Ash Stevens, LLC
8Patents
0Active
8Granted
25Portfolio score
Filing activity: Dec 4, 1989 → Apr 14, 2003
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6943249B2 | Methods for isolating crystalline Form I of 5-azacytidine | Chemistry; Metallurgy | 35 | Expired |
| US6887855B2 | Forms of 5-azacytidine | Chemistry; Metallurgy | 32 | Expired |
| US5296589A | Hydrogenation of 2-fluoro-9-(2,3,5-tri-o-benzyl-beta-D-arabinofuranosyl)adenine | Chemistry; Metallurgy | 3 | Expired |
| US5206351A | Process for the preparation of 2-amino (2,3,5-tri-O-benzyl-beta-D-arabinofuranosyl)adenine | Chemistry; Metallurgy | 3 | Expired |
| US5110919A | Process for the preparation of 2-amino-9-(2,3,5-tri-O-benzyl-beta-D-arabinofuranosyl) adenine and novel intermediates | Chemistry; Metallurgy | 3 | Expired |
| US6884880B2 | Process for the preparation of 9-β-anomeric nucleoside analogs | Chemistry; Metallurgy | 1 | Expired |
| US5917040A | 2-fluoro-9-trimethylsilyladenine | Chemistry; Metallurgy | 1 | Expired |
| US6989386B2 | Pharmaceutically active ornithine derivatives, ammonium salts thereof and methods of making same | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.