Issued Patents All Time
Showing 51–75 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7772148 | Heterogeneous catalyst for the preparation of acrolein by partial gas phase oxidation of propene | Jochen Petzoldt | 2010-08-10 |
| 7762404 | Device for performing the purifying separation of crystals out of their suspension in a contaminated crystal melt | Joerg Heilek, Dieter Baumann, Bernd Eck, Ulrich Hammon | 2010-07-27 |
| 7732624 | Process for operating a continuous removal of a target product X in the form of fine crystals | Joerg Heilek, Ulrich Hammon, Volker Schliephake, Dieter Baumann | 2010-06-08 |
| 7731916 | Method of charging catalyst tubes of a bundle of catalyst tubes in a structured fashion | Martin Dieterle, Knut Eger, Ulrich Hammon, Volker Schliephake | 2010-06-08 |
| 7700804 | Process for transferring heat to a liquid mixture comprising at least one (meth)acrylic monomer | Gunter Lipowsky, Volker Schliephake, Steffen Rissel, Ulrich Jaeger, Frank Hoefer +2 more | 2010-04-20 |
| 7667073 | Preparation of catalytically active multielement oxide materials which contain at least one of the elements Nb and W and the elements Mo, V and Cu | Martin Dieterle, Hartmut Hibst, Wolfgang Juergen Popel, Jochen Petzoldt | 2010-02-23 |
| 7637965 | Process for controlling a hydraulic wash column | Joerg Heilek, Ulrich Hammon, Thomas Walter | 2009-12-29 |
| 7601866 | Process for removing methacrolein from liquid phase comprising acrylic acid as a main constituent and target product, and methacrolein as a secondary component | Joerg Heilek, Christoph Adami, Martin Dieterle | 2009-10-13 |
| 7592483 | Preparation of acrolein or acrylic acid or a mixture thereof by heterogeneously catalyzed partial gas phase oxidation of propylene | Martin Dieterle, Armin Diefenbacher, Goetz-Peter Schindler, Catharina Klanner, Christoph Adami | 2009-09-22 |
| 7589046 | Thermal treatment of the precursor material of a catalytically active material | Martin Dieterle, Wolfgang Juergen Poepel, Silke Berndt, Raimund Felder, Signe Unverricht | 2009-09-15 |
| 7589236 | Process for separating acrylic acid and benzoic acid present in a product gas mixture of a partial heterogeneously catalyzed gas phase oxidation of a C3 precursor compound of acrylic acid | Joerg Heilek, Martin Dieterle, Armin Diefenbacher | 2009-09-15 |
| 7560590 | Rectificative separation of an acrylic acid-containing liquid | Frank Hoefer, Volker Schliephake | 2009-07-14 |
| 7540884 | Method for performing the purifying separation of crystals out their suspension in a mother liquor | Ulrich Hammon, Dieter Baumann, Joerg Heilek, Bernd Eck | 2009-06-02 |
| 7524792 | Preparation of catalytically active multielement oxide materials which contain at least one of the elements Nb and W and the elements Mo, V and Cu | Martin Dieterle, Hartmut Hibst, Wolfgang Juergen Poepel, Jochen Petzoldt | 2009-04-28 |
| 7518016 | Long-term operation of a heterogeneously catalyzed gas phase partial oxidation of at least one organic compound | Martin Dieterle, Gerhard Laqua | 2009-04-14 |
| 7518015 | Process for heterogeneously catalyzed gas phase partial oxidation of at least one organic starting compound | Ulrich Cremer, Ulrike Wegerle, Gerhard Laqua, Ulrich Hammon | 2009-04-14 |
| 7439389 | Process for preparing at least one organic target compound by heterogeneously catalyzed gas phase partial oxidation | Martin Dieterle, Jochen Petzoldt, Ulrich Hammon | 2008-10-21 |
| 7393436 | Thermal separating process for removing at least one stream containing enriched (meth) acrylic monomers | Bernd Eck, Ulrich Hammon, Juergen Schroeder, Joachim Thiel, Hans Martan | 2008-07-01 |
| 7388106 | Process for preparing acrolein or acrylic acid or a mixture thereof from propane | Catharina Klanner, Martin Dieterle, Goetz-Peter Schindler, Tsung-Chieh Cheng | 2008-06-17 |
| 7348443 | Method for producing partial oxidation products and/or partial ammoxidation products of at least one olefinic hydrocarbon | Theo Proll, Otto Machhammer, Goetz-Peter Schindler | 2008-03-25 |
| 7331354 | Cleaning of tray columns which have been used for rectificatively treating liquids comprising (meth)acrylic acid and/or esters thereof | Juergen Schroeder, Volker Schliephake, Ulrich Hammon, Volker Diehl, Ulrich Jaeger | 2008-02-19 |
| 7323590 | Process for rectificatively separating a liquid comprising acrylic acid and/or methacrylic acid | Gunter Lipowsky | 2008-01-29 |
| 7319166 | Method of purifying a raw melt of at least one monomer by crystallization | Ulrich Hammon, Bernd Eck, Dieter Baumann, Joerg Heilek | 2008-01-15 |
| 7307189 | Method for discontinuous purification of crude acrylic acid by means of crystallization | Bernd Eck, Dieter Baumann, Joerg Heilek | 2007-12-11 |
| 7307132 | Method for producing low-odor hydrogel-forming polymers | Gerhard Nestler, Stefan Wickel | 2007-12-11 |