| US 7,507,452 B2 | ||
| Printing method using pearl pigment | ||
| Kozo Odamura, Tokyo-To (Japan); Takayuki Imai, Tokyo-To (Japan); and Shinichi Yunoki, Tokyo-To (Japan) | ||
| Assigned to Dai Nippon Printing Co., Ltd., Tokyo (Japan) | ||
| Filed on Oct. 01, 2003, as Appl. No. 10/677,122. | ||
| Claims priority of application No. 2002-290252 (JP), filed on Oct. 02, 2002. | ||
| Prior Publication US 2004/0209774 A1, Oct. 21, 2004 | ||
| Int. Cl. B41M 5/20 (2006.01) | ||
| U.S. Cl. 428—32.75 [428/32.79; 503/204] | 15 Claims |
| 1. A printing method by thermal transfer using a thermal transfer sheet comprising the steps of:
providing a substrate and the thermal transfer sheet comprising a substrate sheet, a pigment- or dye-containing first colorant
and a pearl pigment-containing second colorant in this order side by side provided on a surface of the substrate sheet;
forming, on a surface of the substrate, a first image using the first colorant; and
forming a second image using the second colorant which further comprises a fluorescent agent or a fluorescent brightening
agent wherein the thermal transfer method comprises the thermal transfer of the first colorant and/or the second colorant
onto an intermediate thermal transfer sheet.
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