Patent 7361399 was granted and assigned to International Paper on April, 2008 by the United States Patent and Trademark Office.
This invention relates to paper products and/or substrates that is multifunctional and suitable for use in a wide range of office printing equipment and contains a base sheet of cellulose fibers and a pigmented composition coated on said substrate, the coating containing a first pigment having a BET surface area of from 50 to 750 m2/g, a second pigment having a BET surface area of from 5 to 49 m2/g, and polymeric binder; as well as methods of making and using the same.