| 发明名称 |
Laser-markable paper and board products |
| 摘要 |
There is provided laser-markable paper and board products which include micronized polymers comprising of linear aromatic polyesters and/or of linear polyarylenes having a particle size of from 0.1 to 100 mum as absorber material and material for carbonization.
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| 申请公布号 |
US6306493(B1) |
申请公布日期 |
2001.10.23 |
| 申请号 |
US19980124848 |
申请日期 |
1998.07.30 |
| 申请人 |
MERCK PATENT GESELLSCHAFT |
发明人 |
BROWNFIELD ALEXANDRA |
| 分类号 |
D21H21/48;B41M5/26;D21H17/46;D21H17/53;D21H17/56;D21H19/24;D21H19/42;D21H19/62;D21H21/22;D21H21/40;D21H21/50;D21H21/52;(IPC1-7):B32B5/16 |
主分类号 |
D21H21/48 |
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