| 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 |