Patent application number | Description | Published |
20080272886 | Item Carrying at Least Two Data Storage Elements - An item according to the invention comprises at least two data storage elements such as e.g. an RFID transponder | 11-06-2008 |
20100307376 | SECURE DOCUMENT COMPRISING LUMINESCENT CHELATES - Aqueous thermal inkjet ink composition for the printing of security documents comprising at least one luminescent water-soluble lanthanide complex. | 12-09-2010 |
20110101088 | IDENTIFICATION AND AUTHENTICATION USING LIQUID CRYSTAL MATERIAL MARKINGS - The present invention relates to a marking of polymeric liquid crystal material having determined optical characteristics allowing its authentication and reading by a machine and its authentication by the human eye. The marking is applied onto an item, good or article by a variable information printing process. The marking is in the form of indicia representing a unique code which allows for an easy authentication by the human eye and a secure tracking and tracing of the marked item, good or article throughout its life cycle. | 05-05-2011 |
20110133445 | MARKING BASED ON MODIFIED CHIRAL LIQUID CRYSTAL POLYMERS - A liquid crystal polymer marking is obtainable by a process that comprises applying a chiral liquid crystal precursor composition onto a substrate, heating the composition to a first chiral liquid crystal state, applying to at least one area of the precursor composition a chiral dopant composition, heating the at least one area to bring same to a second chiral liquid crystal state, and subsequently curing and/or polymerizing the resultant product. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way. | 06-09-2011 |
20110135853 | MODIFIED MARKING BASED ON CHIRAL LIQUID CRYSTAL POLYMERS - A liquid crystal polymer marking is obtainable by a process that comprises applying a chiral liquid crystal precursor composition onto a substrate, heating the composition to a chiral liquid crystal state, applying to at least one area of the precursor composition a modifying composition, if necessary, heating the at least one area to bring same to a modified liquid crystal state, and subsequently curing and/or polymerizing the resultant product. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way. | 06-09-2011 |
20110135889 | MARKING BASED ON CHIRAL LIQUID CRYSTAL POLYMERS - A liquid crystal polymer marking is obtainable by a process that comprises applying a chiral liquid crystal precursor composition onto a substrate, heating the composition to a bring same to a chiral liquid crystal state, locally applying at least one modifying agent to modify the chiral liquid crystal state, and curing and/or polymerization the resultant product. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way. | 06-09-2011 |
20110135890 | CHIRAL LIQUID CRYSTAL POLYMER MARKING - A liquid crystal polymer marking is obtainable by a process that comprises applying a first chiral liquid crystal precursor composition onto a substrate, heating the composition to bring same to a first chiral liquid crystal state, applying to at least one area of the first composition a second chiral liquid crystal precursor composition, heating the at least one area to bring same to a second chiral liquid crystal state, and subsequently curing and/or polymerizing the resultant product. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way. | 06-09-2011 |
20110293899 | POLYMER-BONDED PERYLENE DYES AND COMPOSITIONS CONTAINING SAME - A method of increasing the solubility and/or dispersibility of a perylene dye in a liquid medium. The method comprises binding the perylene dye to a polymer which is soluble in the liquid medium. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way. | 12-01-2011 |
20120045839 | METHOD OF MARKING A PRODUCT, MARKED PRODUCT RESULTING THEREOF, AND METHOD OF IDENTIFYING SAME - A method and means for identifying the authenticity and the genuine nature of a solid or liquid bulk material, by incorporating a marking composition containing at least one trace ion into the said bulk material, whereby the total concentration of the incorporated trace ions in the market bulk material is chosen to be lower than the corresponding concentration of the same ions in standard sea water. The authenticity and the genuine nature or the adulteration level of the marked bulk material can be tested in-the-field using electrochemical sensors, and confirmed in the laboratory using a method such as atomic absorption spectroscopy, ion chromatography or mass spectrometry. | 02-23-2012 |
20120061470 | IDENTIFICATION AND AUTHENTICATION USING POLYMERIC LIQUID CRYSTAL MATERIAL MARKINGS - The present invention relates to a marking of polymeric liquid crystal material having determined optical characteristics allowing its authentication and reading by a machine and its authentication by the human eye. The marking is applied onto an item, good or article by a variable information printing process. The marking is in the form of indicia representing a unique code which allows for an easy authentication by the human eye and a secure tracking and tracing of the marked item, good or article throughout is life cycle. | 03-15-2012 |
20120273722 | IDENTIFICATION AND AUTHENTICATION USING LIQUID CRYSTAL MATERIAL MARKINGS - The present invention relates to a marking of polymeric liquid crystal material having determined optical characteristics allowing its authentication and reading by a machine and its authentication by the human eye. The marking is applied onto an item, good or article by a variable information printing process. The marking is in the form of indicia representing a unique code which allows for an easy authentication by the human eye and a secure tracking and tracing of the marked item, good or article throughout its life cycle. | 11-01-2012 |
20120299286 | POLYMER-BONDED QUATERRYLENE AND/OR TERRYLENE DYES AND COMPOSITIONS CONTAINING SAME - Method for increasing at least one of the solubility and dispersibility of a quaterrylene and/or terrylene dye in a liquid medium, including binding the quaterrylene or terrylene dye to a polymer which is soluble in the liquid medium. Various aspects relate without limitation to polymer-bonded quaterrylene or terrylene dyes, processes, markings, security features, articles and dye-doped polymers. | 11-29-2012 |
20120328852 | SUBSTRATE WITH A MODIFIED LIQUID CRYSTAL POLYMER MARKING - The present invention relates to a marking on an item or substrate, which marking is based on a chiral nematic (also called cholesteric) liquid crystal precursor composition. Prior to curing the chiral liquid crystal precursor composition in the chiral liquid crystal state at least one optical property exhibited by the composition is modified by two modifying agents of different types in at least one area of the item or substrate. | 12-27-2012 |
20130069003 | IDENTIFICATION AND AUTHENTICATION USING POLYMERIC LIQUID CRYSTAL MATERIAL MARKINGS - The present invention relates to a marking of polymeric liquid crystal material having determined optical characteristics allowing its authentication and reading by a machine and its authentication by the human eye. The marking is applied onto an item, good or article by a variable information printing process. The marking is in the form of indicia representing a unique code which allows for an easy authentication by the human eye and a secure tracking and tracing of the marked item, good or article throughout is life cycle. | 03-21-2013 |
20130256415 | MULTILAYER FLAKE WITH HIGH LEVEL OF CODING - 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. | 10-03-2013 |