Joanne Heafield
8Patents
8h-index
10Co-inventors
62Inventor score
Filing activity: Mar 1, 1988 → Aug 9, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5849240A | Method of preparing sustained release pharmaceutical compositions | Human Necessities | 316 | Expired |
| US5965163A | Substained release compositions and a method of preparing pharmaceutical compositions | Human Necessities | 256 | Expired |
| US5879705A | Sustained release compositions of morphine and a method of preparing pharmaceutical compositions | Human Necessities | 247 | Expired |
| US5891471A | Pharmaceutical multiparticulates | Human Necessities | 241 | Expired |
| US6162467A | Sustained release compositions and a method of preparing pharmaceutical compositions | Human Necessities | 218 | Expired |
| US4867985A | Spheroids | Human Necessities | 124 | Expired |
| US6143328A | Sustained release compositions and a method of preparing pharmaceutical compositions | Human Necessities | 96 | Expired |
| US5091189A | Controlled release dosage forms having a defined water content | Human Necessities | 71 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.