Inventor · disambiguated record
Joachim Pfeffinger
Also filed as: PFEFFINGER JOACHIM
18 granted patents·2 pending applications·243 citations·filing 1996–2019
93Inventor score
Top patents by PatentIndex Score
20 records- 0191US6592832B1Method for producing highly pure lithium saltsBASF AG·Filed 1999·Granted Jul 15, 2003·80 cites·4 claims
- 0290US6576788B1Method for producing mixtures consisting of diphenylmethane diisocyanates and polyphenylene-polymethylene-polyisocyanates containing a reduced amount of chlorinated secondary products and with a reduced iodine color indexBASF AG·Filed 1999·Granted Jun 10, 2003·66 cites·14 claims
- 0388US7084297B2Production of isocyanates in the gaseous phaseBASF AG·Filed 2002·Granted Aug 1, 2006·18 cites·22 claims
- 0483US6403845B1Preparation of pentanediols from alkoxydihydropyransFiled 2000·Granted Jun 11, 2002·16 cites·8 claims
- 0579US11518749B2Method for the continuous separation by distillation of mixtures that contain morpholine (MO), monoaminodiglycol (ADG), ammonia, water and methoxyethanol (MOE)BASF SE·Filed 2019·Granted Dec 6, 2022·1 cites·20 claims
- 0679US6790995B2Preparation of primary and secondary amines from nitrilesBASF AG·Filed 2002·Granted Sep 14, 2004·10 cites·8 claims
- 0773US11214555B2Method for depleting 2-methoxyethanol (MOE)BASF SE·Filed 2019·Granted Jan 4, 2022·1 cites·16 claims
- 0873US6723880B2Preparation of secondary amines from primary aminesBASF AG·Filed 2002·Granted Apr 20, 2004·6 cites·26 claims
- 0966US5785819ADistillation column for separating a liquid mixture into a plurality of pure fractionsBASF AG·Filed 1996·Granted Jul 28, 1998·31 cites·12 claims
- 1059US6750365B2Thermal dissociation of allophanatesBASF AG·Filed 2002·Granted Jun 15, 2004·2 cites·21 claims
- 1154US6525223B2Preparation of secondary amines from nitrilesBASF AG·Filed 2001·Granted Feb 25, 2003·1 cites·7 claims
- 1251US8822718B2Process for preparing isocyanates by thermally cleaving carbamatesBOCK MICHAEL·Filed 2010·Granted Sep 2, 2014·0 cites·18 claims
- 1349US2011137083A1Continuous method and reactor for hydrogenating organic compoundsBASF SE·Filed 2009·Application pending·0 cites
- 1448US5788743ASelective separation and recovery of chlorine from gas mixturesBASF AG·Filed 1996·Granted Aug 4, 1998·11 cites·13 claims
- 1547US7994361B2Moderate-pressure gas phase phosgenationBASF AG·Filed 2003·Granted Aug 9, 2011·0 cites·13 claims
- 1645US11591543B2Aroma chemical compositions containing 3,5-diethyl-2-propyl-tetrahydropyran and/or unsaturated derivatives thereofBASF SE·Filed 2018·Granted Feb 28, 2023·0 cites·18 claims
- 1739US8987517B2Process for preparing cycloaliphatic aminesPFEFFINGER JOACHIM·Filed 2009·Granted Mar 24, 2015·0 cites·21 claims
- 1838US2012289747A1Catalysts for the hydrogenation of aromatic aminesKOENIGSMANN LUCIA·Filed 2012·Application pending·0 cites
- 1934US8940250B2Method of conveying liquidsPFEFFINGER JOACHIM·Filed 2010·Granted Jan 27, 2015·0 cites·16 claims
- 2031US8828267B2Use of a stereoisomer mixture of diaminomethylcyclohexane as a hardener for epoxy resinsPFEFFINGER JOACHIM·Filed 2010·Granted Sep 9, 2014·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →