General notes on synthesis -- Soluble polyvinylpyrrolidone (Povidone) -- Insoluble polyvinylpyrrolidone (Crospovidone) -- Vinylpyrrolidone-vinyl acetate copolymer (Copovidone) -- Registration and toxicological data -- Literature references.The book describes the properties, analytical methods and the applications of different polyvinylpyrrolidone excipients (povidone, crospovidone, copovidone e…