Patent ID: 8470344

Claim:
A method for preparing a ready-to-dissolve or ready-to-disperse composition of a difficult to dissolve in water compound comprising preparing a solution of at least one difficult to dissolve in water compound in at least one organic solvent; covering the surface of at least one substrate with the solution to form a matrix, wherein the substrate is insoluble in the at least one organic solvent but is soluble in water; and wherein the substrate is selected from the group consisting of ascorbic acid, boric acid, citric acid, salts of edetic acid, paraben esters, potassium or sodium lauryl sulfate, potassium or sodium salts of hydrohalogenic acids, potassium or sodium salts of phosphoric acid, benzalkonium chloride, sugars, ringer lactate and mixtures thereof; and removing the solvent to form a solid matrix.