Inventor · disambiguated record
Walter Leitner
Also filed as: LEITNER WALTER
51 granted patents·26 pending applications·127 citations·filing 1998–2022
97Inventor score
Files withCOVESTRO DEUTSCHLAND AG31COVESTRO INTELLECTUAL PROPERTY GMBH & CO KG8STUDIENGESELLSCHAFT KOHLE MBH5BAYER MATERIALSCIENCE AG4MÜLLER THOMAS ERNST4
Top patents by PatentIndex Score
77 records- 0194US9249259B2Method for activating double metal cyanide catalysts for producing polyether polyolsMÜLLER THOMAS ERNST·Filed 2012·Granted Feb 2, 2016·21 cites·15 claims
- 0292US9273183B2Polyether carbonate polyol production methodBAYER MATERIALSCIENCE AG·Filed 2013·Granted Mar 1, 2016·8 cites·15 claims
- 0391US9120894B2Method for producing polyether polyolsMÜLLER THOMAS ERNST·Filed 2012·Granted Sep 1, 2015·9 cites·15 claims
- 0486US9458281B2Method for the production of oxazolidinone compoundsBAYER MATERIALSCIENCE AG·Filed 2013·Granted Oct 4, 2016·5 cites·19 claims
- 0585US9260562B2Method for producing polycarbonate polyols by the immortal polymerization of cyclic carbonatesMÜLLER THOMAS ERNST·Filed 2011·Granted Feb 16, 2016·5 cites·14 claims
- 0684US11427671B2Method for the production of thermoplastic polyoxazolidinone polymersCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2019·Granted Aug 30, 2022·1 cites·14 claims
- 0784US10526484B2Dithiocarbonate containing polyols as polymer polyol stabilizersCOVESTRO LLC·Filed 2017·Granted Jan 7, 2020·1 cites·8 claims
- 0884US7482501B2Process for continuous ringclosing metathesis in compressed carbondioxideBOEHRINGER INGELHEIM INT·Filed 2006·Granted Jan 27, 2009·21 cites·20 claims
- 0983US10166534B2Method for reduction of organic moleculesRWTH AACHEN·Filed 2015·Granted Jan 1, 2019·2 cites·10 claims
- 1082US10385167B2Process for the synthesis of polyoxazolidinone compounds with high stabilityCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Aug 20, 2019·2 cites·19 claims
- 1182US9534090B2NCO-modified polyoxymethylene block copolymersCOVESTRO DEUTSCHLAND AG·Filed 2013·Granted Jan 3, 2017·3 cites·6 claims
- 1281US9708446B2Cross-linking of polyether carbonate polyols containing double-bonds, by adding mercapto-compoundsCOVESTRO DEUTSCHLAND AG·Filed 2014·Granted Jul 18, 2017·2 cites·17 claims
- 1380US9309356B2Method for activating double metal cyanide catalysts for the production of polyether carbonate polyolsMÜLLER THOMAS ERNST·Filed 2012·Granted Apr 12, 2016·3 cites·15 claims
- 1480US9073842B2Method for producing formic acid by CO2 hydrogenationLEITNER WALTER·Filed 2012·Granted Jul 7, 2015·5 cites·7 claims
- 1579US10239995B2Process for preparing polyether carbonate polyolsCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Mar 26, 2019·1 cites·15 claims
- 1679US10179835B2Radical crosslinking of polyether carbonate polyols that have electron-poor and electron-rich double bondsCOVESTRO DEUTSCHLAND AG·Filed 2014·Granted Jan 15, 2019·2 cites·9 claims
- 1779US9957353B2Low viscosity polyether carbonate polyols having side chainsCOVESTRO DEUTSCHLAND AG·Filed 2014·Granted May 1, 2018·2 cites·12 claims
- 1878US6720281B2Chiral phosphorus ligands and the use thereof in the production of optically active productsSTUDIENGESELLSCHAFT KOHLE MBH·Filed 2002·Granted Apr 13, 2004·12 cites·10 claims
- 1976US9790328B2Polyethercarbonate-polyoxymethylene block copolymersCOVESTRO DEUTSCHLAND AG·Filed 2014·Granted Oct 17, 2017·2 cites·8 claims
- 2073US11149145B2Dithiocarbonate containing polyols as polymer polyol stabilizersCOVESTRO LLC·Filed 2019·Granted Oct 19, 2021·0 cites·10 claims
- 2173US9278906B2Process for hydrogenating aromatic di- and polyamines to cycloaliphatic di- and polyaminesBAYER MATERIALSCIENCE AG·Filed 2015·Granted Mar 8, 2016·1 cites·14 claims
- 2267US11091589B1Method for producing a polymer which contains double bonds as an elastomer precursorCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2019·Granted Aug 17, 2021·0 cites·13 claims
- 2367US9279029B2Method for producing light-coloured polyisocyanatesBAYER IP GMBH·Filed 2012·Granted Mar 8, 2016·1 cites·10 claims
