Kohichi Satoh

Vinylamine copolymer, flocculating agent and paper strength increasing agent using the same, as well as process for producing the same

Vinylamine copolymer flocculating agent etc.

Vinylamine copolymer, flocculating agent using the same, and process for preparing the same

Vinylamine copolymer and process for producing same

Process for producing n-substituted formamides

Paper-making additives comprising cationic polymers

Process for preparing water-soluble polymer

N-vinylformamide compositions

Papierherstellungsadditive auf der Grundlage von kationischen Polymeren sowie deren Verwendung

Paper prodn. additive for improving beating, filler retention, etc. - consists of a cationic polymer contg. cyclic amidine unit(s) and opt. amido, nitrile and amino unit(s) derived from (meth)acrylic monomer(s)