C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
402/357, 260/501
C07F 9/38 (2006.01) C08F 30/02 (2006.01) C08F 230/02 (2006.01)
Patent
CA 1224802
Abstract of the disclosure 2-Methacrylamido-2-methylpropanephosphonic acid of the formula I Image I is prepared by reaction of 2-methylprop-1-ene-1-phosphonic acid or 2-methylprop-2-ene-1-phosphonic acid the methacrylonitrile in the presence of an equimolar amount of a strong acid. The compound is suitable as such or in the form of its salts as comonomer for the manufacture of copolymers, which are used inter alia as dye- ing auxiliaries and as scale inhibitors.
451923
Rupp Walter
Weiss Erwin
Clariant Gmbh
Fetherstonhaugh & Co.
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