Emisphere Technologies, Inc.
🏢 View company profile →186Patents
67Active
186Granted
48Portfolio score
Filing activity: Jul 27, 1992 → Dec 6, 2018 · 48 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5976569A | Diketopiperazine-based delivery systems | Chemistry; Metallurgy | 221 | Expired |
| US5643957A | Compounds and compositions for delivering active agents | Chemistry; Metallurgy | 185 | Expired |
| US5792451A | Oral drug delivery compositions and methods | Chemistry; Metallurgy | 184 | Expired |
| US6331318A | Carbon-substituted diketopiperazine delivery systems | Emerging Cross-Sectional Technologies | 180 | Expired |
| US5629020A | Modified amino acids for drug delivery | Chemistry; Metallurgy | 176 | Expired |
| US5693338A | Diketopiperazine-based delivery systems | Chemistry; Metallurgy | 165 | Expired |
| US5650386A | Compositions for oral delivery of active agents | Chemistry; Metallurgy | 158 | Expired |
| US5578323A | Proteinoid carriers and methods for preparation and use thereof | Emerging Cross-Sectional Technologies | 156 | Expired |
| US5451410A | Modified amino acids for encapsulating active agents | Chemistry; Metallurgy | 156 | Expired |
| US5541155A | Acids and acid salts and their use in delivery systems | Chemistry; Metallurgy | 153 | Expired |
| US5766633A | Oral drug delivery compositions and methods | Chemistry; Metallurgy | 135 | Expired |
| US5447728A | Desferrioxamine oral delivery system | Chemistry; Metallurgy | 127 | Expired |
| USRE35862E | Delivery systems for pharmacological agents encapsulated with proteinoids | General | 126 | Expired |
| US5866536A | Compounds and compositions for delivering active agents | Chemistry; Metallurgy | 123 | Expired |
| US5714167A | Active agent transport systems | Chemistry; Metallurgy | 122 | Expired |
| US6395774B1 | Carbon-substituted diketopiperazine delivery systems | Emerging Cross-Sectional Technologies | 121 | Expired |
| US5773647A | Compounds and compositions for delivering active agents | Chemistry; Metallurgy | 116 | Expired |
| US5443841A | Proteinoid microspheres and methods for preparation and use thereof | Chemistry; Metallurgy | 115 | Expired |
| US5601846A | Proteinoid microspheres and methods for preparation and use thereof | Chemistry; Metallurgy | 113 | Expired |
| US5811127A | Desferrioxamine oral delivery system | Chemistry; Metallurgy | 107 | Expired |
| US5401516A | Modified hydrolyzed vegetable protein microspheres and methods for preparation and use thereof | Human Necessities | 106 | Expired |
| US7276534B2 | Carbon-substituted diketopiperazine delivery systems | Emerging Cross-Sectional Technologies | 87 | Expired |
| US6071510A | Modified amino acids and compositions comprising the same for delivering active agents | Chemistry; Metallurgy | 83 | Expired |
| US6627228B1 | Polymeric delivery agents and delivery agents compounds | Chemistry; Metallurgy | 82 | Expired |
| US6099856A | Active agent transport systems | Chemistry; Metallurgy | 81 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.