Method for flocculating clay and composition produced thereby

Details Method for flocculating clay and composition produced thereby Method for flocculating clay and composition produced thereby

Filed on

1995-08-18

Date issued

1997-05-20

Examiner

Hoke, Veronica P.

Patent Class

Stock material or miscellaneous articles

SubClass

Web or sheet containing structurally defined element or...

SubSubClass

Including a second component containing structurally defined...

Other Related Categories

2523155, 524446, 4285375, B32B 516, B32B 2900, C08K 334

Type

Patent

Status

active

Patent number

056310803

Description

ABSTRACT:
The invention is a method for flocculating clay including the steps of preparing a dispersion of a processed clay containing a polymer as a flocculating agent. The polymer is present in an amount sufficient to cause bridging of particles of the clay in the dispersion by the polymer. Then the dispersion is mixed to cause the polymer to bridge the particles and the particles flocculate. The invention also includes a structured clay produced by this method.

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patent: 4943324 (1990-07-01), Bundy et al.
patent: 5085707 (1992-02-01), Bundy et al.
patent: 5168083 (1992-12-01), Matthews et al.
patent: 5198490 (1993-03-01), Berg et al.

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