发明名称 |
Heat-sensitive recording materials |
摘要 |
A heat-sensitive recording material is disclosed. The material is comprised of a support base having a color forming layer positioned thereon. The layer is comprised of an electron donating colorless dye, an electron accepting compound, a naphthol derivative, and a urea derivative and/or a urethane derivative. The recording material can provide good color density and color sensitivity.
|
申请公布号 |
US4520377(A) |
申请公布日期 |
1985.05.28 |
申请号 |
US19830539901 |
申请日期 |
1983.10.07 |
申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
IWAKURA, KEN;IGARASHI, AKIRA |
分类号 |
B41M5/337;(IPC1-7):B41M5/18 |
主分类号 |
B41M5/337 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|