| 发明名称 |
Interference pigments containing reduced titanium oxide layers for preparing forgeryproof documents and packaging |
| 摘要 |
PCT No. PCT/EP95/01871 Sec. 371 Date Dec. 2, 1996 Sec. 102(e) Date Dec. 2, 1996 PCT Filed May 17, 1995 PCT Pub. No. WO95/33009 PCT Pub. Date Dec. 7, 1995Interference pigments based on titanium dioxide-coated silicatic platelets which have been heated in a reducing atmosphere are useful for producing forgeryproof documents and packaging.
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| 申请公布号 |
US5693135(A) |
申请公布日期 |
1997.12.02 |
| 申请号 |
US19960737922 |
申请日期 |
1996.12.02 |
| 申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
SCHMID, RAIMUND;MRONGA, NORBERT;KALIBA, CLAUS;OSTERTAG, WERNER;SCHMIDT, HELMUT |
| 分类号 |
B41M3/14;B44F1/12;C09C1/00;C09C1/28;C09D7/12;C09D11/00;D21H21/40;G07D7/00;(IPC1-7):C04B14/20;C09C1/62 |
主分类号 |
B41M3/14 |
| 代理机构 |
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代理人 |
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| 主权项 |
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