Stephan Schlitter
29Patents
5h-index
51Co-inventors
68Inventor score
Filing activity: Dec 7, 2001 → Jan 23, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7459571B2 | Catalyst extrudates based on copper oxide and their use for hydrogenating carbonyl compounds | Emerging Cross-Sectional Technologies | 15 | Active |
| US7807603B2 | Catalyst extrudates based on copper oxide and their use for hydrogenating carbonyl compounds | Emerging Cross-Sectional Technologies | 6 | Active |
| US7462747B2 | Process for preparing polyalcohols from formaldehyde having a low formic acid content | Chemistry; Metallurgy | 5 | Active |
| US7041752B2 | Catalyst and method for the production of polytetrahydrofuran | Performing Operations; Transporting | 5 | Expired |
| US6888011B2 | Porous catalyst for the hydrogenation of maleic anhydride to tetrahydrofuran | Performing Operations; Transporting | 5 | Expired |
| US7767865B2 | Method for producing hydroxypivalaldehyde and neopentyl glycol | Chemistry; Metallurgy | 5 | Active |
| US6831182B2 | Method for the hydrogenation of maleic anhydride and related compounds in two serial reaction zones | Chemistry; Metallurgy | 4 | Expired |
| US7442810B2 | Method for the production of defined mixtures of THF, BDO and GBL by gas phase hydrogenation | Chemistry; Metallurgy | 3 | Expired |
| US7388116B2 | Hydrogenation of methylolalkanals | Chemistry; Metallurgy | 3 | Active |
| US7098349B2 | Method for producing tetrahydrofuran | Chemistry; Metallurgy | 3 | Expired |
| US7271299B2 | Two-stage method for producing butanediol with intermediated separation of succinic anhydride | Chemistry; Metallurgy | 3 | Expired |
| US7351311B2 | Method for purifying tetrahydrofuran by distillation | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7781368B2 | Adsorption composition and method of removing CO from streams | Performing Operations; Transporting | 2 | Active |
| US6958404B2 | Method for the hydrogenation of maleic anhydride and related compounds in a fluid bed reactor | Chemistry; Metallurgy | 2 | Expired |
| US7884048B2 | Adsorption composition and process for removal of CO from material streams | Performing Operations; Transporting | 2 | Active |
| US7154011B2 | Method for the production of 1,4- butanediol | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6730800B2 | Method for the production of tetrahydrofuran | Chemistry; Metallurgy | 2 | Expired |
| US7276573B2 | Method for producing monoesters and diesters of polytetrahydrofuran and of tetrahydrofuran copolymers | Chemistry; Metallurgy | 1 | Expired |
| US7307040B2 | Method for the selective production of tetrahydrofuran by hydrogenating maleic acid anhydride | Performing Operations; Transporting | 1 | Expired |
| US7169958B2 | Method for the production of 1,4- butane-diol by combined gas-phase and liquid-phase hydrogenation | Chemistry; Metallurgy | 1 | Expired |
| US7217679B2 | Catalytic coating for the hydrogenation of maleic anhydride and related compounds to give γ-butyrolactone, tetrahydrofuran and derivatives thereof | Performing Operations; Transporting | 1 | Expired |
| US11248118B2 | Tackifier for rubber compositions | Chemistry; Metallurgy | 1 | Active |
| US7449422B2 | Catalyst, its preparation and the polymerization of cyclic ethers over this catalyst | Performing Operations; Transporting | 0 | Expired |
| US7193091B2 | Method for the simultaneous production of tetrahydrofurans and pyrrolidones | Chemistry; Metallurgy | 0 | Expired |
| US7544766B2 | Method for the polymerization of cyclic ethers | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.