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:
Oct. 21, 2014
Filed:
Mar. 13, 2013
Sicpa Holding SA, Prilly, CH;
Andrea Callegari, Chavannes-près-Renens, CN;
Frédéric Gremaud, Epagny, CH;
Cécile Pasquier, Marly, CH;
Tristan Jauzein, Lausanne, CH;
Olivier Rozumek, La Pâquier-Montbarry, CH;
Brahim Kerkar, Pully, CH;
Thomas Tiller, Bussigny, CH;
Stéphanie Rascagneres, Orcier, FR;
Sicpa Holding SA, Prilly, CH;
Abstract
Coding flake or film including at least two chiral liquid crystal polymer (CLCP) layers with a first CLCP layer that has a first detectable parameter and a second CLCP layer including a second detectable parameter; at least one additional layer including a third detectable parameter, the at least one additional layer comprising a material that is not a chiral liquid crystal polymer; and wherein at least the third detectable parameter is different from each of the first detectable parameter and the second detectable parameter.