The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 11, 2017
Filed:
Aug. 29, 2012
Gebhard Ritter, Lausanne, CH;
Pierre Degott, Crissier, CH;
Zhongdong YE, Beijing, CN;
Fangyi Sun, Beijing, CN;
Weiru Wang, Beijing, CN;
Chunhua HU, Beijing, CN;
Xiang LI, Beijing, CN;
Gebhard Ritter, Lausanne, CH;
Pierre Degott, Crissier, CH;
Zhongdong Ye, Beijing, CN;
Fangyi Sun, Beijing, CN;
Weiru Wang, Beijing, CN;
Chunhua Hu, Beijing, CN;
Xiang Li, Beijing, CN;
SICPA HOLDING SA, Prilly, CH;
CHINA BANKNOTE PRINTING AND MINTING CORPORATION, Beijing, CN;
ZHONGCHAO SPECIAL SECURITY TECHNOLOGY CO., LTD., Beijing, CN;
CHINA BANKNOTE SICPA SECURITY INK CO., LTD., Beijing, CN;
Abstract
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.