Thomas E. D'Ambra
42Patents
12h-index
32Co-inventors
81Inventor score
Filing activity: Feb 11, 1987 → Jun 27, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6013648A | CB.sub.2 Receptor agonist compounds | Human Necessities | 55 | Expired |
| US5581011A | Aromatic ketones and processes for their preparation | Chemistry; Metallurgy | 47 | Expired |
| US5578610A | Piperidine derivatives | Chemistry; Metallurgy | 29 | Expired |
| US5068234A | 3-arylcarbonyl-1-(C-attached-N-heteryl)-1H-indoles | Chemistry; Metallurgy | 28 | Expired |
| US5324737A | 3-arylcarbonyl-1-(C-attached-N-heteryl)-1H-indoles | Chemistry; Metallurgy | 26 | Expired |
| US5693847A | Heteroatom functionalized .alpha.-methyl ketones | Chemistry; Metallurgy | 25 | Expired |
| US5750703A | Piperidine derivatives and process for their production | Chemistry; Metallurgy | 25 | Expired |
| US5817651A | 3-arylcarbonyl-1-(C-attached-N-heteryl)-1H-indoles | Chemistry; Metallurgy | 23 | Expired |
| US5607933A | 3-arylcarbonyl-1(C-attached-N-heteryl)-1H-indoles | Chemistry; Metallurgy | 22 | Expired |
| US5589487A | Piperidine derivatives and process for their production | Chemistry; Metallurgy | 15 | Expired |
| US5066803A | 2- and 3-aminomethyl-6-arylcarbonyl-2,3-dihydropyrrolo[1,2,3-de]-1,4-benzoxazin es | Chemistry; Metallurgy | 14 | Expired |
| US5504253A | Amine preparation | Chemistry; Metallurgy | 13 | Expired |
| US5109135A | 2- or 3-aminomethyl-4-amino-3,4-dihydro-2H-1,4-benzoxazine intermediates | Chemistry; Metallurgy | 10 | Expired |
| US5994549A | Piperidine derivatives and process for their production | Chemistry; Metallurgy | 9 | Expired |
| US6153754A | Process for production of piperidine derivatives | Chemistry; Metallurgy | 9 | Expired |
| US5663412A | Aromatic ketones | Chemistry; Metallurgy | 8 | Expired |
| US6201124A | Process for production of piperidine derivatives | Chemistry; Metallurgy | 8 | Expired |
| US4939138A | 2- and 3-aminomethyl-6-arylcarbonyl-2,3-dihydropyrrolo(1,2,3-DE)-1,4-benzoxazin es | Chemistry; Metallurgy | 7 | Expired |
| US6458958B1 | Process for production of piperidine derivatives | Chemistry; Metallurgy | 6 | Expired |
| US6448406B1 | Process for production of piperidine derivatives | Chemistry; Metallurgy | 5 | Expired |
| US6444824B1 | Process for production of piperidine derivatives | Chemistry; Metallurgy | 5 | Expired |
| US6452011B1 | Process for production of piperidine derivatives | Chemistry; Metallurgy | 4 | Expired |
| US6919458B2 | Process for production of piperidine derivatives | Chemistry; Metallurgy | 4 | Expired |
| US6797826B2 | Piperidine derivatives and process for their production | Chemistry; Metallurgy | 4 | Expired |
| US6974872B2 | Process for production of piperidine derivatives | Chemistry; Metallurgy | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.