John S Ferrara

US Patent:

44418884, Apr 10, 1984

Filed:

May 21, 1982

Appl. No.:

6/380488

Inventors:

Joseph Matt - Downers Grove IL
John M. Ferrara - Palos Heights IL

Assignee:

Nalco Chemical Company - Oak Brook IL

International Classification:

C10L 132

US Classification:

44 51

Abstract:

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.

US Patent:

47675543, Aug 30, 1988

Filed:

Sep 18, 1987

Appl. No.:

7/098438

Inventors:

John T. Malito - Oswego IL
Richard D. Wintermute - Glen Ellyn IL
Scott F. Ross - Chicago IL
John M. Ferrara - Palos Heights IL

Assignee:

Nalco Chemical Company - Naperville IL

International Classification:

C10M17300

US Classification:

252 495

Abstract:

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: ______________________________________ Ingredient % by Weight ______________________________________ A carboxylic acid ester from the 60-90 group consisting of: (a) Dibasic acid having at least 70% by weight of its carboxylic acid groups esterified with a C. sub. 4 -C. sub. 30 mohydric alcohol (b) A C. sub. 8 -C. sub. 22 mono carboxylic acid ester of a polyhydric alcohol. Water-in-oil emulsifying agent,. 5-30 Polyglycol co-emulsifier 2-4 Phosphate corrosion inhibitor 0. 5-2 Copper corrosion inhibitor 0. 2-1 Thickener 0-10 ______________________________________ the improvement which comprises said composition having an Iodine number not greater than 5.