Optically variable security threads and stripes

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United States of America Patent

PATENT NO 9701152
SERIAL NO

14424783

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Abstract

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Security threads or stripes include a substrate and i) a first optically variable layer imparting a first different color impression at different viewing angles, ii) a second optically variable layer imparting a second different color impression at different viewing angles, iii) a first color constant layer having a color matching the color impression of the first or second optically variable layer at a first viewing angle, iv) a second color constant layer having a color matching the color impression of the first or second optically variable layer at a second viewing angle, and v) one or more material-free regions, wherein the first optically variable layer, the second optically variable layer, the first color constant layer, the second color constant layer and the one or more material-free regions are jointly visible from one side of the security thread or stripe.

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Patent Owner(s)

Patent OwnerAddress
SICPA HOLDING SAAVENUE DE FLORISSANT 41 PRILLY 1008
CHINA BANKNOTE SICPA SECURITY INK CO LTDYUN CHENG ROAD 5 BEIJING ECONOMIC & TECHNOLOGICAL DEVELOPMENT AREA BEIJING 100176
ZHONGCHAO SPECIAL SECURITY TECHNOLOGY CO LTDBEIJING 100070
CHINA BANKNOTE PRINTING AND MINTING CORPORATION100044 BEIJING CITY XICHENG DISTRICT XIZHIMEN STREET NO 143 MUNICIPAL DISTRICT BEIJING CITY 100044

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Degott, Pierre Crissier, CH 66 993
Hu, Chunhua Beijing, CN 81 304
Li, Xiang Beijing, CN 1551 13938
Ritter, Gebhard Lausanne, CH 21 706
Sun, Fangyi Beijing, CN 2 15
Wang, Weiru Beijing, CN 30 729
Ye, Zhongdong Beijing, CN 3 18

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