Elke Langkopf
71Patents
32h-index
52Co-inventors
91Inventor score
Filing activity: Feb 24, 2000 → Feb 11, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7495002B2 | 3-methyl-7-butinyl-xanthines, the preparation thereof and their use as pharmaceutical compositions | Human Necessities | 120 | Active |
| US7407955B2 | 8-[3-amino-piperidin-1-yl]-xanthines, the preparation thereof and their use as pharmaceutical compositions | Chemistry; Metallurgy | 120 | Expired |
| US7217711B2 | Piperazin-1-yl and 2-([1,4]diazepan-1-yl)-imidazo[4,5-d]-pyridazin-4-ones, the preparation thereof and their use as pharmaceutical compositions | Human Necessities | 101 | Expired |
| US8119648B2 | 8-[3-amino-piperidin-1-yl]-xanthines, the preparation thereof and their use as pharmaceutical compositions | Chemistry; Metallurgy | 97 | Active |
| US8178541B2 | 8-[3-amino-piperidin-1-yl]-xanthines, the preparation thereof and their use as pharmaceutical compositions | Chemistry; Metallurgy | 96 | Active |
| US7109192B2 | Substituted imidazo-pyridinones and imidazo-pyridazinones, the preparation thereof and their use as pharmaceutical compositions | Chemistry; Metallurgy | 93 | Expired |
| US7183280B2 | Bicyclic imidazole derivatives, the preparation thereof and their use as pharmaceutical compositions | Chemistry; Metallurgy | 84 | Expired |
| US7501426B2 | 8-[3-amino-piperidin-1-yl]-xanthines, their preparation and their use as pharmaceutical compositions | Human Necessities | 84 | Expired |
| US7179809B2 | 2-Amino-imidazo[4,5-d]pyridazin-4-ones, their preparation and their use as pharmaceutical compositions | Chemistry; Metallurgy | 84 | Expired |
| US7550455B2 | 8-(piperazin-1yl)- and 8-([1,4]diazepan-1yl)-xanthines, the preparation thereof and their use as pharmaceutical composition | Chemistry; Metallurgy | 79 | Expired |
| US7482337B2 | Xanthine derivatives, the preparation thereof and their use as pharmaceutical compositions | Human Necessities | 79 | Expired |
| US7645763B2 | 8-[3-amino-piperidin-1-yl]-xanthines, their preparation and their use as pharmaceutical composition | Human Necessities | 77 | Active |
| US7470716B2 | Imidazoles and triazoles, their preparation, and their use as pharmaceutical compositions | Chemistry; Metallurgy | 64 | Active |
| US7495003B2 | 8-(3-amino-piperidin-1-yl)-7-(but-2-ynyl)-xanthines, the preparation thereof and their use as pharmaceutical compositions | Chemistry; Metallurgy | 64 | Active |
| US7393847B2 | Imidazopyridazinediones, their preparation and their use as pharmaceutical compositions | Chemistry; Metallurgy | 64 | Expired |
| US7566707B2 | Imidazopyridazinone and imidazopyridone derivatives, the preparation thereof and their use as pharmaceutical compositions | Chemistry; Metallurgy | 63 | Expired |
| US7560450B2 | Xanthine derivatives, the preparation thereof and their use as pharmaceutical compositions | Chemistry; Metallurgy | 63 | Expired |
| US7476671B2 | 2-amino-imidazo[4,5-d]pyridazin-4-ones, their preparation and their use as pharmaceutical compositions | Chemistry; Metallurgy | 63 | Active |
| US7495005B2 | Xanthine derivatives, their preparation and their use in pharmaceutical compositions | Chemistry; Metallurgy | 63 | Expired |
| US7432262B2 | Imidazopyridazinediones, their preparation and their use as pharmaceutical compositions | Chemistry; Metallurgy | 63 | Active |
| US7569574B2 | Purine derivatives, the preparation thereof and their use as pharmaceutical compositions | Human Necessities | 63 | Expired |
| US6627634B2 | Bicyclic heterocycles, pharmaceutical compositions containing them, their use, and processes for preparing them | Chemistry; Metallurgy | 61 | Expired |
| US6740651B2 | Aminoquinazolines which inhibit signal transduction mediated by tyrosine kinases | Human Necessities | 53 | Expired |
| US7838529B2 | Xanthine derivates, their preparation and their use in pharmaceutical compositions | Chemistry; Metallurgy | 52 | Active |
| US8211923B2 | Substituted arylsulfonylaminomethylphosphonic acid derivatives, their preparation and their use in the treatment of type I and II diabetes mellitus | Chemistry; Metallurgy | 50 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.