2-ACRYLAMIDO-2-METYL-PROPANFOSFONSYRE OG DENS SALTER, FREMGANGSMAATE TIL DENS FREMSTILLING OG DENS ANVENDELSE TIL FREMSTILLING AV KOPOLYMERE

摘要

1. Claims for the Contracting States : BE, CH, DE, FR, GB, IT, LI, NL, SE 2-Acrylamido-2-methylpropanephosphonic acid of the formula see diagramm : EP0089654,P4,F2 and the salts thereof. 1. Claim for the Contracting State : AT A process for the preparation of 2-acrylamido-2-methyl-propanephosphonic acid, which comprises reacting 2-methylprop-1-ene-1-phosphonic acid or 2-methylprop-2-ene-1-phosphonic acid or mixtures of these acids with acrylonitrile in the presence of an at least equimolar amount of a strong acid.