| 发明名称 |
Multilayer cholesteric pigments |
| 摘要 |
A platelet-shaped cholesteric multilayer pigment which comprises the layer sequence A/B/ and if desired C,whereA and C independently of one another are at least one partly light-permeable absorption layer, andB is at least one cholesteric layer.
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| 申请公布号 |
US6531221(B1) |
申请公布日期 |
2003.03.11 |
| 申请号 |
US20000673661 |
申请日期 |
2000.11.06 |
| 申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
SCHUHMACHER PETER;SCHNEIDER NORBERT;SCHMID RAIMUND;BEST WOLFGANG;BLASCHKA PETER;MEYER FRANK |
| 分类号 |
C09B67/02;C09B67/00;C09C3/10;C09D5/36;C09D11/00;C09D201/00;C09K19/00;(IPC1-7):B32B5/16 |
主分类号 |
C09B67/02 |
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