Patent application number | Description | Published |
20110148092 | Laser Imaging and Its Use In Security Applications - A method of forming an invisible indicium on an article that comprises an outer opaque layer and an inner, laser-imageable layer, which comprises ( | 06-23-2011 |
20110151380 | DATA STORAGE MEDIUM - A data storage medium comprising recording information in the form of a track of data points, the colour of each data point being selected from at least three different colours, wherein the recording information is disposed on a substrate which comprises a colour forming composition, wherein said colour forming comprises a colour former which is susceptible to changing to at least three different colours when irradiated with a laser, wherein the colour former is a leuco dye, a diacetylene or a carbazole. Methods of forming the data storage medium and methods of reading the medium are also provided. | 06-23-2011 |
20110151384 | Colour Forming Composition - A composition comprising i) a colour forming component which is susceptible to changing colour when irradiated; ii) an amine neutralised alkylaromatic sulphonic acid; and iii) a binder. Methods of marking a substrate comprising incorporating within or applying to a substrate the composition of this invention, and substrates coated with the composition, are also provided. | 06-23-2011 |
20110155815 | MULTI-COLOURED CODES - The invention relates to a method of storing information in or on an article, wherein the article comprises a colour former which is selectively irradiated to produce a multi-coloured code comprising at least three different colours. Also provided by the invention is an article comprising a multi-coloured code comprising at least three different colours, obtainable by the method of the invention. | 06-30-2011 |
20110159268 | Energy Activated Compositions - A composition susceptible to changing colour upon the application of energy, wherein the composition comprises a colour former and a tinting colourant, wherein the tinting colourant has a complementary colour to that of the composition comprising the colour former without tinting colourant. Preferably, the composition | 06-30-2011 |
20110167572 | Textile Colouration - A textile comprising a diacetylene compound which is capable of changing colour when irradiated with light energy. Methods of imparting colour to textiles comprising irradiating the textile with light energy are also provided. | 07-14-2011 |
20110171438 | Laser Imageable Paper - A method of manufacturing a paper substrate comprising a colour former which is capable undergoing a light activated colour change reaction, wherein the colour former is applied to the paper substrate during the manufacture of said paper substrate, and the colour former is a metal oxyanion or a molecular organic. A paper substrate obtainable by this method is also provided. | 07-14-2011 |
20110183126 | Substrate Marking - The invention relates to a method of marking a substrate comprising treating the substrate with a boron compound and a charrable agent, and, irradiating the areas of the substrate to be marked such that those areas change colour. Marked substrates obtainable by this method are also provided. | 07-28-2011 |
20120021362 | Laser Imaging - A method of forming an image on a substrate, which comprises applying to the substrate an activatable colour forming compound wherein said activatable colour forming compound is initially unreactive but becomes reactive upon activation; activating said colour forming compound in the areas of the substrate where the image is to be formed, and, reacting the activated colour forming compound into its coloured form to produce an image. A substrate imaged using this method is also provided. | 01-26-2012 |
20120021363 | Co-Crystals and Their Use - A method of forming an image on a substrate by irradiation thereof, wherein the substrate comprises therein or thereon a co-crystal of a polymerisable unsaturated monomer and a spacing component, wherein the co-crystal is capable of undergoing a radiation-activated colour change reaction. A co-crystal of a diacetylene and a spacing component, whereby the reactivity of the diacetylene is reduced is also provided, together with a surface coating composition comprising this co-crystal. | 01-26-2012 |
20140099267 | NEAR INFRARED ABSORBERS - An ink formulation having a marking component and a reduced indium tin oxide (r-ITO) is disclosed. The r-ITO in powder form exhibits a lightness (L*), according to the 1976 CIE (L*, a*, b*) space, of not more than 50. | 04-10-2014 |
20140147392 | NOVEL MARKING COMPOUND - Water soluble marking compounds comprising a transition metal oxyanion and at least one ammonium cation, comprising a nitrogen atom at least one further group selected from the group consisting of OH, COOH, NH2, NHC | 05-29-2014 |
20140147775 | NOVEL INK FORMULATION - The disclosed invention relates to the use of molybdenum (VI) peroxo complex containing an amino acid, such as MoO(O | 05-29-2014 |
20140342903 | LAMINATED COLOR FORMING COMPOSITION - A substrate coated with a markable ink formulation, comprising a thermo activated acid generator (TAG) and a halochromic leuco dye. The thermo activated acid generator is selected form the group consisting of: an amine salt of an organic metal compound comprising boron or silicone and amine neutralized polyalkylnaphthalene polysulphonic acid derivatives. Further, the substrate is covered by a thermoplastic polymer layer, such that the ink formulation is situated between the substrate and the thermoplastic polymer layer and/or in the thermoplastic polymer layer. | 11-20-2014 |
20140371063 | LAMINATION OF AOM - A substrate coated with a markable ink formulation, comprising AOM. Further, the substrate is covered by a thermoplastic polymer layer, such that the ink formulation is situated between the substrate and the thermoplastic polymer layer and/or in the thermoplastic polymer layer. | 12-18-2014 |