Welz-Biermann; Urs

Patent Applications and Registrations

Patent applications and USPTO patent grants for Welz-Biermann; Urs.The latest application filed is for "polyamide composition".

Company Profile

4.28.35

Welz-Biermann; Urs - Lafayette IN
Welz-Biermann; Urs - Shanghai CN
Welz-Biermann; Urs - Heppenheim DE
Welz-Biermann, Urs - Mannheim DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Polyamide Composition App 20220195145 - Salwiczek; Kathrin ; et al.	2022-06-23
Polymer composition based on linear aliphatic polyamide Grant 10,941,293 - Yang , et al. March 9, 2	2021-03-09
Semi-transparent polymer composite comprising a linear aliphatic polyamide Grant 10,844,222 - Yang , et al. November 24, 2	2020-11-24
Polymer composition based on linear aliphatic polyamide App 20200299508 - Yang; Jianmin ; et al.	2020-09-24
Semi-transparent polymer composite comprising a linear aliphatic polyamide App 20190153221 - YANG; Jianmin ; et al.	2019-05-23
Ionic liquids having uronium cations and a process for making same Grant 8,859,813 - Ignatyev , et al. October 14, 2	2014-10-14
Cyanoborate, fluoroalkylphosphate, fluoroalkylborate or imide dyes Grant 8,702,815 - Ignatyev , et al. April 22, 2	2014-04-22
Strong boron-containing acids, the preparation and use thereof Grant 8,436,199 - Finze , et al. May 7, 2	2013-05-07
Ionic Liquids Having Uronium Of Thiouronium Cations App 20120316058 - IGNATYEV; Nikolai (Myloka) ; et al.	2012-12-13
Ionic liquids having uronium or thiouronium cations Grant 8,269,041 - Ignatyev , et al. September 18, 2	2012-09-18
Salts having alkoxytris(fluoroalkyl)borate anions Grant 8,143,452 - Ignatyev , et al. March 27, 2	2012-03-27
Ionic liquids with bis[bis(pentafluoroalkyl)phosphinyl]imides Grant 8,106,217 - Ignatyev , et al. January 31, 2	2012-01-31
Process for the preparation of onium salts with a tetrafluoroborate anion having a reduced halide content Grant 8,101,749 - Ignatyev , et al. January 24, 2	2012-01-24
Ionic liquids having fluoroalkyltrifluoroborate anions Grant 8,084,617 - Ignatyev , et al. December 27, 2	2011-12-27
Process for the preparation of onium alkylsulfonates Grant 7,999,111 - Ignatyev , et al. August 16, 2	2011-08-16
Cyanoborate, Fluoroalkylphosphate, Fluoroalkylborate Or Imide Dyes App 20110190480 - IGNATYEV; Nikolai (Mykola) ; et al.	2011-08-04
Cyanoborate, fluoroalkylphosphate, fluoroalkylborate or imide dyes Grant 7,939,644 - Ignatyev , et al. May 10, 2	2011-05-10
Process For The Preparation Of Onium Alkylsulfates Having A Low Halide Content App 20100222580 - Ignatyev; Nikolai ; et al.	2010-09-02
Salts Having Alkoxytris(fluoroalkyl)borate Anions App 20100160689 - Ignatyev; Nikola (Mykola) ; et al.	2010-06-24
Ionic liquids containing guanidinium cations Grant 7,709,656 - Welz-Biermann , et al. May 4, 2	2010-05-04
Salts having alkoxytris(fluoroalkyl)borate anions Grant 7,700,781 - Ignatyev , et al. April 20, 2	2010-04-20
Process for the preparation of onium salts having a low chloride content Grant 7,692,007 - Ignatyev , et al. April 6, 2	2010-04-06
Novel Strong Boron-containing Acids, The Preparation And Use Thereof App 20100069655 - FINZE; Maik ; et al.	2010-03-18
Salts comprising cyanoborate anions Grant 7,645,434 - Welz-Biermann , et al. January 12, 2	2010-01-12
Process for the preparation of perfluoroalkylphosphines and the use thereof as perfluoroalkylating reagents Grant 7,632,969 - Welz-Biermann , et al. December 15, 2	2009-12-15
Process For The Preparation Of Onium Salts With A Tetrafluoroborate Anion Having A Reduced Halide Content App 20090253912 - Ignatyev; Nikolai (Mykola) ; et al.	2009-10-08
Process For The Preparation Of Onium Salts With Dialkylphosphate, Dialkylphosphinate Or (o-alkyl)alkyl- Or Alkylphosphonate Anions Having A Low Halide Content App 20090253914 - Ignatyev; Nikolai (Mykola) ; et al.	2009-10-08
Electronchemical Deposition Of Tantalum And/or Copper In Ionic Liquids App 20090242414 - Welz-Biermann; Urs ; et al.	2009-10-01
Process for the preparation of organic salts containing bis(perfluoroalkyl) phosphinate anions Grant 7,576,242 - Ignatyev , et al. August 18, 2	2009-08-18
