FIELD: paper-making. SUBSTANCE: invention provides composition containing fine cationic particles of inorganic material treated by at least one polysaccharide or anionically modified polysaccharide. Treated particles are added to cellulosic fibers in the course of alkaline process of manufacturing paper. This process as well as paper thereby manufactured are also claimed. EFFECT: increased strength of paper. 25 cl, 5 tbl, 37 ex
