Inventor
LEITNER WALTER
DE52 patents
⚠️ This page may combine multiple inventors who share the name “LEITNER WALTER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
COVESTRO DEUTSCHLAND AG
16 patentsUS9534090B2Jan 3, 2017
NCO-modified polyoxymethylene block copolymers
COVESTRO DEUTSCHLAND AG3 citations71
US10179835B2Jan 15, 2019
Radical crosslinking of polyether carbonate polyols that have electron-poor and electron-rich double bonds
COVESTRO DEUTSCHLAND AG2 citations70
US9957353B2May 1, 2018
Low viscosity polyether carbonate polyols having side chains
COVESTRO DEUTSCHLAND AG2 citations70
US9708446B2Jul 18, 2017
Cross-linking of polyether carbonate polyols containing double-bonds, by adding mercapto-compounds
COVESTRO DEUTSCHLAND AG2 citations70
US9790328B2Oct 17, 2017
Polyethercarbonate-polyoxymethylene block copolymers
COVESTRO DEUTSCHLAND AG2 citations68
US11098153B2Aug 24, 2021
Method for producing a multiple bond-containing prepolymer as elastomer precursor
COVESTRO DEUTSCHLAND AG0 citations62
US10239995B2Mar 26, 2019
Process for preparing polyether carbonate polyols
COVESTRO DEUTSCHLAND AG1 citations62
US11319398B2May 3, 2022
Method for the production of polyoxazolidinone polymer compounds
COVESTRO DEUTSCHLAND AG0 citations58
US10385167B2Aug 20, 2019
Process for the synthesis of polyoxazolidinone compounds with high stability
COVESTRO DEUTSCHLAND AG2 citations58
US10364323B2Jul 30, 2019
Method for producing polyether carbonate polyols
COVESTRO DEUTSCHLAND AG0 citations51
US9688814B2Jun 27, 2017
Functionalized polyoxymethylene block copolymers
COVESTRO DEUTSCHLAND AG0 citations50
US9469715B2Oct 18, 2016
Method for producing formaldehyde/CO2 copolymers
COVESTRO DEUTSCHLAND AG0 citations49
US10167364B2Jan 1, 2019
Process for preparing polycarbonates by transesterifying dithiocarbonates or selenium analogues thereof with bisphenols
COVESTRO DEUTSCHLAND AG0 citations48
US11326018B2May 10, 2022
Process for the synthesis of polyoxazolidinone compounds
COVESTRO DEUTSCHLAND AG0 citations47
US9657135B2May 23, 2017
Method for producing polyether ester carbonate polyols
COVESTRO DEUTSCHLAND AG0 citations45
US9957354B2May 1, 2018
Higher functional polyether carbonate polyols obtained using branching molecules
COVESTRO DEUTSCHLAND AG0 citations39
STUDIENGESELLSCHAFT KOHLE MBH
5 patentsUS6348551B1Feb 19, 2002
Selective olefin metathesis of bifunctional or polyfunctional substrates in compressed carbon dioxide as reaction medium
STUDIENGESELLSCHAFT KOHLE MBH12 citations72
US6720281B2Apr 13, 2004
Chiral phosphorus ligands and the use thereof in the production of optically active products
STUDIENGESELLSCHAFT KOHLE MBH12 citations65
US6399834B1Jun 4, 2002
Methods for producing chiral aldehydes
STUDIENGESELLSCHAFT KOHLE MBH3 citations57
US6388141B1May 14, 2002
Hydroformylation with unmodified rhodium catalysts in supercritical carbon dioxide
STUDIENGESELLSCHAFT KOHLE MBH1 citations52
US6525209B1Feb 25, 2003
Method of producing epoxides
STUDIENGESELLSCHAFT KOHLE MBH0 citations51
MÜLLER THOMAS ERNST
4 patentsUS9249259B2Feb 2, 2016
Method for activating double metal cyanide catalysts for producing polyether polyols
MÜLLER THOMAS ERNST21 citations90
US9120894B2Sep 1, 2015
Method for producing polyether polyols
MÜLLER THOMAS ERNST9 citations81
US9309356B2Apr 12, 2016
Method for activating double metal cyanide catalysts for the production of polyether carbonate polyols
MÜLLER THOMAS ERNST3 citations69
US9260562B2Feb 16, 2016
Method for producing polycarbonate polyols by the immortal polymerization of cyclic carbonates
MÜLLER THOMAS ERNST5 citations68
BAYER MATERIALSCIENCE AG
4 patentsUS9273183B2Mar 1, 2016
Polyether carbonate polyol production method
BAYER MATERIALSCIENCE AG8 citations82
US9458281B2Oct 4, 2016
Method for the production of oxazolidinone compounds
BAYER MATERIALSCIENCE AG5 citations70
US9278906B2Mar 8, 2016
Process for hydrogenating aromatic di- and polyamines to cycloaliphatic di- and polyamines
BAYER MATERIALSCIENCE AG1 citations48
US9403754B2Aug 2, 2016
Process for hydrogenating aromatic di- and polyamines
BAYER MATERIALSCIENCE AG0 citations47
RWTH AACHEN
2 patentsCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG
2 patentsUS11427671B2Aug 30, 2022
Method for the production of thermoplastic polyoxazolidinone polymers
COVESTRO INTELLECTUAL PROPERTY GMBH & CO KG1 citations60
US11091589B1Aug 17, 2021
Method for producing a polymer which contains double bonds as an elastomer precursor
COVESTRO INTELLECTUAL PROPERTY GMBH & CO KG0 citations57
COVESTRO LLC
2 patentsEASTMAN CHEM CO
2 patentsGürtler Christoph
2 patentsADGER BRIAN
2 patentsBOEHRINGER INGELHEIM INT
1 patentLEITNER WALTER
1 patentTAMROCK VOEST ALPINE BERGTECH
1 patentCOVESTRO AG
1 patentRHEINISCH WESTFÄLISCHE TECH HOCHSCHULE AACHEN
1 patentBAYER IP GMBH
1 patentJOHNSON MATTHEY PLC
1 patentRHEINISCHE-WESTFÄLISCHE TECHNISCHE HOCHSCHULE AACHEN
1 patentRHEINISCHE WESTFÄLISCHE TECHNISCHE HOCHSCHULE (RWTH) AACHEN
1 patentShowing the top 50 of 52 patents by PatentIndex Score.