Ionic liquids having [N(CF.sub.3).sub.2].sup.- anions Grant 7,550,491 - Ignatyev , et al. June 23, 2	2009-06-23
Process for the preparation of mono- and bis(fluoroalkyl)phosphoranes and the corresponding acids and phosphates Grant 7,541,488 - Ignatyev , et al. June 2, 2	2009-06-02
Dehydration Of Alcohols To Give Alkenes Or Ethers App 20090062571 - Ignatyev; Nikolai (Mykola) ; et al.	2009-03-05
Process for the preparation of guanidinium salts Grant 7,439,395 - Ignatyev , et al. October 21, 2	2008-10-21
Process for the Preparation of Onium Alkylsulfites App 20080227987 - Ignatyev; Nikolai (Mykola) ; et al.	2008-09-18
Process for the Preparation of Onium Alkylsulfonates App 20080221334 - Ignatyev; Nikolai (Mykola) ; et al.	2008-09-11
Salts Having Alkoxytris(Fluoroalkyl)Borate Anions App 20080214829 - Ignatyev; Nikola (Mykola) ; et al.	2008-09-04
Electrochemical Deposition of Selenium in Ionic Liquids App 20080210566 - Welz-Biermann; Urs ; et al.	2008-09-04
Low-Viscosity Ionic Liquids App 20080194831 - Ignatyev; Nikolai (Mykola) ; et al.	2008-08-14
Surface Modification Of Solid Support Materials App 20080193651 - Lubda; Dieter ; et al.	2008-08-14
Process for the Preparation of Onium Salts Having a Low Chloride Content App 20080027230 - Ignatyev; Nikolai (Mykola) ; et al.	2008-01-31
Novel Strong Boron-Containing Acids, The Preparation And Use Thereof App 20070293391 - Finze; Maik ; et al.	2007-12-20
Ionic Liquids Having Uronium Or Thiouronium Cations App 20070287869 - Ignatyev; Nikolai (Myloka) ; et al.	2007-12-13
Ionic Liquids Containing Guanidinium Cations App 20070265453 - Welz-Biermann; Urs ; et al.	2007-11-15
Ionic Liquids Having Fluoroalkyltrifluoroborate Anions App 20070213538 - Ignatyev; Nikolai Mykola ; et al.	2007-09-13
Process For The Preparation Of Perfluoroalkylphosphines And The Use Thereof As Perfluoroalkylating Reagents App 20070191637 - Welz-Biermann; Urs ; et al.	2007-08-16
Process for the preparation of guanidinium salts App 20070135645 - Ignatyev; Nikolai (Mykola) ; et al.	2007-06-14
Method for the production of perfluoroalkyl phosphines and the use thereof as perfluoroalkylating reactants Grant 7,208,626 - Welz-Biermann , et al. April 24, 2	2007-04-24
Process for the preparation of mono-and bis(fluoroalkyl)phosphoranes and the corresponding acids and phosphates App 20070088176 - Ignatyev; Nikolai (Mykola) ; et al.	2007-04-19
Process for the preparation of bis(perfluoroalkyl)phosphinic acids and salts thereof Grant 7,202,379 - Welz-Biermann , et al. April 10, 2	2007-04-10
Method for the production of monohydro-perfluoroalkanes, bis(perfluoroalkyl)phosphinates and perfluoroalkylphosphonates Grant 7,145,004 - Ignatyev , et al. December 5, 2	2006-12-05
Salts comprising cyanoborate anions App 20060222584 - Welz-Biermann; Urs ; et al.	2006-10-05
Ionic liquids having [n(cf3)2]-anions App 20060079691 - Ignatyev; Nikolai ; et al.	2006-04-13
Process for the preparation of bis(perfluoroalkyl)phosphinic acids and salts thereof App 20050256334 - Welz-Biermann, Urs ; et al.	2005-11-17
Method for the production of monohydro-perfluoroalkanes, bis (perfluoroalkyl) phosphinates and perfluoroalkylphosphonates App 20050222411 - Ignatyev, Nikolai ; et al.	2005-10-06
Method for the production of perfluoroaldyl phosphines and the use thereof as perfluoroalkylating reactants App 20050131256 - Welz-Biermann, Urs ; et al.	2005-06-16
Method for perfluoroalkylation by means of tris (perfluoroalkyl) phosphine oxides App 20050119513 - Ignatyev, Nikolai ; et al.	2005-06-02
Phosphorus-borates with low melting points App 20050000824 - Schmidt, Michael ; et al.	2005-01-06
Process for the catalytic asymmetric disubstitution of carboxamides using 2 different Grignard reagents App 20030125549 - Buchholz, Herwig ; et al.	2003-07-03
Catalytic titanium (IV) oxide, mediated geminal symmetric dialkylation of carboxamides App 20030009029 - Buchholz, Herwig ; et al.	2003-01-09
Method for symmetrically and asymmetrically disubstituting carboxylic acid amides with organotitanates and grignard reagents Grant 6,479,661 - Buchholz , et al. November 12, 2	2002-11-12

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