Patent 7964271 was granted and assigned to Xerox on June, 2011 by the United States Patent and Trademark Office.
The presently disclosed embodiments are directed to image forming mediums useful for reimageable and transient documents. More particularly, the embodiments pertain to an image forming medium comprising photochromic materials comprising unsymmetrical dithienylethene (DTE) photochromes which provide longer image lifetimes and “erase-on-demand” capability.