Patent ID: 6590023
Filing Date: 2003-07-08
Classification: B01D,B01J

Abstract:
A method of treating one or more components of a coating formulation containing two or more of said components to remove undesirable substances from the one or more component prior to introducing the coating formulation onto a web to be printed by an ink jet printer, the method comprising the steps of:a) determining the nature and amount of undesirable substances in the one or more components of the coating formulation, b) adjusting the pH of each of the one or more components having the undesirable substances, c) contacting each pH adjusted one or more components with a first activated carbon material, d) filtering each treated one or more components, e) contacting each of the thus treated one or more components with a second activated carbon material, and f) filtering each of the thus treated components and combining same with treated and untreated components of the coating formulation to yield a treated coating formulation having a reduced amount of the undesirable substances.