SPIROGEN LIMITED
17Patents
3Active
17Granted
37Portfolio score
Filing activity: Aug 27, 1999 → Feb 13, 2009 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7049311B1 | Pyrrolbenzodiazepines | Human Necessities | 185 | Expired |
| US7557099B2 | Pyrrolobenzodiazepines as key intermediates in the synthesis of dimeric cytotoxic pyrrolobenzodiazepines | Emerging Cross-Sectional Technologies | 152 | Expired |
| US7067511B2 | Pyrrolobenzodiazepines | Human Necessities | 136 | Expired |
| US7407951B2 | Pyrrolobenzodiazepines | Human Necessities | 136 | Expired |
| US7528126B2 | Pyrrolobenzodiazepines | Emerging Cross-Sectional Technologies | 135 | Expired |
| US7741319B2 | 11-hydroxy-5h-pyrrolo[2,1-c][1,4] benzodiazepin-5-one derivatives as key intermediates for the preparation of c2 substituted pyrrolobenzodiazepines | Emerging Cross-Sectional Technologies | 132 | Expired |
| US7429658B2 | Synthesis of protected pyrrolobenzodiazepines | Chemistry; Metallurgy | 123 | Expired |
| US6562806B1 | Pyrrolobenzodiazepines | Emerging Cross-Sectional Technologies | 121 | Expired |
| US6608192B1 | Collections of compounds | Emerging Cross-Sectional Technologies | 111 | Expired |
| US7265105B2 | Pyrrolobenzodiazepines | Human Necessities | 111 | Expired |
| US7612062B2 | Pyrrolobenzodiazepines | Human Necessities | 110 | Active |
| US7704924B2 | Library of compounds comprising pyrrolobenzodiazepine moieties | Emerging Cross-Sectional Technologies | 99 | Active |
| US6747144B1 | Collections of compounds | Human Necessities | 90 | Expired |
| US7244724B2 | Pyrrolobenzodiazepines | Human Necessities | 89 | Expired |
| US6909006B1 | Cyclopropylindole derivatives | Emerging Cross-Sectional Technologies | 83 | Expired |
| US7511032B2 | Pyrrolobenzodiazepine derivatives, compositions comprising the same and methods related thereto | Human Necessities | 70 | Expired |
| US7834005B2 | Pyrrolobenzodiazepine derivatives, compositions comprising the same and methods related thereto | Human Necessities | 8 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.