Inventor · disambiguated record
Bernd Pennemann
Also filed as: PENNEMANN BERND
25 granted patents·4 pending applications·141 citations·filing 1994–2022
94Inventor score
Files withCOVESTRO DEUTSCHLAND AG10BAYER MATERIALSCIENCE AG7BAYER AG4BAYER MATERIALSCIENCE LLC2LORENZ WOLFGANG2
Top patents by PatentIndex Score
29 records- 0192US8357827B2Process for the continuous preparation of nitrobenzeneBAYER MATERIALSCIENCE AG·Filed 2011·Granted Jan 22, 2013·8 cites·5 claims
- 0291US11702381B1Method for operating a rectification columnCOVESTRO DEUTSCHLAND AG·Filed 2022·Granted Jul 18, 2023·5 cites·15 claims
- 0386US8063241B2Process for the preparation of toluene-diisocyanateLORENZ WOLFGANG·Filed 2010·Granted Nov 22, 2011·5 cites·10 claims
- 0485US9150493B2Method for producing aromatic amines in the liquid phaseLORENZ WOLFGANG·Filed 2011·Granted Oct 6, 2015·4 cites·16 claims
- 0585US7307190B2Process for the preparation of toluenediamineBAYER MATERIALSCIENCE AG·Filed 2006·Granted Dec 11, 2007·10 cites·14 claims
- 0684US5498744AProcess for the preparation of dimethyl carbonateBAYER AG·Filed 1994·Granted Mar 12, 1996·31 cites·21 claims
- 0782US7041858B1Process for the production of dinitrotolueneBAYER MATERIALSCIENCE AG·Filed 2005·Granted May 9, 2006·8 cites·5 claims
- 0881US7495136B2Process for the production of dinitrotolueneBAYER MATERIALSCIENCE AG·Filed 2007·Granted Feb 24, 2009·4 cites·12 claims
- 0979US9346012B2Method and apparatus for denenoxing waste gases from nitrationBAYER MATERIALSCIENCE LLC·Filed 2014·Granted May 24, 2016·8 cites·14 claims
- 1079US7511176B2Process for the preparation of toluenediamines by catalytic hydrogenation of dinitrotoluenesBAYER MATERIALSCIENCE AG·Filed 2007·Granted Mar 31, 2009·3 cites·5 claims
- 1173US6395934B1Raney nickel catalysts, a method for producing said raney nickel catalysts and the use of the same for hydrogenating organic compoundsBAYER AG·Filed 1998·Granted May 28, 2002·44 cites·13 claims
- 1271US9365503B2Process for the preparation of isocyanates in the gas phaseBISKUP KLAUS·Filed 2009·Granted Jun 14, 2016·2 cites·9 claims
- 1370US9139508B2Method and system for producing nitrobenzeneBAYER IP GMBH·Filed 2013·Granted Sep 22, 2015·2 cites·7 claims
- 1470US8110073B2Process for the preparation of aromatic aminesPENNEMANN BERND·Filed 2007·Granted Feb 7, 2012·3 cites·7 claims
- 1569US8030522B2Process for the production of toluene diisocyanateBAYER MATERIALSCIENCE LLC·Filed 2006·Granted Oct 4, 2011·2 cites·6 claims
- 1662US11231727B2Method for continuously producing a product by way of at least two coupled-together chemical reactionsCOVESTRO DEUTSCHLAND AG·Filed 2020·Granted Jan 25, 2022·0 cites·11 claims
- 1754US2008146835A1Process for the preparation of toluene-diisocyanateBAYER MATERIALSCIENCE AG·Filed 2007·Application pending·0 cites
- 1852US10698424B2Method for continuously producing a product by way of at least two coupled-together chemical reactionsCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted Jun 30, 2020·0 cites·1 claims
- 1950US2024157343A1Method for the hydrogenation of aromatic nitro compoundsCOVESTRO DEUTSCHLAND AG·Filed 2022·Application pending·0 cites
- 2048US10799810B2Cascade tray, rectifying column containing said cascade tray, method for operating such a rectifying column, and use of sameCOVESTRO DEUTSCHLAND AG·Filed 2017·Granted Oct 13, 2020·0 cites·15 claims
- 2147US2023159433A1Method for preparing toluylene diamine mixturesCOVESTRO DEUTSCHLAND AG·Filed 2021·Application pending·0 cites
- 2246US10155720B2Method for producing toluenediamineCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted Dec 18, 2018·0 cites·15 claims
- 2346US10041921B2Device and method for producing aromatic aminesCOVESTRO DEUTSCHLAND AG·Filed 2014·Granted Aug 7, 2018·0 cites·15 claims
- 2446US9518006B2Method for producing diaminotolueneCOVESTRO DEUTSCHLAND AG·Filed 2014·Granted Dec 13, 2016·0 cites·7 claims
- 2546US2007265466A1Process for the coupled production of chlorline and isocyanatesBAYER MATERIALSCIENCE AG·Filed 2007·Application pending·0 cites
- 2643US12441614B2Method of cleaning an apparatus used in the concentration of a mineral acidCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2020·Granted Oct 14, 2025·0 cites·15 claims
- 2741US9896407B2Exhaust gas cleaning in a method for continuously producing dinitrotolueneCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted Feb 20, 2018·0 cites·15 claims
- 2841US5593936AHydrated niobium oxide and hydrated tantalum oxide catalysts, their preparation and a process for preparing N-alkylated anilines using these catalystsBAYER AG·Filed 1995·Granted Jan 14, 1997·2 cites·4 claims
- 2931US5728896AProcess for the preparation of hydroxymethyl-cyclopropaneBAYER AG·Filed 1996·Granted Mar 17, 1998·0 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Bernd Pennemann 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 →