Alexander Weck
44Patents
7h-index
112Co-inventors
72Inventor score
Filing activity: Jan 27, 1997 → Feb 15, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6846389B2 | Method for distillative separation of mixtures containing tetrahydrofuran, γ-butyrolactone and/or 1,4-butanediol | Emerging Cross-Sectional Technologies | 25 | Expired |
| US8071389B2 | Method for controlling hydrogenation | Emerging Cross-Sectional Technologies | 21 | Active |
| US7459571B2 | Catalyst extrudates based on copper oxide and their use for hydrogenating carbonyl compounds | Emerging Cross-Sectional Technologies | 15 | Active |
| US6037381A | Preparation of polytetrahydrofuran with terminal hydroxyl groups using ion exchangers | Chemistry; Metallurgy | 12 | Expired |
| US6072076A | Continuous preparation of alkyl esters of (meth)acrylic acid | Chemistry; Metallurgy | 11 | Expired |
| US5945560A | Continuous preparation of alkyl esters of (meth) acrylic acid | Chemistry; Metallurgy | 9 | Expired |
| US5883288A | Continuous preparation of alkyl esters of (meth)acrylic acid | Chemistry; Metallurgy | 8 | Expired |
| US7807603B2 | Catalyst extrudates based on copper oxide and their use for hydrogenating carbonyl compounds | Emerging Cross-Sectional Technologies | 6 | Active |
| US6300467A | Production of polytetrahydrofuran with terminal hydroxyl groups by changing the continuous and dispersed phase | Chemistry; Metallurgy | 5 | Expired |
| US6888011B2 | Porous catalyst for the hydrogenation of maleic anhydride to tetrahydrofuran | Performing Operations; Transporting | 5 | Expired |
| US6831182B2 | Method for the hydrogenation of maleic anhydride and related compounds in two serial reaction zones | Chemistry; Metallurgy | 4 | Expired |
| US7323598B2 | Preparation of xylylenediamine (XDA) | Chemistry; Metallurgy | 4 | Expired |
| US8461219B2 | Process for the selective preparation of light olefins | Emerging Cross-Sectional Technologies | 4 | Active |
| US6624315B2 | Method of gas phase catalytic oxidation to give maleic acid anhydride | Performing Operations; Transporting | 3 | Expired |
| US7271299B2 | Two-stage method for producing butanediol with intermediated separation of succinic anhydride | Chemistry; Metallurgy | 3 | Expired |
| US7368610B2 | Preparation of xylylenediamine (XDA) | Chemistry; Metallurgy | 3 | Expired |
| US7442810B2 | Method for the production of defined mixtures of THF, BDO and GBL by gas phase hydrogenation | Chemistry; Metallurgy | 3 | Expired |
| US7154011B2 | Method for the production of 1,4- butanediol | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6958404B2 | Method for the hydrogenation of maleic anhydride and related compounds in a fluid bed reactor | Chemistry; Metallurgy | 2 | Expired |
| US6730800B2 | Method for the production of tetrahydrofuran | Chemistry; Metallurgy | 2 | Expired |
| US6921830B2 | Method for purifying an organic solvent for the purposes of absorption of maleic acid anhydride | Chemistry; Metallurgy | 2 | Expired |
| US7351311B2 | Method for purifying tetrahydrofuran by distillation | Emerging Cross-Sectional Technologies | 2 | 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 |
| US8420879B2 | Process for workup of a stream comprising butene and/or butadiene | Chemistry; Metallurgy | 1 | Active |
| US7169958B2 | Method for the production of 1,4- butane-diol by combined gas-phase and liquid-phase hydrogenation | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.