Composition useful for conditioning sludge derived from the...

Details Composition useful for conditioning sludge derived from the... Composition useful for conditioning sludge derived from the...

2005-02-15

2005-02-15

Barry, Chester T (Department: 1724)

Compositions

Water-softening or purifying or scale-inhibiting agents

Plant or organic material containing

C252S181000, C210S609000

Reexamination Certificate

active

06855268

ABSTRACT:
The invention concerns a composition useful for conditioning sludge obtained by mixing an invert emulsions containing at least a cationic polyelectrolyte with an invert emulsion or an aqueous solution containing at least a mineral cation with a charge not less than two. The invention also concerns the corresponding applications.

REFERENCES:
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patent: 4617362 (1986-10-01), Becker et al.
patent: 5200086 (1993-04-01), Shah et al.
patent: 5763530 (1998-06-01), Chen et al.
patent: 5830388 (1998-11-01), Kigel et al.
patent: 5906750 (1999-05-01), Haase
patent: 6090886 (2000-07-01), Konno et al.
patent: 6120690 (2000-09-01), Haase
patent: 6168686 (2001-01-01), Sutman et al.

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