Inventor · disambiguated record
Leonhard Feiler
Also filed as: FEILER LEONHARD
13 granted patents·15 pending applications·119 citations·filing 1994–2020
90Inventor score
Top patents by PatentIndex Score
28 records- 0194US5650513AProcess for preparing perylene-3,4-dicarboxylic acid derivatives, the derivatives thus prepared and their useCIBA GEIGY CORP·Filed 1994·Granted Jul 22, 1997·62 cites·6 claims
- 0287US8962140B2Functionalized core-shell nanoparticlesBASF SE·Filed 2012·Granted Feb 24, 2015·5 cites·9 claims
- 0381US11512048B2Heat sensitive recording material, and color developerSOLENIS TECH LP·Filed 2019·Granted Nov 29, 2022·2 cites·19 claims
- 0479US7217803B2Benzimidazole-pyridone-based azo dyesCIBA SC HOLDING AG·Filed 2003·Granted May 15, 2007·16 cites·20 claims
- 0577US5900490APreparation of perylene-3, 4-Dicarboxylic acid anhydridesCIBA SC HOLDING AG·Filed 1998·Granted May 4, 1999·16 cites·4 claims
- 0667US7786313B2Heat-stable diketopyrrolopyrrole pigment mixturesCIBA SC HOLDING AG·Filed 2008·Granted Aug 31, 2010·1 cites·9 claims
- 0764US6762224B2Compounds for mass colouration of high temperature polymersCIBA SC HOLDING AG·Filed 2001·Granted Jul 13, 2004·6 cites·12 claims
- 0862US2010162494A1Functionalized nanoparticlesCIBA GEIGY CORP·Filed 2008·Application pending·0 cites
- 0959US7417154B2Heat-stable diketopyrrolopyrrole pigment mixturesCIBA SC HOLDING AG·Filed 2004·Granted Aug 26, 2008·2 cites·9 claims
- 1055US8287776B2Preparation of a photochromic inkMAURER MARC·Filed 2009·Granted Oct 16, 2012·1 cites·6 claims
- 1155US6872839B1Benzofuran-2-oneCIBASPECIALTY CHEMICALS CORP·Filed 2000·Granted Mar 29, 2005·5 cites·2 claims
- 1250US2013026428A1Preparation of a photochromic inkBASF SE·Filed 2012·Application pending·0 cites
- 1349US2011139059A1Time temperature indicator comprising indolenin based spiropyrans containing a n-acetylamido or n-acetylester side chainBASF SE·Filed 2009·Application pending·0 cites
- 1448US6093834APreparation of perylene-3,4-dicarboxylic acid anhydridesCIBA SC HOLDING AG·Filed 1999·Granted Jul 25, 2000·3 cites·1 claims
- 1548US2009130400A1Colorant compositions containing an oxonol dyeFEILER LEONHARD·Filed 2006·Application pending·0 cites
- 1646US12122919B2Dichroic azo-azomethine dyes for liquid crystal compositionsBASF SE·Filed 2020·Granted Oct 22, 2024·0 cites·14 claims
- 1743US2011269242A1Time temperature indicator comprising indolenin based spiropyransBASF SE·Filed 2009·Application pending·0 cites
- 1842US6355783B1Compounds for mass coloration of high temperature polymersCIBA SC HOLDING AG·Filed 2000·Granted Mar 12, 2002·0 cites·21 claims
- 1942US2004231073A1Method of mass-colouring synthetic materialsFiled 2002·Application pending·0 cites
- 2041US2010034961A1Photostabilized time temperature indicatorFRESHPOINT HOLDINGS SA·Filed 2007·Application pending·0 cites
- 2141US2005003135A1Compositions comprising at least one oxonol dye and at least one metal complexFiled 2002·Application pending·0 cites
- 2241US2009099282A1Functionalized nanoparticlesMULLER MARTIN·Filed 2006·Application pending·0 cites
- 2340US2012022261A1Colorant Compositions Containing an Oxonol DyeFEILER LEONHARD·Filed 2011·Application pending·0 cites
- 2439US2012100395A1Indicator system for monitoring a sterilization processFEILER LEONHARD·Filed 2010·Application pending·0 cites
- 2539US2011217786A1Optimized time temperature indicatorMUDALIAR CHANDRASEKHAR DAYAL·Filed 2011·Application pending·0 cites
- 2638US2005155162A1Process for the coloration of aluminiumFiled 2003·Application pending·0 cites
- 2738US2011059545A1Time-temperature indicator based on oligomeric spiroaromaticsFRESHPOINT HOLDINGS SA·Filed 2008·Application pending·0 cites
- 2837US2005123804A1Optical recording materials having high storage densityFiled 2002·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Leonhard Feiler files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →