Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6184173 | Multimetal oxides | Hartmut Hibst, Andreas Tenten | 2001-02-06 |
| 6127307 | Catalyst composition free from noble metals | Ulrich Müller, Michael Schulz, Wolfgang Harder | 2000-10-03 |
| 6124499 | Preparation of organic acids such as acrylic acid by catalytic oxidation using a group V mixed metal oxide catalyst containing Cu, Mo, W, V, Nb and Ta | Hartmut Hibst, Andreas Tenten | 2000-09-26 |
| 6084126 | Oxidation using multimetal molybdenum and vanadium oxides | Hartmut Hibst, Andreas Tenten | 2000-07-04 |
| 5885922 | Multimetal oxide materials | Hartmut Hibst, Andreas Tenten | 1999-03-23 |
| 5807531 | Multimetal oxides | Hartmut Hibst, Andreas Tenten | 1998-09-15 |
| 5686373 | Polymetal oxide materials | Andreas Tenten, Friedrich-Georg Martin, Hartmut Hibst, Veronika Kohl | 1997-11-11 |
| 5589600 | Preparation of cyclohexene by partial hydrogenation of benzene | Rolf Fischer, Roman Dostalek | 1996-12-31 |
| 5401884 | Preparation of formaldehyde by oxidative dehydrogenation of methanol in the presence of dinitrogen oxide | Rainer Diercks, Manfred Essig | 1995-03-28 |
| 5194675 | Preparation of methyl formate | Klaus Joerg, Franz Mueller, Matthias Irgang, Gerhard Borchert | 1993-03-16 |
| 5009877 | Stabilization of acicular ferromagnetic chromium dioxide | Werner Steck, Herbert Haberkorn, Rainer Feser, Werner Huebner, Helmut Jakusch | 1991-04-23 |
| 4859443 | Preparation of silicon nitride powder | — | 1989-08-22 |
| 4849395 | Preparation of amorphous metal/magnesium silicates | Joachim Stabenow, Knut Eger, Matthias Irgang, Guenter Zirker | 1989-07-18 |
| 4781851 | Preparation of ferromagnetic chromium dioxide | Werner Steck, Herbert Haberkorn, Werner Huebner, Helmut Jakusch | 1988-11-01 |
| 4551321 | Preparation of zeolites | Hans-Ulrich Schlimper, Matthias Schwarzmann, Joachim Stabenow | 1985-11-05 |
| 4543427 | Preparation of cyclohexanol and cyclohexanone | Juergen Hartig, Armin Stoessel, Guenter Herrmann | 1985-09-24 |
| 4491637 | Cobalt-containing supported catalysts and their preparation | Juergen Hartig, Armin Stoessel, Guenter Herrmann | 1985-01-01 |
| 4474741 | Preparation of a crystalline aluminosilicate (zeolite) | Wolfgang Hoelderich, Wolf D. Mross, Matthias Schwarzmann | 1984-10-02 |
| 4456582 | Manufacture of nitrogen-containing crystalline metal silicates having a zeolite structure | Joachim Stabenow, Matthias Schwarzmann | 1984-06-26 |
| 4436833 | Preparation of methanol synthesis catalyst comprising zinc, copper and aluminum | Franz J. Broecker, Karl-Heinz Gruendler, Matthias Schwarzmann, Bruno Triebskorn, Guenter Zirker | 1984-03-13 |
| 4404175 | Preparation of zeolites | Hans-Ulrich Schlimper, Matthias Schwarzmann, Joachim Stabenow | 1983-09-13 |
| 4401637 | Crystalline isotactic zeolites and their preparation | Joachim Stabenow, Matthias Schwarzmann | 1983-08-30 |
| 4367214 | Manufacture of acicular ferrimagnetic iron oxide | Wilhelm Sarnecki, Horst Autzen, Manfred Ohlinger, Werner Steck | 1983-01-04 |
| 4344791 | Manufacture of acicular ferromagnetic iron particles | Werner Steck, Wilhelm Sarnecki, Manfred Ohlinger, Werner Loeser | 1982-08-17 |
| 4300911 | Method for preparing crystalline SiO.sub.2 modification | Joachim Stabenow, Matthias Schwarzmann | 1981-11-17 |