Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12057573 | Lithiated silicon/carbon composite materials and method for producing the same | Ulrich Wietelmann, Christopher Kurth, Stefan Scherer, Thorsten Buhrmester, Gerd Krämer | 2024-08-06 |
| 11230519 | Low-viscosity solutions of alkaline-earth metal alkoxides in aprotic solvents, method for the production of same and use for the production of ziegler-natta catalysts | Ulrich Wietelmann, Armin Stoll, Florian Kiefer | 2022-01-25 |
| 11145910 | 1.5-3 V lithium batteries with overcharge protection | Ulrich Wietelmann, Irina Wolf, Margret Wohlfahrt-Mehrens, Serife Kaymaksiz Tost, Florian Wilhelm +1 more | 2021-10-12 |
| 11018334 | Stabilized lithium metal impressions coated with alloy-forming elements and method for production thereof | Ulrich Wietelmann, Christoph Hartnig | 2021-05-25 |
| 10544074 | Low-viscosity solutions of alkaline-earth metal alkoxides in aprotic solvents, method for the production of same and use for the production of Ziegler-Natta catalysts | Ulrich Wietelmann, Armin Stoll, Florian Kiefer | 2020-01-28 |
| 10522819 | Stabilised (partially) lithiated graphite materials, methods for the production thereof and use for lithium batteries | Ulrich Wietelmann, Vera Nickel, Stefan Scherer, Thorsten Buhrmester, Steffen Haber +1 more | 2019-12-31 |
| 10431818 | Active lithium reservoir for lithium-ion batteries | Ulrich Wietelmann, Stefan Scherer, Christoph Hartnig | 2019-10-01 |
| 10160036 | Stabilized lithium metal formations coasted with a shell containing nitrogen, and a method for the production of same | Ulrich Wietelmann, Christoph Hartnig, Vera Nickel | 2018-12-25 |
| 9847552 | Method for producing low-acid lithium borate salts and mixtures of low-acid lithium borate salts and lithium hydride | Rainer Dietz, Ulrich Wietelmann, Uwe Lischka | 2017-12-19 |
| 9809657 | Low-viscosity concentrated solutions of alkaline earth metal alkoxides in aprotic solvents and processes for preparation thereof | Ulrich Wietelmann, Armin Stoll, Florian Kiefer | 2017-11-07 |
| 9649688 | Lithium powder anode | Ulrich Wietelmann, Christoph Hartnig | 2017-05-16 |
| 9601762 | Phosphorous-coated lithium metal products, method for production and use thereof | Ulrich Wietelmann, Christoph Hartnig, Sven Schröter | 2017-03-21 |
| 9509014 | Galvanic cell having a lithium metal or an alloy comprising a lithium metal as anode material and an electrolyte having lithium . . . complex salt | Ulrich Wietelmann, Thorsten Buhrmester, Rebecca Metzger | 2016-11-29 |
| 9496545 | Li2S@C-coated lithium metal product, method for the production thereof, and use | Ulrich Wietelmann, Christoph Hartnig, Sebastian Lang | 2016-11-15 |
| 9260456 | Process for preparing metal difluorochelatoborates and use as battery electrolytes or additives in electrochemical cells | Ulrich Wietelmann, Peter Rittmeyer | 2016-02-16 |
| 9163097 | Low-viscosity, concentrated solutions of magnesium complexes for producing polymerization catalysts and method for producing the same | Ulrich Wietelmann, Jens Röder | 2015-10-20 |
| 8956991 | Concentrated solutions of alkaline-earth metal oxides in aprotic solvents and method for the production thereof | Ulrich Wietelmann, Jens Röder, Martin Steinbild, Kay Papstein | 2015-02-17 |
| 8148286 | Activated alkaline earth metal, in particular magnesium, for the preparation of organoalkaline earth metal compounds | Rainer Dietz, Ulrich Wietelmann, Uwe Lischka | 2012-04-03 |
| 7982046 | Method for the production of functionalized five-ring heterocycles, and use thereof | Peter Rittmeyer, Ulrich Wietelmann | 2011-07-19 |
| 7799723 | Method for the production of magnesium alkoxide granules, and use thereof | Rainer Dietz, Ulrich Wietelmann, Gerd Kr{hacek over (a)}mer | 2010-09-21 |
| 7794632 | Process for the preparation of pure aryllithium compounds and their use | Wilfried Weiss, Ulrich Wietelmann, Dirk Dawidowski | 2010-09-14 |
| 7501075 | Synthesis agent containing methyllithium/lithium bromide, and process for the preparation thereof | Peter Rittmeyer, Ulrich Wietelmann, Rainer Aul | 2009-03-10 |
| 6994838 | Process for the preparation of lithium aluminium hydride solutions | Dirk Dawidowski, Bernhard Debbeler, Walter Pleyer, Wilfried Weiss | 2006-02-07 |
| 6646169 | Concentrated, stable alkali alkoxide solutions | Dirk Dawidowski, Wilfried Weiss, Ulrich Wietelmann | 2003-11-11 |
| 6495064 | Ethyllithium in dibutyl ether | Wilfried Weiss, Rainer Aul, Peter Rittmeyer | 2002-12-17 |