C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
134/39
C02F 5/12 (2006.01) C23F 14/02 (2006.01)
Patent
CA 2034655
Abstract of the Disclosure: Water-soluble copolymers containing as characteristic monomers (a) from 99 to 50% by weight of monoethylenically unsaturated carboxylic acids of 3 to 8 carbon atoms or salts thereof and (b) from 1 to 50% by weight of monomers of the formula CH2=CH-NR2-CO-R1, where R1 and R2 are each H or C1-C6- alkyl, as copolymerized units and have K values of from 10 to 50, and the copolymers obtainable therefrom by elimina- tion of formyl groups with the formation of vinylamine units are suitable for use as water treatment agents for preventing scale formation and water hardness precipita- tion in water carrying systems.
Buechner Karl-Heinz
Denzinger Walter
Goeckel Ulrich
Gousetis Charalampos
Hartmann Heinrich
Basf Aktiengesellschaft
Borden Ladner Gervais Llp
Buechner Karl-Heinz
Denzinger Walter
Goeckel Ulrich
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