Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808270 | Process and apparatus for the preparation of ether | Reinhard Glatthaar, Nikolaus Buckl | 1989-02-28 |
| 4636225 | Drying of gases with multi-layer adsorption beds | Guenter Klein | 1987-01-13 |
| 4515678 | Process and catalyst for the hydrogenation of coal | Heinz Zimmerman | 1985-05-07 |
| 4324935 | Special conditions for the hydrogenation of heavy hydrocarbons | Claus Schliebener | 1982-04-13 |
| 4310409 | Thermal cracking of heavy fraction of hydrocarbon hydrogenate | Walter Kreuter, Claus Schliebener | 1982-01-12 |
| 4297204 | Thermal cracking with post hydrogenation and recycle of heavy fractions | Claus Schliebener | 1981-10-27 |
| 4260474 | Thermal cracking of heavy fraction of hydrocarbon hydrogenate | Walter Kreuter, Claus Schliebener | 1981-04-07 |
| 4257871 | Use of vacuum residue in thermal cracking | Klaus D. Mikulla | 1981-03-24 |
| 4244808 | Method of processing a high-boiling fraction obtained in the cracking of hydrocarbons | Udo Lang, Berndt Horner | 1981-01-13 |
| 4210520 | Unsupported catalysts in the production of olefins | Walter Kreuter | 1980-07-01 |
| 4188281 | Two-stage production of olefins utilizing a faujasite structure zeolite in hydrogenation stage | Allan Watson, Walter Kreuter, Manfred Mansmann, Horst Weber | 1980-02-12 |