Patent ID: 7743704

Claim:
A method of direct printing a printed matter on a soap bar or a soap sheet, said method comprising steps of: a. providing said soap bar or said soap sheet whilst said soap bar or said soap sheet is partially wet; b. providing an inkjet printer and inkjet ink therein; said inkjet ink is heated to a predetermined temperature as required for optimizing coating performance and for better adhesion of said inkjet ink to the surface of said soap bar or said soap sheet; c. ink-jetting said heated inkjet ink directly onto at least one surface of said soap bar or said soap sheet; wherein said inkjet ink is in direct physical contact with said surface; d. applying at least one water-immiscible printed matter protective layer onto said ink-jetted soap surface; thereby sealing said soap surface from water contact; wherein said ink is printed onto said soap bar or said soap sheet, while said soap bar or said soap sheet is partially wet, in said ink-jetting step before fully drying said soap bar or said soap sheet.