Aqueous dispersion of silicone oil and method of adding silicone

Coating processes – Medical or dental purpose product; parts; subcombinations;... – Analysis – diagnosis – measuring – or testing product

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4274301, 427244, 427348, 427352, 427350, 427240, 252321, 252358, 210777, B05D 118, B01D 1900, B01D 3702

Patent

active

054589053

ABSTRACT:
About 0.01% to 10% of an antifoam silicone oil having a predetermined viscosity of at least about 100 cp is dispersed in an aqueous solution of a water-soluble gum having a viscosity within about 20% of the predetermined viscosity of the silicone oil. A substrate is contacted with the dispersion so as to form a dispersion-wetted substrate and at least a part of the aqueous solution is removed from the substrate, wherein the silicone oil remains in the substrate.

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H. Bennett, Practical Emulsions, (Chemical Publishing Co., Inc., Brooklyn, N.Y., 1943) pp. 56-79.
Hemocol.TM. Clinical Data Summary (Revised Jul. 1976), W/C Warner/Chilcott, Division, Warner-Lambert Co. Morris Plains, N.J. 07950.
Whistler, Roy L., Industrial Gums Polysaccharides and Their Derivatives, Second Edition, (Academic Press, N.Y., 1973) pp. 6-7.
Hawley's Condensed Chemical Dictionary, (Van Nostrand Reinhold Co Limited, NY, N.Y, 1987) pp. 19, 224, 225, 472, 581, 931, 932.

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