However complex your filtration problems may be, these economies are basic to the solution. You can avail your plant to the economies of a Sperry Filter Press,custom-engineered to meet your particular requirements for flow rate, cake build-up, washing, extraction, thickening, etc. Variations are provided, offering center, side or corner feed; open or closed delivery; simple or thorough washing; high or low temperature control. Plates may be had i n aluminum, wood, iron, bronze, stainless steel, lead, rubber, nickel or any other special materials to meet your requirements. Any filter media can be used . . . cloth, synthetics, wire screen . . . paper. Labor-saving plate shifting devices and semi-automatic closing attachments are adaptable for any model . . . to increase production, minimize operation hazards and reduce wear and tear. FOR A LOW-COST ANSWER TO YOUR FILTRATION PROBLEMS, SEE THIS SPERRY CATALOG . . .
SEE OUR EXHIBIT ÎOÎÏ
an up-to-date fully illustrated reference manual of erection, operating, design and construction data and specifications. Mail coupon for your free copy today.
national j
chemical exposition
Visit our booth 76
D. R. SPERRY & CO., BATAVIA, ILLINOIS Sales Représentatives George S. T a r b o x 808 Nepperhan Ave., Yonkers, Ν . Υ . B . M . Pilhaehy 833 Merchants Ex. Bldg., San Francisco, Cal. Alldredge & M c C a b e 847 E . 17th Ave., Denver, Colorado Texas C h e m i c a l E n g . Co. 4101 San Jacinto, Houston, Texas
D. R. SPERRY & C O M P A N Y Batavia, Illinois • •
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VOL. 50, NO. 8
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AUGUST 1958
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