Nalco Chemical Company

John M Ferrara

John T Malito

Kenneth A Gebler

Joseph Matt

Joseph V Grothaus

Scott F Ross

Richard D Wintermute

A concentrate of the type useful for preparing an oil-in-water emulsion lubricant used in the drawing and ironing of ferrous and non-ferrous metals comprising:

Polycarboxylic acid ester drawing and ironing lubricant emulsions and

An improved coal-water slurry of the type comprising at least 45% by weight of finely divided coal particles and a dispersing agent, said slurry being characterized as having a Brookfield viscosity at 60 rpm of less than 4,000 centipoise, the improvement which comprises adjusting the pH of said slurry to at least 6 and using as the dispersing agent, a water-soluble salt of an olefin/maleic acid copolymer having a molecular weight within the range of about between 3,000-50,000.

Coal-water slurry viscosity reduction using olefin/maleic acid salt

A novel mold coating comprising humic acid, and/or humic acid salts, and graphite in a liquid suspension containing organic bonding agents is disclosed as well as a method of forming ingots in which molten steel is poured into molds which are covered by the coating.

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Palos Heights, IL, United States of America

John M Ferrara