Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9163180 | Process for the conversion of carbon-based material by a hybrid route combining direct liquefaction and indirect liquefaction in the presence of hydrogen resulting from non-fossil resources | Pierre Marion, Alain Quignard | 2015-10-20 |
| 9045701 | Method of hydrotreating feeds from renewable sources with indirect heating | Laurent Bournay, Thierry Chapus | 2015-06-02 |
| 8916043 | Coal conversion process and products, comprising two direct ebullated bed liquefaction stages and a fixed bed hydrocracking stage | Nadege Charon, Hugues Dulot, Alain Quignard | 2014-12-23 |
| 8623102 | Process for direct hydorliquefaction of biomass comprising two stages of ebullating bed hydroconversion | Alain Quignard | 2014-01-07 |
| 7794632 | Process for the preparation of pure aryllithium compounds and their use | Ute Emmel, Ulrich Wietelmann, Dirk Dawidowski | 2010-09-14 |
| 7175784 | Method for the production of alkyl lithium compounds by using reduced pressure | Eike Dolling, Bernd Schneider | 2007-02-13 |
| 6994838 | Process for the preparation of lithium aluminium hydride solutions | Dirk Dawidowski, Bernhard Debbeler, Ute Emmel, Walter Pleyer | 2006-02-07 |
| 6756024 | Method for preparing lithium amide | Dirk Dawidowski | 2004-06-29 |
| 6646169 | Concentrated, stable alkali alkoxide solutions | Dirk Dawidowski, Ute Emmel, Ulrich Wietelmann | 2003-11-11 |
| 6495064 | Ethyllithium in dibutyl ether | Rainer Aul, Ute Emmel, Peter Rittmeyer | 2002-12-17 |
| 6492561 | Alkaline earth metal alkylene diamides, method for their production, and their use | Dirk Dawidowski | 2002-12-10 |
| 5677543 | Dissolved methyllithium-containing composition for use in synthesis reactions | Peter Rittmeyer, Ute Emmel | 1997-10-14 |
| 5574197 | Method of making a stable non-pyrophoric lithium diorganoamide solution | Ulrich Wietelmann, Uwe Lischka, Ute Emmel | 1996-11-12 |
| 5304702 | Process of decomposing chlorofluorohydrocarbons | Klaus Kobele | 1994-04-19 |
| 5149889 | Composition for use in organolithium synthesis reactions | Jurgen Deberitz | 1992-09-22 |
| 5019214 | Twin-wire former for the production of a web of paper | Albrecht Meinecke, Dieter Egelhof | 1991-05-28 |
| 4982017 | Composition for use in organolithium synthesis reactions | Jurgen Deberitz | 1991-01-01 |
| 4895989 | Process for producing alkali metal alcoholates | Ulrich Sander, Pavel Soukup, Harald Helmrich | 1990-01-23 |
| 4725311 | Process for producing alkali metals in elemental form | Otmar Krennrich, Gottfried Brendel | 1988-02-16 |