发明授权
- 专利标题: Interference pigments containing reduced titanium oxide layers for preparing forgeryproof documents and packaging
- 专利标题(中): 含有还原氧化钛层的干涉颜料用于制备防伪文件和包装
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申请号: US737922申请日: 1996-12-02
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公开(公告)号: US5693135A公开(公告)日: 1997-12-02
- 发明人: Raimund Schmid , Norbert Mronga , Claus Kaliba , Werner Ostertag , Helmut Schmidt
- 申请人: Raimund Schmid , Norbert Mronga , Claus Kaliba , Werner Ostertag , Helmut Schmidt
- 申请人地址: DEX Ludwigshafen
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DEX Ludwigshafen
- 优先权: DEX4419089.1 19940601
- 主分类号: B41M3/14
- IPC分类号: B41M3/14 ; B44F1/12 ; C09C1/00 ; C09C1/28 ; C09D7/12 ; C09D11/00 ; D21H21/40 ; G07D7/00 ; C04B14/20 ; C09C1/62
摘要:
Interference pigments based on titanium dioxide-coated silicatic platelets which have been heated in a reducing atmosphere are useful for producing forgeryproof documents and packaging.