Mitchell Koppelman resumes & CV records
Resumes
Mitchell H Koppelman, Age 74Sanibel, FL
Mitchell Koppelman Phones & Addresses
Sanibel, FL
Springfield, NJ
204 10Th Ave, Seaside Park, NJ 08752 (908) 285-4721
170 Rockview Ave, North Plainfield, NJ 07060 (908) 561-8748
166 Rockview Ave, Plainfield, NJ 07060
Bellevue, WA
Bethlehem, PA
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Publications & IP owners
Us Patents
Processing Of Kaolinitic Clays At High Solids Under Acidic Conditions
US Patent:
4650521, Mar 17, 1987
Filed:
May 16, 1985
Appl. No.:
6/734939
Inventors:
Mitchell H. Koppelman - North Plainfield NJ
Ingrid K. Migliorini - Linden NJ
Ingrid K. Migliorini - Linden NJ
Assignee:
Georgia Kaolin Company, Inc. - Union NJ
International Classification:
C04B 1400
US Classification:
106309
Abstract:
A process for beneficiating a crude kaolinitic clay mineral to produce a clay filler for use in papermaking to improve the brightness, the color characteristics and the light scattering efficiency of the paper product. The crude kaolin clay is blunged with water containing a dispersing agent consisting of a blend of from about 20% to about 50% by weight of a water-soluble carbonate, about 20% to about 50% by weight of a water-soluble polyacrylate, and from 0% to about 60% by weight of a water-soluble anionic phosphate, to form a high solids fluid aqueous clay suspension having an acidic pH. This clay suspension is then fractionated to reduce the percentage of particles therein larger than 45 microns to not more than 0. 2% by weight. The fractionated clay suspension is treated with an alkaline leaching solution containing a reducing agent effective in converting ferric ions to ferrous ions.
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