Werner Belzer
6Patents
2h-index
8Co-inventors
36Inventor score
Filing activity: Mar 12, 2002 → Jan 5, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7491824B2 | Method for preparing tiotropium salts | Chemistry; Metallurgy | 3 | Active |
| US6770762B2 | Process for preparing and purifying 1,7′-dimethyl-2′-propyl-2,5′-bi-1H-benzimidazole | Chemistry; Metallurgy | 2 | Expired |
| US6849734B2 | Intermediates useful for preparing 4,6-diaminopyrido[5,4-d]pyrimidines | Chemistry; Metallurgy | 1 | Expired |
| US6680384B2 | Process for preparing 4,6-diaminopyrimido[5,4-d]pyrimidines | Chemistry; Metallurgy | 1 | Expired |
| US8008495B2 | Method for preparing tiotropium salts | Chemistry; Metallurgy | 0 | Active |
| US6884886B2 | Process for preparing 6-aryl-4H-S-triazolo[3,4-c]-thieno[2,3-e]-1,4-diazepines | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.