Alfred Hackenberger
4Patents
2h-index
4Co-inventors
33Inventor score
Filing activity: Mar 6, 1984 → Feb 8, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4506089A | Preparation of methyl m-nitrobenzoate | Chemistry; Metallurgy | 4 | Expired |
| US4705869A | Preparation of fatty acid esters of ascorbic acid | Chemistry; Metallurgy | 3 | Expired |
| US5003049A | Dyes containing fluorotriazine and dichloropyridazone groups | Chemistry; Metallurgy | 1 | Expired |
| US4927935A | 3-cyanoquinoline derivatives | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.