Stable aqueous suspensions of inorganic silica-based materials i

Details Stable aqueous suspensions of inorganic silica-based materials i Stable aqueous suspensions of inorganic silica-based materials i

1991-02-21

1993-03-02

Stoll, Robert L.

Compositions

Preservative agents

Anti-corrosion

2523152, 252173, 25217417, 25217421, 25217425, B01J 1300, C11D 1708, C11D 1700

Patent

active

051906937

ABSTRACT:
Aqueous suspensions of a silica-based inorganic material insoluble in water and in a finely subdivided form, stabilized with at least one organic polymeric compound containing hydroxylic groups and with an ammonium or phosphonium quaternary compound of the formula: ##STR1## wherein: B is nitrogen or phosphorus; A is either mono or polyvalent anion, while A.sub.1.sup.- is SO.sub.3.sup.- or COO.sup.-.

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Derwent Abstract, C85-097756 (XRAM), 85-224709/37 (AN).
Hawley, G. G., The Condensed Chemical Dictionary, (New York, Van Nostrand Reinhold Co., 1984), 10th Ed., p. 1099.

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