Patent application number | Description | Published |
20080287689 | Heat-stable diketopyrrolopyrrole pigment mixtures - The present invention relates to a process for the preparation of a mixture comprising at least two structurally different diketopyrrolopyrrole pigments of formula | 11-20-2008 |
20090099282 | Functionalized nanoparticles - The present invention discloses functionalized nanoparticles comprising on the surface a covalently bound radical of formula (1), wherein the nanoparticles are SiO | 04-16-2009 |
20090130400 | Colorant compositions containing an oxonol dye - The present invention relates to a colorant composition comprising (i) an oxonol dye of general formula (I) wherein R | 05-21-2009 |
20100034961 | PHOTOSTABILIZED TIME TEMPERATURE INDICATOR - The present invention relates to time-temperature indicator (TTI) systems comprising spiropyran indicator of formula (I) wherein R | 02-11-2010 |
20100162494 | FUNCTIONALIZED NANOPARTICLES - Functionalized nanoparticles, which are obtainable by combining in a first step a functionalized dyestuff, a silicon-based spacer and a catalyst, and in a second step reacting the product obtained in the first step with a co-reactive organic silicon, aluminum, zirconium or titanium compound. Optionally, the thus obtained functionalized nanoparticles can be combined or encapsulated with a polymer. The functionalized nanoparticles are useful as colorants and fluorescents in plastics, paints, inks, electronic materials, cosmetic articles, and the like. | 07-01-2010 |
20110059545 | TIME-TEMPERATURE INDICATOR BASED ON OLIGOMERIC SPIROAROMATICS - The present invention relates to a time temperature indicator for indicating a temperature change over time comprising one dimeric or trimeric spiropyran indicator of the formula I or II wherein R | 03-10-2011 |
20110139059 | TIME TEMPERATURE INDICATOR COMPRISING INDOLENIN BASED SPIROPYRANS CONTAINING A N-ACETYLAMIDO OR N-ACETYLESTER SIDE CHAIN - The present invention relates to time-temperature indicator (TTI) systems comprising indolenin based spiropyrans containing a N-acetylamido or N-acetylester side chain, especially to a time temperature indicator comprising at least one spiropyran indicator of formula (I) Wherein R | 06-16-2011 |
20110217786 | OPTIMIZED TIME TEMPERATURE INDICATOR - The present invention relates to a time temperature indicator comprising a spiropyran in a colored state and a modifier which is able to control the coloration and decoloration kinetics. The modifier which must be able to form with the spiropyran mixed solids with an amorphous, crystalline or mixed amorphous-crystalline structure. | 09-08-2011 |
20110269242 | TIME TEMPERATURE INDICATOR COMPRISING INDOLENIN BASED SPIROPYRANS - The present invention relates to time-temperature indicator (TTI) systems comprising indolenin based spiropyrans containing a cyclohexyl residue of formula (I), a method of manufacturing the time temperature indicator system, and a method of determining the time temperature history of perishable goods using the system. Moreover, the invention relates to a matrix selected from a printing ink or printing ink concentrate, paint, varnish, label, packaging material, and polymeric material comprising the system. | 11-03-2011 |
20110297898 | PREPARATION OF A PHOTOCHROMIC INK - The present invention relates to a photochromic ink, the process for its preparation which is based on a spiropyran powder obtainable by melting, cooling and crushing, and to a new form of a spiropyran obtainable thereby. Said process to prepare a photochromic ink comprises the steps of a) heating and melting the spiropyran at a temperature below 250 C, b) cooling the melt to obtain a solidified spiropyran, c) crushing the solidified spiropyran to obtain a powder, d) optionally adding the powder to a binder providing the basis for the photochromic ink. | 12-08-2011 |
20120022261 | Colorant Compositions Containing an Oxonol Dye - The present invention relates to an oxonol dye of formula (I) | 01-26-2012 |
20120100395 | INDICATOR SYSTEM FOR MONITORING A STERILIZATION PROCESS - The present invention relates to a device for monitoring integral value of time, temperature comprising at least one layer of polymer comprising a latent pigment capable of undergoing at least one colour change, and an organic acid; or comprising one layer of polymer comprising a latent pigment capable of undergoing at least one colour change, and one layer of polymer comprising an organic acid, wherein said latent pigment is converted to its pigmentary form which causes said colour change. The device can be used for monitoring sterilization of medical and kitchen supplies, canned foods and doneness of microwave foods. | 04-26-2012 |
20130026428 | PREPARATION OF A PHOTOCHROMIC INK - The present invention relates to a photochromic ink, the process for its preparation which is based on a spiropyran powder obtainable by melting, cooling and crushing, and to a new form of a spiropyran obtainable thereby. | 01-31-2013 |
20130096241 | FUNCTIONALIZED NANOPARTICLES - Functionalized nanoparticles, which are obtainable by combining in a first step a functionalized dyestuff, a silicon-based spacer and a catalyst, and in a second step reacting the product obtained in the first step with a co-reactive organic silicon, aluminum, zirconium or titanium compound. Optionally, the thus obtained functionalized nanoparticles can be combined or encapsulated with a polymer. The functionalized nanoparticles are useful as colorants and fluorescents in plastics, paints, inks, electronic materials, cosmetic articles, and the like. | 04-18-2013 |