1Espy, Herbert H. Absorbance and permanent wet--strength in lissue and toweling paper. U.S. Pat 5,316,623. 1994.
2Lyness, Warren lrl Gloss; Robert Andrew, et al. Fibrous assemblies from cationically and anionically charged fibers, U.S.Pat3,998,690. 1976.
3Jones; Newlyn (Berwick-upon-Tweed,GB2); Stewart, er al. Paper having good absorbency and alkali resistance and methodof making said paper. U.S. Pat 4,218,286.1980,.