- 2466US9216933B2Reduction method for the reduction of carbon dioxide and carbon dioxide derivativesRHEINISCH WESTFÄLISCHE TECH HOCHSCHULE AACHEN·Filed 2013·Granted Dec 22, 2015·2 cites·8 claims
- 2566US6348551B1Selective olefin metathesis of bifunctional or polyfunctional substrates in compressed carbon dioxide as reaction mediumSTUDIENGESELLSCHAFT KOHLE MBH·Filed 1998·Granted Feb 19, 2002·12 cites·29 claims
- 2665US11111257B2Molecular catalysts for selective hydrogenolysis of amidesEASTMAN CHEM CO·Filed 2019·Granted Sep 7, 2021·0 cites·20 claims
- 2765US10434504B2Method for reduction of organic moleculesRWTH AACHEN·Filed 2018·Granted Oct 8, 2019·0 cites·18 claims
- 2863US2025019514A1Process for hydrolysis of (poly)carbonatesCOVESTRO DEUTSCHLAND AG·Filed 2022·Application pending·0 cites
- 2962US11319398B2Method for the production of polyoxazolidinone polymer compoundsCOVESTRO DEUTSCHLAND AG·Filed 2018·Granted May 3, 2022·0 cites·15 claims
- 3062US10682636B2Immobilized ruthenium-triphos catalysts for selective hydrogenolysis of amidesEASTMAN CHEM CO·Filed 2019·Granted Jun 16, 2020·0 cites·20 claims
- 3161US11098153B2Method for producing a multiple bond-containing prepolymer as elastomer precursorCOVESTRO DEUTSCHLAND AG·Filed 2017·Granted Aug 24, 2021·0 cites·20 claims
- 3260US2024409492A1Method for cleaving (poly)urethanesCOVESTRO DEUTSCHLAND AG·Filed 2022·Application pending·0 cites
- 3358US10167364B2Process for preparing polycarbonates by transesterifying dithiocarbonates or selenium analogues thereof with bisphenolsCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Jan 1, 2019·0 cites·15 claims
- 3458US8735583B2Chiral phosphorus compoundJOHNSON MATTHEY PLC·Filed 2013·Granted May 27, 2014·0 cites·24 claims
- 3558US2022235176A1Method for producing polyether ester carbonate polyolsCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2020·Application pending·0 cites
- 3657US2024336561A1Catalytic synthesis of free isocyanatesMAX PLANCK GESELLSCHAFT·Filed 2021·Application pending·0 cites
- 3756US9957354B2Higher functional polyether carbonate polyols obtained using branching moleculesCOVESTRO DEUTSCHLAND AG·Filed 2014·Granted May 1, 2018·0 cites·16 claims
- 3856US9688814B2Functionalized polyoxymethylene block copolymersCOVESTRO DEUTSCHLAND AG·Filed 2013·Granted Jun 27, 2017·0 cites·13 claims
- 3954US9469715B2Method for producing formaldehyde/CO2 copolymersCOVESTRO DEUTSCHLAND AG·Filed 2013·Granted Oct 18, 2016·0 cites·18 claims
- 4054US2024383828A1Process for converting synthesis gas to higher alcoholsSTUDIENGESELLSCHAFT KOHLE GGMBH·Filed 2022·Application pending·0 cites
- 4154US2022348708A1Method for producing isocyanurates from uretdionesCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2020·Application pending·0 cites
- 4254US2022251280A1Process of preparing allophanate- and/or thioallophanate group-containing compoundsCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2020·Application pending·0 cites
- 4353US10364323B2Method for producing polyether carbonate polyolsCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Jul 30, 2019·0 cites·14 claims
- 4453US9657135B2Method for producing polyether ester carbonate polyolsCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted May 23, 2017·0 cites·16 claims
- 4553US8404843B2Chiral phosphorus compoundADGER BRIAN·Filed 2012·Granted Mar 26, 2013·0 cites·8 claims
- 4653US2022185833A1Process for the carbonylation of epoxidesCOVESTRO DEUTSCHLAND AG·Filed 2021·Application pending·0 cites
- 4752US2021380748A1Method for the production of thermoplastic polyoxazolidinone polymersCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2019·Application pending·0 cites
- 4851US8222415B2Chiral phosphorus compoundADGER BRIAN·Filed 2007·Granted Jul 17, 2012·0 cites·40 claims
- 4950US11098154B2Flame-retardant phosphorus-functional polyether carbonate polyol and method for production thereofCOVESTRO AG·Filed 2018·Granted Aug 24, 2021·0 cites·16 claims
- 5050US2014275475A1Semibatchwise process for preparing olefin-co copolymersBAYER IP GMBH·Filed 2014·Application pending·0 cites
Showing the top 50 of 77 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →