The organic or inorganic acid salts of pullulan aminoalkyl ether can be prepared by reacting pullulan aminoalkyl ether obtained as above with acids in a conventional manner.

• 普鲁兰氨基烃基醚的有机盐和无机盐可由普鲁兰氨基烃基醚与酸在常规条件下反应获得。