Using the preparations for use in compositions for machine dishwashing, machine dishwashing methods, the use of the copolymer

A preparations for dishwashing, provides the manufacture and use. A (a1.1) at least one N- vinyl amides, (a1.2) vinyl acetate, (a1.3) at least one polyether, and (A1.4) optionally at least one further a copolymer comonomers are copolymerized obtained by (a1) at least one consisting, At least one alkoxylate of the general formula (Variable .R When, for use in compositions for machine dishwashing a preparations containing. BACKGROUND OF THE INVENTION None