Inventor · disambiguated record
Helmut Reichelt
Also filed as: REICHELT HELMUT
121 granted patents·16 pending applications·722 citations·filing 1986–2021
99Inventor score
Top patents by PatentIndex Score
137 records- 0196US4843153AAzo dyes containing thienothiophene radicals as radicals of the diazo componentBASF AG·Filed 1987·Granted Jun 27, 1989·58 cites·6 claims
- 0289US5306815AAzo dyes with a coupling component of the quinoline seriesBASF AG·Filed 1992·Granted Apr 26, 1994·36 cites·4 claims
- 0388US9260614B2Use of aryl or heteroaryl substituted dithiolene metal complexes as IR absorbersREICHELT HELMUT·Filed 2011·Granted Feb 16, 2016·9 cites·14 claims
- 0488US8119802B2Fluorinated dyes and their use in electrophoretic display devicesMOONEN NICOLLE·Filed 2007·Granted Feb 21, 2012·23 cites·9 claims
- 0586US4939118ATransfer of azo dyes having a pyridine coupling componentBASF AG·Filed 1989·Granted Jul 3, 1990·24 cites·2 claims
- 0685US8471020B2Perylene-based semiconducting materialsREICHELT HELMUT·Filed 2012·Granted Jun 25, 2013·6 cites·8 claims
- 0781US4994564AAzo dyes with a diazo component of the 3-amino thiophene series and a coupling component of the pyridine, pyridone or pyrazole seriesBASF AG·Filed 1988·Granted Feb 19, 1991·16 cites·4 claims
- 0879US5079365ATriazolopyridine dyes and thermal transfer of methine dyesBASF AG·Filed 1990·Granted Jan 7, 1992·39 cites·4 claims
- 0978US5266227AOil-soluble phenylazoaniline dyesBASF AG·Filed 1992·Granted Nov 30, 1993·27 cites·2 claims
- 1076US7799920B2Method for producing perylene-3,4-dicarboxylic acid imidesBASF AG·Filed 2005·Granted Sep 21, 2010·4 cites·8 claims
- 1176US5182372AAniline-based oil-soluble azo dyesBASF AG·Filed 1990·Granted Jan 26, 1993·27 cites·3 claims
- 1276US5101028A(1,2,4)triazolo[2,3-a]pyridinesBASF AG·Filed 1990·Granted Mar 31, 1992·17 cites·2 claims
- 1375US5283326ADyes containing thiophene radicalsSANDOZ AG·Filed 1992·Granted Feb 1, 1994·14 cites·14 claims
- 1475US2022049096A1Polyarylene ether sulfone comprising naphthalic acid anhydride endgroupsBASF SE·Filed 2021·Application pending·0 cites
- 1573US11193020B2Polyarylene ether sulfone comprising naphthalic acid anhydride endgroupsBASF SE·Filed 2018·Granted Dec 7, 2021·0 cites·9 claims
- 1672US7741487B2Method for producing quaterrylene-3,4:13, 14-tetracarboxy diimides by direct synthesisBASF AG·Filed 2005·Granted Jun 22, 2010·1 cites·7 claims
- 1772US5466790AAzo dyes with an acetalized diazo component of the thiophene or thiazole seriesBASF AG·Filed 1993·Granted Nov 14, 1995·10 cites·6 claims
- 1872US5403363ADye mixtures containing azo dyes having a coupling component from the diaminopyridine seriesBASF AG·Filed 1993·Granted Apr 4, 1995·30 cites·4 claims
- 1970US7160336B2Liquid formulations of direct dyesBASF AG·Filed 2005·Granted Jan 9, 2007·2 cites·10 claims
- 2070US6989036B2Reactive dyes and use thereof for dyeing substrates containing nucleophilic groupsBASF AG·Filed 2002·Granted Jan 24, 2006·3 cites·8 claims
- 2170US5608041AAzo dyestuffs containing a diazo component from the aniline series and coupling component from the triazolopyridine seriesBASF AG·Filed 1994·Granted Mar 4, 1997·10 cites·7 claims
- 2270US5147845ATriazolopyridine dyes and thermal transfer of methine dyesBASF AG·Filed 1991·Granted Sep 15, 1992·13 cites·2 claims
- 2367US7901494B2Printing inks for offset and/or high printing containing NIR absorbers and NIR absorbers soluble in offset and/or high printing inksBASF SE·Filed 2005·Granted Mar 8, 2011·1 cites·6 claims
- 2467US4837269A2-aminothiophene radical substituted by an electron withdrawing groupBASF AG·Filed 1987·Granted Jun 6, 1989·8 cites·24 claims
- 2566US12404273B2Crystal form of an organic fluorescent compoundBASF SE·Filed 2020·Granted Sep 2, 2025·0 cites·12 claims
