Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688973 | Process for the production of 2-vinyl-1,3-dioxolane | Mathias Hoepp, Wolfgang Boeck, Andreas Bosse-Plois, Klaus Raible | 1997-11-18 |
| 5681973 | Microporous heteropolyoxometallates and method of their production and use as catalysts | Wolfgang Hoelderich, Markus Hoelscher, Goetz-Peter Schindler, Ulli Englert, Bodo ZIBROWIUS | 1997-10-28 |
| 5679860 | Process for the production of 3-aminoethyl-3,5,5-trimethylcyclohexyl amine | Thomas Haas, Roland Burmeister, Karl-Ludwig Weber, Monika Berweiler | 1997-10-21 |
| 5658844 | Catalyst for the production of cyanopyriclines | Lukas V. Hippel, Armin Neher | 1997-08-19 |
| 5583260 | Method of influencing the cis/trans isomer ratio of isophoronediamine in its preparation from isophoronenitrile | Thomas Haas, Dieter Most | 1996-12-10 |
| 5504254 | Process for the preparation of isophoronediamine | Thomas Haas, Dieter Most | 1996-04-02 |
| 5426249 | Process for the simultaneous production of 1,2- and 1,3-propanediol | Thomas Haas, Armin Neher, Herbert Klenk, Walter Girke | 1995-06-20 |
| 5387720 | Process for the production of acrolein | Armin Neher, Thomas Haas, Herbert Klenk, Walter Girke | 1995-02-07 |
| 5364987 | Process for the preparation of 1,3-propanediol | Thomas Haas | 1994-11-15 |
| 5364984 | Process for the preparation of 1,3-propanediol by the hydrogenation of hydroxypropionaldehyde | Thomas Haas, Adolf Schafer-Sindlinger | 1994-11-15 |
| 5334778 | Process for the production of 1,3-propanediol | Thomas Haas, Norbert Wiegand | 1994-08-02 |
| 5284979 | Process for the prepartion of 3-hydroxyalkanals | Thomas Haas, Georg Bohme | 1994-02-08 |
| 5276201 | Process for the production of 3-hydroxyalkanals | Thomas Haas, Reinhold Brand | 1994-01-04 |
| 5234883 | Catalyst for hardening fatty acids and process for its preparation | Adolf Schaefer-Sindlinger | 1993-08-10 |
| 5216179 | Method of producing mixtures of cyclic acrolein glycerol acetals | Mathias Hoepp, Stephan Bartsch, Adolf Schaefer-Sindlinger, Wolfgang Boeck | 1993-06-01 |
| 5177220 | Method for the asymmetric hydrogenation of .alpha.-ketocarbonyl compounds to optically active .alpha.-hydroxycarbonyl compounds | Adolf Schafer | 1993-01-05 |
| 5171898 | Method for the production of 1,3-propandiol | Norbert Wiegand | 1992-12-15 |
| 5100852 | Compounds of catalysts for dealkoxylation of gem-dialkoxy | Michael Baacke, Peter Kleinschmit, Guenter Prescher | 1992-03-31 |
| 5082819 | Catalyst for catalytic gas phase oxidation of olefins into unsaturated aldehydes and method for making the catalyst | Wolfgang Boeck, Guenter Prescher, Werner Burkhardt | 1992-01-21 |
| 5072052 | Process for the production of acrolein by catalytic gas-phase oxidation of propene | Wolfgang Boeck, Guenter Prescher, Werner Burkhardt | 1991-12-10 |
| 5015789 | Method of preparing 1,3-propanediol | Norbert Wiegand | 1991-05-14 |
| 4621072 | Process for preparing abrasion-resistant coated catalysts | Gunter Prescher, Werner Burkhardt, Johannes Heilos, Reinhard Manner | 1986-11-04 |
| 4579979 | Method for preparation of acetals | Juan Andrade, Michael Kraft, Gunter Prescher | 1986-04-01 |
| 4539409 | Process for preparing aromatic nitriles | Gunter Prescher, Werner Burkhardt, Johannes Heilos, Reinhard Manner | 1985-09-03 |
| 4521618 | Process for preparing acrylic or methacrylic acid | Gunter Prescher, Werner Burkhardt, Johannes Heilos, Reinhard Manner | 1985-06-04 |