Process for treatment of water and of surfaces in contact with t

Details Process for treatment of water and of surfaces in contact with t Process for treatment of water and of surfaces in contact with t

1996-04-01

1998-07-07

McCarthy, Neil

Liquid purification or separation

Processes

Chemical treatment

210764, 106 18, 106 1832, 252180, 514674, C09D 514

Patent

active

057763526

ABSTRACT:
The invention relates to a process for the treatment of water and of surfaces in contact with the said water in order to prevent the attachment and/or to, remove and/or to control macroorganisms, in particular molluscs, on the said surfaces in contact with the water, in which process at least one biocidal and/or biostatic active product is employed which is injected into the water and/or applied to the said surfaces, according to which process the active product(s) used comprise(s) at least one polyamine of formula I:
in which formula R.sub.1 is a C.sub.8 -C.sub.22 alkyl or alkenyl radical and/or at least one monoamine of formula II:

REFERENCES:
patent: 2382976 (1945-08-01), Coleman
patent: 4049417 (1977-09-01), Witzel
patent: 4212674 (1980-07-01), Strauch
patent: 4304590 (1981-12-01), Grade
patent: 4562042 (1985-12-01), Moran
patent: 5236493 (1993-08-01), Hunter
patent: 5304237 (1994-04-01), Barth
patent: 5312558 (1994-05-01), West

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