- 2666US9917260B2Compounds with terminal heteroarylcyanovinylene groups and their use in organic solar cellsBASF SE·Filed 2014·Granted Mar 13, 2018·1 cites·10 claims
- 2765US7847073B2Method for producing a liquid formulation of salts of sulphonic-acid azo dyesBASF AG·Filed 2005·Granted Dec 7, 2010·1 cites·18 claims
- 2865US5132412AThiazoleazo dyes having a diazo component from the isothiazole or thiadiazole seriesBASF AG·Filed 1989·Granted Jul 21, 1992·7 cites·4 claims
- 2964US8710225B2Thiocyanato or isothiocyanato substituted naphthalene diimide and rylene diimide compounds and their use as n-type semiconductorsGESSNER THOMAS·Filed 2012·Granted Apr 29, 2014·1 cites·15 claims
- 3064US5573585AMolecular sieves containing azo dyesHOELDERICH WOLFGANG·Filed 1993·Granted Nov 12, 1996·18 cites·10 claims
- 3163US4751288AAzo dyes containing 2-amino-3-cyano-5-formylthiophene derivatives as diazo components and substituted aniline compounds as coupling componentsBASF AG·Filed 1986·Granted Jun 14, 1988·7 cites·2 claims
- 3262US7108727B2Reactive dyes and the use thereof for dyeing substrates containing nucleophilic groupsBASF AG·Filed 2002·Granted Sep 19, 2006·4 cites·8 claims
- 3362US5376150AUse of pyridine dyes in the textile sector, dye mixtures with pyridine dyes, and triazolopyridine dyes having a thienyl radicalBASF AG·Filed 1993·Granted Dec 27, 1994·11 cites·9 claims
- 3461US8921558B2Azide substituted naphthylene or rylene imide derivatives and their use as reagents in click-reactionsGESSNER THOMAS·Filed 2013·Granted Dec 30, 2014·0 cites·7 claims
- 3561US5072049AProcess for the preparation of bis(4-hydroxyphenyl) sulfoneBASF AG·Filed 1990·Granted Dec 10, 1991·7 cites·8 claims
- 3660US7714044B2Use of 4-cyano-naphthalene-1, 8-dicarboximide derivatives and related compounds to protect organic material from the damaging effects of lightBASF AKITENGESELLSCHAFT·Filed 2004·Granted May 11, 2010·3 cites·28 claims
- 3760US6689994B2Antenna radiation heater for heating a material by using resonanceMOLETHERM HOLDING AG·Filed 2001·Granted Feb 10, 2004·9 cites·10 claims
- 3860US5612465APhenylazotriazolopyridine dyestuffsBASF AG·Filed 1994·Granted Mar 18, 1997·6 cites·5 claims
- 3959US5510468AAmino benzophenone dyeBASF AG·Filed 1994·Granted Apr 23, 1996·5 cites·24 claims
- 4059US5486609APreparation of carbocylic M-aminohydroxyaromaticsBASF AG·Filed 1995·Granted Jan 23, 1996·7 cites·6 claims
- 4159US5347032APreparation of alkyl cyanoacetatesBASF AG·Filed 1993·Granted Sep 13, 1994·6 cites·5 claims
- 4258US5484460ADye mixtures containing azo dyes having a coupling component from the diaminopyridine seriesBASF AG·Filed 1994·Granted Jan 16, 1996·5 cites·11 claims
- 4358US5393308AMixtures of azo dyes for navy to black shadesBASF AG·Filed 1993·Granted Feb 28, 1995·6 cites·7 claims
- 4457US7488810B2Method for producing a liquid formulation of salts of sulfoacidic azo dyesBASF AG·Filed 2003·Granted Feb 10, 2009·2 cites·12 claims
- 4557US6788884B2Space heating systemMOLETHERM HOLDING AG·Filed 2002·Granted Sep 7, 2004·8 cites·23 claims
- 4657US2023303608A1Dithiolene metal complexesBASF SE·Filed 2021·Application pending·0 cites
- 4756US11161866B2Crystal form of a dithiolene metal complexBASF SE·Filed 2018·Granted Nov 2, 2021·0 cites·12 claims
- 4856US9493422B2Quinoid rylenedicarboximides as IR absorbersGESSNER THOMAS·Filed 2009·Granted Nov 15, 2016·0 cites·16 claims
- 4956US5892046AMethine and azamethine dyes based on trifluoromethylpyridonesBASF AG·Filed 1997·Granted Apr 6, 1999·6 cites·11 claims
- 5056US5352774ADyes containing thiophene radicalsSANDOZ AG·Filed 1993·Granted Oct 4, 1994·5 cites·17 claims
Showing the top 50 of 137 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Helmut Reichelt 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 →