| 发明名称 |
DOPPELBRECHENDE MARKIERUNG |
| 摘要 |
The invention relates to a birefringent marking comprising a liquid crystal material. The invention further relates to method of providing such a birefringent marking and to the use of the birefringent marking for decorative or security applications. |
| 申请公布号 |
AT337191(T) |
申请公布日期 |
2006.09.15 |
| 申请号 |
AT20020730076T |
申请日期 |
2002.03.28 |
| 申请人 |
MERCK PATENT GMBH |
发明人 |
KUNTZ, MATTHIAS;HAMMOND-SMITH, ROBERT;PATRICK, JOHN;GRAHAM, DONALD, G.;RIDDLE, RODNEY |
| 分类号 |
B41M1/14;B41M3/00;B41M3/14;B42D1/00;B42D15/00;B42D25/29;B42D25/324;B42D25/328;B42D25/36;B42D25/364;B42D25/378;G02B5/30 |
主分类号 |
B41M1/14 |
| 代理机构 |
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代理人 |
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