Inventor · disambiguated record
Helfried Neumann
Also filed as: NEUMANN HELFRIED
19 granted patents·4 pending applications·45 citations·filing 2000–2024
91Inventor score
Files withEVONIK DEGUSSA GMBH11LONZA AG3EVONIK INDUSTRIES AG2EVONIK OPERATIONS GMBH2LONZA SOLUTIONS AG2
Top patents by PatentIndex Score
23 records- 0198US9725398B2Benzene-based diphosphine ligands for alkoxycarbonylationEVONIK DEGUSSA GMBH·Filed 2016·Granted Aug 8, 2017·12 cites·14 claims
- 0296US10202329B2Ferrocene-based compounds and palladium catalysts based thereon for the alkoxycarbonylation of ethylenically unsaturated compoundsEVONIK DEGUSSA GMBH·Filed 2016·Granted Feb 12, 2019·6 cites·14 claims
- 0396US10077228B2Ferrocene-based compounds and palladium catalysts based thereon for the alkoxycarbonylation of ethylenically unsaturated compoundsEVONIK DEGUSSA GMBH·Filed 2016·Granted Sep 18, 2018·7 cites·16 claims
- 0493US9688604B2Phosphine ligand and palladium catalysts based thereon for the alkoxycarbonylation of ethylenically unsaturated compoundsEVONIK DEGUSSA GMBH·Filed 2016·Granted Jun 27, 2017·7 cites·7 claims
- 0589US10562838B2Process for the alkoxycarbonylation of olefins in a medium having a low Brønsted acid concentrationEVONIK DEGUSSA GMBH·Filed 2017·Granted Feb 18, 2020·3 cites·12 claims
- 0688US2023348356A1Butyl-bridged diphosphine ligands for alkoxycarbonylationEVONIK OPERATIONS GMBH·Filed 2023·Application pending·0 cites
- 0785US10696702B2Propyl-bridged diphosphine ligands for alkoxycarbonylationEVONIK DEGUSSA GMBH·Filed 2019·Granted Jun 30, 2020·2 cites·24 claims
- 0882US9809596B1Method for preparation of fluoro, chloro and fluorochloro alkylated compounds by homogeneous catalysisLONZA AG·Filed 2015·Granted Nov 7, 2017·2 cites·13 claims
- 0980US9938310B21, 1′-bis(phosphino)ferrocene ligands for alkoxycarbonylationEVONIK DEGUSSA GMBH·Filed 2017·Granted Apr 10, 2018·1 cites·20 claims
- 1076US2021276939A1Butyl-bridged diphosphine ligands for alkoxycarbonylationEVONIK OPERATIONS GMBH·Filed 2021·Application pending·0 cites
- 1173US10968187B2Method for preparation of alkylated or fluoro, chloro and fluorochloro alkylated compounds by heterogeneous cobalt catalysisLONZA AG·Filed 2018·Granted Apr 6, 2021·1 cites·11 claims
- 1273US9309344B2Process for preparing polymers by means of ring-opening polymerizationEVONIK INDUSTRIES AG·Filed 2015·Granted Apr 12, 2016·2 cites·28 claims
- 1369US2024360066A1Process for alkoxycarbonylation of olefins using synthesis gasEVONIK OXENO GMBH & CO KG·Filed 2024·Application pending·0 cites
- 1458US6294681B1Process for the production of N-acylamino acidsDEGUSSA·Filed 2000·Granted Sep 25, 2001·2 cites·22 claims
- 1551US11739066B2Method for fluoroalkylation of enaminesARXADA AG·Filed 2020·Granted Aug 29, 2023·0 cites·18 claims
- 1647US11332456B2Method for preparation of fluoro alkylated 1,4-dioxene by homogeneous Ni catalysisLONZA SOLUTIONS AG·Filed 2020·Granted May 17, 2022·0 cites·9 claims
- 1745US10202409B21, 1′ -bis(phosphino)ferrocene ligands for alkoxycarbonylationEVONIK DEGUSSA GMBH·Filed 2017·Granted Feb 12, 2019·0 cites·20 claims
- 1844US11028110B2Process for the alkoxycarbonylation of alcoholsEVONIK DEGUSSA GMBH·Filed 2017·Granted Jun 8, 2021·0 cites·15 claims
- 1944US10087134B2Process for the preparation of esters by means of carbonylation of ethersEVONIK DEGUSSA GMBH·Filed 2017·Granted Oct 2, 2018·0 cites·13 claims
- 2043US11530175B2Method for preparation of fluoro alkylated compounds by homogeneous Ni catalysisLONZA SOLUTIONS AG·Filed 2020·Granted Dec 20, 2022·0 cites·11 claims
- 2143US10494326B2Process for the alkoxycarbonylation of ethersEVONIK DEGUSSA GMBH·Filed 2017·Granted Dec 3, 2019·0 cites·14 claims
- 2240US2016031845A1In-situ generation of ruthenium catalysts for olefin metathesisEVONIK INDUSTRIES AG·Filed 2014·Application pending·0 cites
- 2334US9771367B2Method for preparation of alkylated or fluoro, chloro and fluorochloro alkylated compounds by heterogeneous catalysisLONZA AG·Filed 2015·Granted Sep 26, 2017·0 cites·16 claims
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