Scale inhibition in water systems

Details Scale inhibition in water systems Scale inhibition in water systems

2004-07-23

2009-08-11

Hruskoci, Peter A (Department: 1797)

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

C166S279000, C166S310000, C210S701000, C252S180000, C507S237000

Reexamination Certificate

active

07572381

ABSTRACT:
The present invention relates to use of compositions comprising: (a) a copolymer of an unsaturated phosphonic acid (or salt of such an acid) with an unsaturated sulphonic acid (or salt of such an acid) or an unsaturated carboxylic acid (or salt of such an acid); or (b) a terpolymer of an unsaturated phosphonic acid (or salt of such an acid) with an unsaturated sulphonic acid (or salt of such an acid) and an unsaturated carboxylic acid (or salt of such an acid). These compositions are used to control the formation of scale in water systems.

REFERENCES:
patent: 4105551 (1978-08-01), Smith et al.
patent: 4650591 (1987-03-01), Boothe et al.
patent: 4681686 (1987-07-01), Richardson et al.
patent: 5376731 (1994-12-01), Kerr et al.
patent: 5980776 (1999-11-01), Zakikhani et al.
patent: 6071434 (2000-06-01), Davis et al.
patent: 6767989 (2004-07-01), Davis et al.
patent: 6995120 (2006-02-01), Crossman et al.
patent: 0 643 081 (1995-03-01), None
patent: 0 861 846 (1998-02-01), None
International Search Report and Written Opinion of the International Searching Authority issued in PCT International Application No. PCT/GB2004/003197.

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