Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5296228 | Compositions for controlled delivery of pharmaceutical compounds | Kenneth J. Himmelstein | 1994-03-22 |
| 5292517 | pH sensitive, reversible gelling, copolymeric erodible drug delivery system | — | 1994-03-08 |
| 5275820 | Stable suspension formulations of bioerodible polymer matrix microparticles incorporating drug loaded ion exchange resin particles | — | 1994-01-04 |
| 5066414 | Stable biodegradable fabric softening compositions containing linear alkoxylated alcohols | — | 1991-11-19 |
| 4789491 | Method for preparing biodegradable fabric softening compositions | Darlene R. Walley | 1988-12-06 |