Inventor · disambiguated record
Heinz Langhals
Also filed as: LANGHALS HEINZ
21 granted patents·3 pending applications·295 citations·filing 1983–2016
95Inventor score
Top patents by PatentIndex Score
24 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
- 0289US5354869A3,6-bis-(2'-methoxyphenyl)-2,5-dihydro-2,5-dimethyl-pyrrolo-(3,4-c)-pyrrole-1,4-dione compoundRIEDEL DE HAEN AG·Filed 1991·Granted Oct 11, 1994·37 cites·1 claims
- 0380US5886183ANaphthalenelactamimide fluorescence dyesCIBA SPECIALTY CHEMICALS CORPO·Filed 1996·Granted Mar 23, 1999·25 cites·6 claims
- 0479US5508137APerylene amidine imide dyes, a process for preparing them, and their useCIBA GEIGY CORP·Filed 1994·Granted Apr 16, 1996·19 cites·13 claims
- 0578US10533943B2Method and apparatus for identifying plastics and/or the additives thereinUNISENSOR SENSORSYSTEME GMBH·Filed 2016·Granted Jan 14, 2020·3 cites·26 claims
- 0675US5981773APreparation of perylene-3,4-dicarboxylic anhydridesCIBA SC HOLDING AG·Filed 1998·Granted Nov 9, 1999·18 cites·11 claims
- 0773US11326057B2Automatic sorting of polymer materials on the basis of the fluorescence decay time of the intrinsic fluorescence of the polymerUNISENSOR SENSORSYSTEME GMBH·Filed 2015·Granted May 10, 2022·2 cites·7 claims
- 0873US6491749B1Core-extended perylene bisimidesCIBA SC HOLDING AG·Filed 1999·Granted Dec 10, 2002·23 cites·7 claims
- 0973US6060601AFluorescence-derivatisation of carbonyl compounds-novel carbonyl reagentsCIBA SC HOLDING AG·Filed 1998·Granted May 9, 2000·16 cites·11 claims
- 1072US6166210APerylene imide monocarboxylic acidsCIBA SC HOLDING AG·Filed 1998·Granted Dec 26, 2000·18 cites·3 claims
- 1165US5929239ABifluorophoric perylene colourantsCIBA SC HOLDING AG·Filed 1998·Granted Jul 27, 1999·13 cites·10 claims
- 1265US4677076AProcess for determining water in samples containing waterLANGHALS HEINZ·Filed 1983·Granted Jun 30, 1987·22 cites·14 claims
- 1362US5693808AProcess for the preparation of peryleneimides, novel di-, tri- and tetrachromophoric perylene dyes and their useCIBA SC HOLDING AG·Filed 1995·Granted Dec 2, 1997·16 cites·8 claims
- 1452US2015232398A1Azulene and derivatives thereof as colorantsUNIV MUENCHEN LUDWIG MAXIMILIANS·Filed 2013·Application pending·0 cites
- 1551US2011079733A1Fluorescent, heterocyclically fused perylenesBASF SE·Filed 2008·Application pending·0 cites
- 1651US2009056793A1Benzoterrylene derivativesSABIC INNOVATIVE PLASTICS IP·Filed 2007·Application pending·0 cites
- 1747US8404705B2Naphthalene amidine imidesLANGHALS HEINZ·Filed 2006·Granted Mar 26, 2013·0 cites·4 claims
- 1847US4677079AProcess for determining the composition of binary liquid mixtureLANGHALS HEINZ·Filed 1983·Granted Jun 30, 1987·11 cites·10 claims
- 1945US9290494B2Systems for the light-induced separation of chargesLANGHALS HEINZ·Filed 2009·Granted Mar 22, 2016·0 cites·10 claims
- 2041US5266700ABipyridyls and their use as inksRIEDEL DE HAEN·Filed 1990·Granted Nov 30, 1993·3 cites·8 claims
- 2140US6143890ANaphthalenehydrazamimides and perylenehydrazamimidesCIBA SC HOLDING AG·Filed 1999·Granted Nov 7, 2000·3 cites·3 claims
- 2230US8835484B2Naphthocyanines for use as contrast agentsLANGHALS HEINZ·Filed 2011·Granted Sep 16, 2014·0 cites·9 claims
- 2330US6156914ADonor-substituted oxindigo derivatives and their use as colorantsCIBA SC HOLDING AG·Filed 1996·Granted Dec 5, 2000·0 cites·6 claims
- 2420US6335171B1Immunochemical determination of substances contained on textile fibers or polymersDIAGNOSTIC SYSTEMS BIOTECHNOLO·Filed 1999·Granted Jan 1, 2002·4 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →