Inventor · disambiguated record
Urs Welz-Biermann
Also filed as: WELZ-BIERMANN URS · WELZ-BIERMANN UWE
30 granted patents·15 pending applications·87 citations·filing 1999–2022
95Inventor score
Files withMERCK PATENT GMBH22EVONIK OPERATIONS GMBH6IGNATYEV NIKOLAI MYKOLA6FINZE MAIK2IGNATYEV NIKOLAI MYLOKA2
Top patents by PatentIndex Score
45 records- 0188US7645434B2Salts comprising cyanoborate anionsMERCK PATENT GMBH·Filed 2004·Granted Jan 12, 2010·22 cites·23 claims
- 0285US7632969B2Process for the preparation of perfluoroalkylphosphines and the use thereof as perfluoroalkylating reagentsMERCK PATENT GMBH·Filed 2007·Granted Dec 15, 2009·5 cites·12 claims
- 0380US7439395B2Process for the preparation of guanidinium saltsMERCK PATENT GMBH·Filed 2005·Granted Oct 21, 2008·4 cites·16 claims
- 0479US7700781B2Salts having alkoxytris(fluoroalkyl)borate anionsMERCK PATENT GMBH·Filed 2005·Granted Apr 20, 2010·4 cites·15 claims
- 0578US10844222B2Semi-transparent polymer composite comprising a linear aliphatic polyamideEVONIK OPERATIONS GMBH·Filed 2018·Granted Nov 24, 2020·1 cites·11 claims
- 0678US7208626B2Method for the production of perfluoroalkyl phosphines and the use thereof as perfluoroalkylating reactantsMERCK PATENT GMBH·Filed 2003·Granted Apr 24, 2007·9 cites·10 claims
- 0776US7692007B2Process for the preparation of onium salts having a low chloride contentMERCK PATENT GMBH·Filed 2005·Granted Apr 6, 2010·2 cites·32 claims
- 0874US8106217B2Ionic liquids with bis[bis(pentafluoroalkyl)phosphinyl]imidesIGNATYEV NIKOLAI MYKOLA·Filed 2006·Granted Jan 31, 2012·5 cites·17 claims
- 0963US7939644B2Cyanoborate, fluoroalkylphosphate, fluoroalkylborate or imide dyesMERCK PATENT GMBH·Filed 2004·Granted May 10, 2011·3 cites·11 claims
- 1063US2025002720A1Polymeric composition and method for preparing the sameEVONIK OPERATIONS GMBH·Filed 2022·Application pending·0 cites
- 1163US2025002718A1Foamed article and method for preparing the sameEVONIK OPERATIONS GMBH·Filed 2022·Application pending·0 cites
- 1262US7576242B2Process for the preparation of organic salts containing bis(perfluoroalkyl) phosphinate anionsMERCK PATENT GMBH·Filed 2004·Granted Aug 18, 2009·3 cites·11 claims
- 1362US7202379B2Process for the preparation of bis(perfluoroalkyl)phosphinic acids and salts thereofMERCK PATENT GMBH·Filed 2003·Granted Apr 10, 2007·5 cites·18 claims
- 1458US7709656B2Ionic liquids containing guanidinium cationsMERCK PATENT GMBH·Filed 2004·Granted May 4, 2010·2 cites·8 claims
- 1557US7145004B2Method for the production of monohydro-perfluoroalkanes, bis(perfluoroalkyl)phosphinates and perfluoroalkylphosphonatesMERCK PATENT GMBH·Filed 2003·Granted Dec 5, 2006·3 cites·23 claims
- 1656US8436199B2Strong boron-containing acids, the preparation and use thereofFINZE MAIK·Filed 2009·Granted May 7, 2013·0 cites·5 claims
- 1756US6479661B1Method for symmetrically and asymmetrically disubstituting carboxylic acid amides with organotitanates and grignard reagentsMERCK PATENT GMBH·Filed 1999·Granted Nov 12, 2002·7 cites·19 claims
- 1855US8702815B2Cyanoborate, fluoroalkylphosphate, fluoroalkylborate or imide dyesIGNATYEV NIKOLAI MYKOLA·Filed 2011·Granted Apr 22, 2014·0 cites·40 claims
- 1954US12305022B2Polyamide compositionEVONIK OPERATIONS GMBH·Filed 2020·Granted May 20, 2025·0 cites·17 claims
- 2052US10941293B2Polymer composition based on linear aliphatic polyamideEVONIK OPERATIONS GMBH·Filed 2017·Granted Mar 9, 2021·0 cites·15 claims
- 2150US2023037314A1Moulding composition comprising polyether block amideEVONIK OPERATIONS GMBH·Filed 2019·Application pending·0 cites
- 2249US8859813B2Ionic liquids having uronium cations and a process for making sameIGNATYEV NIKOLAI MYLOKA·Filed 2012·Granted Oct 14, 2014·0 cites·12 claims
- 2349US6512145B1Method for the catalytic, asymmetric disubstitution of carboxylic acid amides with two different grignard reagentsMERCK PATENT GMBH·Filed 1999·Granted Jan 28, 2003·3 cites·10 claims
- 2449US2023057886A1Polymer composition comprising grapheneEVONIK SPECIALTY CHEMICALS SHANGHAI CO LTD·Filed 2020·Application pending·0 cites
- 2547US8101749B2Process for the preparation of onium salts with a tetrafluoroborate anion having a reduced halide contentIGNATYEV NIKOLAI MYKOLA·Filed 2005·Granted Jan 24, 2012·0 cites·3 claims
- 2647US2003125549A1Process for the catalytic asymmetric disubstitution of carboxamides using 2 different Grignard reagentsFiled 2002·Application pending·0 cites
- 2746US2008227987A1Process for the Preparation of Onium AlkylsulfitesIGNATYEV NIKOLAI MYKOLA·Filed 2006·Application pending·0 cites
- 2845US2009253914A1Process for the preparation of onium salts with dialkylphosphate, dialkylphosphinate or (o-alkyl)alkyl- or alkylphosphonate anions having a low halide contentMERCK PATENT GMBH·Filed 2005·Application pending·0 cites
- 2945US2003009029A1Catalytic titanium (IV) oxide, mediated geminal symmetric dialkylation of carboxamidesMERCK PATENT GMBH·Filed 2002·Application pending·0 cites
- 3044US8084617B2Ionic liquids having fluoroalkyltrifluoroborate anionsIGNATYEV NIKOLAI MYKOLA·Filed 2005·Granted Dec 27, 2011·0 cites·8 claims
- 3144US6448445B1Method for catalytically disubstituting carboxylic acid amides with at least one grignard reagentMERCK PATENT GMBH·Filed 1999·Granted Sep 10, 2002·3 cites·12 claims
- 3243US7999111B2Process for the preparation of onium alkylsulfonatesMERCK PATENT GMBH·Filed 2006·Granted Aug 16, 2011·0 cites·14 claims
- 3343US2007293391A1Novel Strong Boron-Containing Acids, The Preparation And Use ThereofFINZE MAIK·Filed 2005·Application pending·0 cites
- 3441US7541488B2Process for the preparation of mono- and bis(fluoroalkyl)phosphoranes and the corresponding acids and phosphatesMERCK PATENT GMBH·Filed 2004·Granted Jun 2, 2009·0 cites·24 claims
- 3541US2010222580A1Process For The Preparation Of Onium Alkylsulfates Having A Low Halide ContentMERCK PATENT GMBH·Filed 2005·Application pending·0 cites
- 3641US2008210566A1Electrochemical Deposition of Selenium in Ionic LiquidsWELZ-BIERMANN URS·Filed 2006·Application pending·0 cites
- 3740US8269041B2Ionic liquids having uronium or thiouronium cationsIGNATYEV NIKOLAI MYLOKA·Filed 2004·Granted Sep 18, 2012·0 cites·14 claims
- 3840US8143452B2Salts having alkoxytris(fluoroalkyl)borate anionsIGNATYEV NIKOLA MYKOLA·Filed 2010·Granted Mar 27, 2012·0 cites·3 claims
- 3940US2009062571A1Dehydration of alcohols to give alkenes or ethersIGNATYEV NIKOLAI MYKOLA·Filed 2006·Application pending·0 cites
- 4039US7550491B2Ionic liquids having [N(CF3)2]− anionsMERCK PATENT GMBH·Filed 2003·Granted Jun 23, 2009·0 cites·28 claims
- 4139US2009242414A1Electronchemical deposition of tantalum and/or copper in ionic liquidsWELZ-BIERMANN URS·Filed 2005·Application pending·0 cites
- 4238US2008193651A1Surface Modification Of Solid Support MaterialsLUBDA DIETER·Filed 2006·Application pending·0 cites
- 4336US6420302B1Catalyst systemMERCK PATENT GMBH·Filed 1999·Granted Jul 16, 2002·3 cites·4 claims
- 4435US2005119513A1Method for perfluoroalkylation by means of tris (perfluoroalkyl) phosphine oxidesFiled 2003·Application pending·0 cites
- 4532US6515180B1Method for the catalytic, symmetric disubstitution of carboxylic acid amides with grignard reagentsMERCK PATENT GMBH·Filed 1999·Granted Feb 4, 2003·3 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →