the ink jet paper coating composition which when applied to a paper substrate provides excellent ink jet printability application_number US 95758401 A description the aqueous pigment dispersion typically consists of at least about 90 by weight fine particle size calcium carbonate at solids levels ranging from 10 to 50 preferably 20 to 30 up to about 10 of other paper pigments such as clays silica and titanium dioxide may also be present the fine particle size calcium carbonate has a mean surface area of at least 50 m 2 g preferably at least 80 m 2 g fine particle size calcium carbonate can be prepared by heat aging and or milling precipitated calcium carbonate such as the method described in u s pat nos 5 643 631 and 5 783 038 calcium carbonate having a mean surface area of 80 m 2 g is available commercially tinder the trademark jetcoa u2122 30 specialty pcc from specialty minerals suitable fine particle size low molecular weight partially hydrolyzed poly vinyl alcohol powder for use in this invention can be 70 to 90 preferably 85 to 90 and most preferably 87 to 89 mole hydrolyzed have a degree of polymerization dpn of 50 to 600 preferably 150 to 300 and an average particle size of 200 u03bcm or less preferably 180 u03bcm or less an example.