| US 7,538,070 B2 | ||
| Thermochromic recording medium | ||
| Gabriel Iftime, Mississauga (Canada); Peter M. Kazmaier, Mississauga (Canada); and Kyra Ramirez, Mississauga (Canada) | ||
| Assigned to Xerox Corporation, Norwalk, Conn. (US) | ||
| Filed on Jun. 07, 2005, as Appl. No. 11/146,706. | ||
| Prior Publication US 2006/0286481 A1, Dec. 21, 2006 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. B41M 5/28 (2006.01); B41M 5/32 (2006.01) | ||
| U.S. Cl. 503—201 [503/214; 503/218] | 19 Claims |
| 1. A reimageable medium comprising:
a substrate; and
a thermochromic composition comprising a spiroxazine and a transition metal salt.
|