burlington n c the assignee of the present invention the cellulosic article garment or fabric is then dyed to the desired shade with the blocking and enhancing print pastes selectively either reducing the amount of dye on the fabric or enhancing the dye on the fabric if we measure the background and set it arbitrarily as 100 the enhanced regions are 250 deeper in color and the blocked regions are 90 lighter than the background further examples of the present invention can be seen in a camo print on 100 cotton knit fabric where various concentrations of the enhancer chemical are printed on and then dyed the present invention can be best understood by a review of the following examples a dye blocking print paste was prepared using both pre catalyzed glyoxal resin and a conventional glyoxal resin according to the amounts in weight percent shown in table 1 cotton fabric was printed with the dye blocking print paste the print paste was allowed to dry and cure and conventional reactive and direct dyeing were made the results are shown in table 1 below table 1______________________________________ pre catalyzed poly glyoxal glyoxal acrylic wetting shadeex paste resin resin acid agent difference______________________________________1 15 wt.