Reinhard Spengler
12Patents
9h-index
17Co-inventors
69Inventor score
Filing activity: Apr 6, 1987 → Sep 22, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4801460A | Preparation of solid pharmaceutical forms | Performing Operations; Transporting | 145 | Expired |
| US5552159A | Solid depot drug form | Human Necessities | 78 | Expired |
| US6669879B1 | Method for producing solid dosing forms | Human Necessities | 23 | Expired |
| US4950654A | Hydrophilic theophylline powder formulation and its preparation | Human Necessities | 22 | Expired |
| USD626214S1 | Tablet | General | 19 | Expired |
| US4935245A | Pulverulent, water-dispersible preparation of a sparingly water-soluble pharmaceutical active compound and its preparation | Human Necessities | 17 | Expired |
| US5118511A | Aqueous or pulverulent, water-dispersible preparation of a sparingly water-soluble pharmaceutical active compound and its preparation | Human Necessities | 16 | Expired |
| USD641864S1 | Tablet | General | 14 | Expired |
| USD641863S1 | Tablet | General | 14 | Expired |
| US5420137A | Amonafide salts | Chemistry; Metallurgy | 9 | Expired |
| US6692765B1 | Exactly divisible tablet | Human Necessities | 8 | Expired |
| US5693340A | Delayed-release form for pharmaceutical active compounds | Human Necessities | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.