Inventor · disambiguated record
Kaspar Hallenberger
Also filed as: HALLENBERGER KASPAR
20 granted patents·6 pending applications·150 citations·filing 1991–2015
93Inventor score
Top patents by PatentIndex Score
26 records- 0184US5734004AProcess for the purification of carbonic acid diaryl esterBAYER AG·Filed 1997·Granted Mar 31, 1998·28 cites·8 claims
- 0282US5785823AProcess for the purification of bisphenolBAYER AG·Filed 1996·Granted Jul 28, 1998·32 cites·2 claims
- 0381US5696295AMethod for the preparation of ultra-pure bisphenol A and the use thereofBAYER AG·Filed 1995·Granted Dec 9, 1997·29 cites·2 claims
- 0479US8022240B2Processes for purifying diaryl carbonatesBAYER MATERIALSCIENCE AG·Filed 2008·Granted Sep 20, 2011·5 cites·18 claims
- 0576US6288284B1Method for producing bis(4-hydroxyaryl)alkanesBAYER AG·Filed 1998·Granted Sep 11, 2001·17 cites·13 claims
- 0674US8952189B2Process for preparing diaryl carbonates or alkyl aryl carbonates from dialkyl carbonatesDÜX ANDRE·Filed 2010·Granted Feb 10, 2015·2 cites·16 claims
- 0773US8039659B2Processes for preparing diaryl and/or alkylaryl carbonates from dialkyl carbonatesBAYER MATERIALSCIENCE AG·Filed 2008·Granted Oct 18, 2011·2 cites·18 claims
- 0871US6703473B2Process for producing polycarbonateBAYER AG·Filed 2002·Granted Mar 9, 2004·9 cites·4 claims
- 0970US6673955B2Preparation of triethyl phosphateBAYER AG·Filed 2002·Granted Jan 6, 2004·6 cites·15 claims
- 1064US5523452AProcess for preparing dimethyl carbonateBAYER AG·Filed 1994·Granted Jun 4, 1996·8 cites·9 claims
- 1158US2010010256A1Processes for hydrogen chloride oxidation using oxygenBAYER MATERIALSCIENCE AG·Filed 2009·Application pending·0 cites
- 1256US6420465B1Process for preparing phosphoric acid estersBAYER AG·Filed 2000·Granted Jul 16, 2002·3 cites·14 claims
- 1354US2007274896A1Processes for hydrogen chloride oxidation using oxygenBAYER MATERIALSCIENCE AG·Filed 2007·Application pending·0 cites
- 1452US9765012B2Method for producing diaryl carbonateBAYER MATERIALSCIENCE AG·Filed 2013·Granted Sep 19, 2017·0 cites·10 claims
- 1544US9040732B2Process for preparing diaryl carbonates from dialkyl carbonatesDÜX ANDRE·Filed 2009·Granted May 26, 2015·0 cites·27 claims
- 1643US8003817B2Process for the preparation of diaryl carbonates or arylalkyl carbonates from dialkyl carbonatesBAYER MATERIALSCIENCE AG·Filed 2008·Granted Aug 23, 2011·1 cites·14 claims
- 1743US2007261437A1Enhanced process for the purification of anhydrous hydrogen chloride gasBOONSTRA ERIC F·Filed 2006·Application pending·0 cites
- 1843US2007289722A1Devices for cooling gases which form a corrosive condensation product upon coolingBAYER MATERIALSCIENCE AG·Filed 2007·Application pending·0 cites
- 1941US6437166B1Method for reprocessing reaction mixtures containing diaryl carbonateBAYER AG·Filed 1999·Granted Aug 20, 2002·2 cites·7 claims
- 2040US10131617B2Method for producing diaryl carbonatesCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted Nov 20, 2018·0 cites·11 claims
- 2140US10125083B2Method for producing diaryl carbonatesCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted Nov 13, 2018·0 cites·20 claims
- 2239US2003031624A1Process for the preparation and isolation of alkene oxides from alkenesFiled 2002·Application pending·0 cites
- 2337US6605191B1Method for reprocessing reaction mixtures containing diaryl carbonateBAYER AG·Filed 1999·Granted Aug 12, 2003·1 cites·7 claims
- 2436US2011206568A1Process for the preparation of diaryl carbonates or arylalkyl carbonates from dialkyl carbonatesBAYER MATERIALSCIENCE AG·Filed 2011·Application pending·0 cites
- 2533US5562887APurification of alkyl nitrite-containing exhaust gasesBAYER AG·Filed 1994·Granted Oct 8, 1996·4 cites·11 claims
- 2632US5149890AProcess for the isolation of pure dinitrotoluenesBAYER AG·Filed 1991·Granted Sep 22, 1992·1 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →