U.S. Pat. No. 4,585,812 A discloses a composition characterized by a non-aqueous liquid such as oil or xylene containing a dispersion of anhydrous water-swellable polymer particles where 1 part by weight is below 3 microns and 1 to 7 parts by weight (see col. 6, I. 25 to 34) are coarse particles of 10 to 300 microns.