Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4677116 | Antihypertensive chroman derivatives | — | 1987-06-30 |
| 4647670 | Trans-3,4-dihydro-2,2-dimethyl-6-nitro-4-(2-oxo-pyrrolidinyl)2H-1-ben zopyran-3-ol | Robin Buckingham, Kenneth Willcocks | 1987-03-03 |
| 4644070 | Chroman-3-ol compounds | Robin Buckingham, Kenneth Willcocks | 1987-02-17 |
| 4616021 | Chroman derivatives | Valerie A. Ashwood | 1986-10-07 |
| 4610992 | Trans-4-(2-thiaoxo-1-pyrrolidinyl or piperidinyl)-2H-benzo[b]pyran-3-ol derivatives useful in treating hypertension | Robin Buckingham, Kenneth Willcocks | 1986-09-09 |
| 4575511 | Anti-hypertensive chromanol derivatives | Frederick Cassidy | 1986-03-11 |
| 4571406 | Anti-hypertensive chromans and chromenes | Frederick Cassidy | 1986-02-18 |
| 4568692 | Benzopyrans useful for treating hypertension | — | 1986-02-04 |
| 4555509 | Anti-hypertensive benzo[b]pyran-3-ols | Robin Buckingham, Kenneth Willcocks | 1985-11-26 |
| 4542149 | 4-Amino-benzo[b]pyran-3-ol derivatives | Robin Buckingham, Kenneth Willcocks | 1985-09-17 |
| 4496565 | Chromans and chromenes, compositions and hypertensive method | Valerie A. Ashwood | 1985-01-29 |
| 4481213 | 4-Haloalkylamino substituted chromanol useful as antihypertensive agent | — | 1984-11-06 |
| 4481214 | 4-Acylaminobenzopyrans useful as anti-hypertensive agents | — | 1984-11-06 |
| 4446113 | Benzopyrans | Robin Buckingham, Kenneth Willcocks | 1984-05-01 |
| 4391815 | Cyanobenzano[b]pyrans | — | 1983-07-05 |
| 4366163 | Anti-hypertensive chromanol derivatives | Graham Andrew Showell, Charles S. Fake | 1982-12-28 |
| 4363811 | Anti-hypertensive chromanol derivatives | Graham Andrew Showell, Charles S. Fake | 1982-12-14 |
| 4327099 | Pyrano derivatives, a process for their preparation and their use | Roger E. Markwell | 1982-04-27 |
| 4251537 | Hypotensive 3,4-dihydro-2,2-dimethyl-4-amino-2H-benzo[b]pyran-3-ols | — | 1981-02-17 |