| 发明名称 |
COLOR FORMER |
| 摘要 |
A color former for pressure- and heat-sensitive recording systems containing a) at least one 3,1-benzoxazine of the formula <IMAGE> b) at least one fluoran of the formula <IMAGE> c) at least one 3,1-benzoxazine of the formula <IMAGE> and/or at least one lactone of the formula <IMAGE> in which the substituents have the meanings given in the description, produces black colorations having good color intensity.
|
| 申请公布号 |
US5178670(A) |
申请公布日期 |
1993.01.12 |
| 申请号 |
US19910675343 |
申请日期 |
1991.03.25 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
KLUG, GUENTHER;BERNETH, HORST;JABS, GERT |
| 分类号 |
B41M5/136;B41M5/145;B41M5/30;B41M5/323;B41M5/327;C09B11/00;C09B11/26;C09B19/00;C09B67/22;C09K9/02 |
主分类号 |
B41M5/136 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
