Inventor · disambiguated record
Ralf Meier
Also filed as: MEIER RALF
17 granted patents·6 pending applications·61 citations·filing 2006–2025
91Inventor score
Top patents by PatentIndex Score
23 records- 0189US8399658B2Method for isolation of laurolactam from a laurolactam synthesis process streamHENGSTERMANN AXEL·Filed 2010·Granted Mar 19, 2013·18 cites·15 claims
- 0288US9643153B2Membrane-supported catalyst removal in the epoxidation of cyclic unsaturated C12 compounds, for example cyclododecene (CDEN)MEIER RALF·Filed 2015·Granted May 9, 2017·5 cites·13 claims
- 0387US9533932B2Process for preparing cyclododecanoneMICOINE KEVIN·Filed 2015·Granted Jan 3, 2017·4 cites·16 claims
- 0487US9221007B2Method and device for separating acid gases from a gas mixtureEVONIK DEGUSSA GMBH·Filed 2012·Granted Dec 29, 2015·10 cites·14 claims
- 0584US9533933B2Process for preparing cyclododecanoneMICOINE KEVIN·Filed 2015·Granted Jan 3, 2017·4 cites·13 claims
- 0681US8426637B2Process for preparation of high purity methacrylic acidKOESTNER MARTIN·Filed 2008·Granted Apr 23, 2013·7 cites·30 claims
- 0779US9278898B2Workup of a cyclododecanone cyclododecanol mixture in a dividing wall columnCAMERETTI LUCA·Filed 2013·Granted Mar 8, 2016·4 cites·13 claims
- 0878US9637436B2Catalyst system for producing ketones from epoxidesMICOINE KÉVIN·Filed 2015·Granted May 2, 2017·3 cites·17 claims
- 0975US9382181B2Workup of a cyclododecanone cyclododecanol mixture in a sequence of side draw columnsEVONIK INDUSTRIES AG·Filed 2013·Granted Jul 5, 2016·2 cites·13 claims
- 1070US7807826B2Purification of a crude lactam mixture by means of melt crystallizationEVONIK DEGUSSA GMBH·Filed 2008·Granted Oct 5, 2010·1 cites·18 claims
- 1167US2024343661A1Catalyst and process for hydrogenation of olefinsEVONIK OXENO GMBH & CO KG·Filed 2024·Application pending·0 cites
- 1256US9156768B2Isolation of acrylic acid by means of a distillation column having a side offtakeMEIER RALF·Filed 2011·Granted Oct 13, 2015·3 cites·8 claims
- 1350US11034640B1Method for the continuous production of ketones from epoxides in a fixed bedEVONIK OPERATIONS GMBH·Filed 2019·Granted Jun 15, 2021·0 cites·13 claims
- 1450US2016045857A1Method and Device for Separating Acid Gases from a Gas MixtureEvonik Degusssa GmbH·Filed 2015·Application pending·0 cites
- 1549US10479751B2Process for preparing acrylic acidEVONIK DEGUSSA GMBH·Filed 2014·Granted Nov 19, 2019·0 cites·16 claims
- 1649US2025256745A1Computer-implemented method and apparatus for modifying a rail vehicle pathHaCon Ingenieurgesellschaft mbH·Filed 2025·Application pending·0 cites
- 1748US11370752B2Process for preparing cyclododecanoneEVONIK OPERATIONS GMBH·Filed 2018·Granted Jun 28, 2022·0 cites·9 claims
- 1848US2017095789A1Membrane-supported catalyst removal in the epoxidation of cyclic unsaturated c12 compounds, for example cyclododecene (cden)MEIER RALF·Filed 2016·Application pending·0 cites
- 1946US10913960B2Biotechnological production of omega-functionalised carboxylic acids and esters thereofEVONIK OPERATIONS GMBH·Filed 2016·Granted Feb 9, 2021·0 cites·18 claims
- 2043US10994270B2Method for reactivation of a homogeneous oxidation catalystEVONIK OPERATIONS GMBH·Filed 2017·Granted May 4, 2021·0 cites·16 claims
- 2140US9929615B2Winding arrangement and method for producing a winding arrangementBOSCH GMBH ROBERT·Filed 2015·Granted Mar 27, 2018·0 cites·22 claims
- 2240US2020317856A1Method for producing temperature-stable polyalkenylenesEVONIK OPERATIONS GMBH·Filed 2018·Application pending·0 cites
- 2340US2008245416A1Device and Method for Distribution of Two Mutually Immiscible LiquidsEVONIK DEGUSSA GMBH·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →