Process of stabilizing cellulose by impregnation with a salt of an organic basic nitrogen compound containing a hydroxyl group and a partial ester of a polyhydric alcohol and polycarboxylic acid and product thereof

Claim 1

THE PROCESS OF DIMENSIONALLY STABILIZING MATERIAL COMPOSED OF CELLULOSE UPON SUBJECTION OF SAID MATERIAL TO VARYING HUMIDITY CONDITIONS, COMPRISING IMPREGNATING SAID MATERIAL WITH AN AQUEOUS SOLUTION OF A SALT FORMED BY REACTING AN ORGANIC BASIS NITROGEN COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ALKANOLAMINE CONTAINING A SINGLE AMINO GROUP AND A SINGLE HYDROXY GROUP SUBSTITUTED IN EACH ALKYL RADICAL, AN ALKANOL SUBSTITUTED POLYAMINE, N-HYDROXYETHYL MORPHOLINE, AN ALKANOL SUBSTITUTED GLYOXALIDINE, 8-QUINOLINOL, AN ALKANOL SUBSTITUTED AMMONIUM HYDROXIDE, AN AMINO GLYCOL, AN AMINOARYL SUBSTITUTED ALIPHATIC ALCOHOL AND AN AMINO PHENOL WITH A PARTIAL ESTER OF A POLYHYDRIC ALCOHOL AND A POLYCARBOXYLIC ACID, SAID ESTER CONTAINING AT LEAST ONE FREE HYDROXYL GROUP AND AT LEAST ONE HYDROXYL GROUP WHICH IS PART OF A CARBOXYL GROUP, SAID ESTER HAVING BEEN FORMED BY REACTING SAID POLYHYDRIC ALCOHOL AND SAID POLYCARBOXYLIC ACID IN SUBSTANTIALLY EQUIMOLECULAR PROPORTION AT AN ELEVATED TEMPERATURE AND STOPPING SAID REACTION AFTER THE ACIDITY HAS BEEN REDUCED BY A FRACTION OF