Ulrich Block
5Patents
2h-index
12Co-inventors
48Inventor score
Filing activity: Mar 18, 1980 → Aug 6, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4326073A | Production of anhydrous or substantially anhydrous formic acid | Chemistry; Metallurgy | 21 | Expired |
| US4675420A | Generation of reduced pressure in apparatuses in the preparation of phthalic anhydride and maleic anhydride | Chemistry; Metallurgy | 8 | Expired |
| US6720447B1 | Method for the production of esters | Chemistry; Metallurgy | 2 | Expired |
| US4662898A | Increasing the temperature of the exit gas from the exit gas washer in the preparation of phthalic anhydride | Chemistry; Metallurgy | 0 | Expired |
| US11755591B2 | Metadata object identifier registry | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.