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US 4,272,297 AGranted
Compositions for use with papermaking fillers
AssigneeBlue Circle Industries Limited
InventorsKenneth Brooks, Leslie E. Shiel, David E. Smith
Life of this patent
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Abstract
A composition for flocculating filler in aqueous suspension for use in papermaking, comprising a starch, an organic polyelectrolyte capable of flocculating mineral filler particles in aqueous suspension, and at least one agent capable of regulating the mobility of a dispersion, particularly a substance moderating flocculation of suspended filler or a substance moderating the viscosity of the dispersion.
Claims16
A composition for flocculating filler in aqueous suspension intended for use in a papermaking furnish, comprising:
- (a) at least one starch, (b) an organic polyelectrolyte capable of flocculating mineral filler particles in aqueous suspension, and (c) at least one agent capable of regulating the mobility of a dispersion.
Dependencies are inferred from the claim text.