Issued Patents 1989
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889859 | Pyrido[2,3-d]pyrimidine derivatives | Chuan Shih | 1989-12-26 |
| 4883799 | N-(4-(1-hydroxy-3-(5 ,6,7,8-tetrahydropyrido(2,3,-d)-pyrimidin-6-yl)prop-2-yl)benzoyl)glutamic acid derivatives | Cheol-min Yoon | 1989-11-28 |
| 4882333 | N-(5,6,7,8-tetrahydropyrido[2,3-d]pyrimidin-6-yl-alkanoyl)-glutamic acid derivatives | Chuan Shih | 1989-11-21 |
| 4882334 | N-(5,6,7,8-tetrahydropyrido]2,3-d]pyrimidin-6-ylethl-thineyl-and furylcarbonyl)-glutamic acid derivatives | Chuan Shih | 1989-11-21 |
| 4871746 | N-[N-(tetrahydropyrido[2,3-D]pyrimidinylmethyl)-aminomethylbenzo yl]glutamic acid derivatives as neoplastic growth inhibitors | James Marino Hamby, Chuan Shih | 1989-10-03 |
| 4871743 | L-glutamic acid derivatives | Philip M. Harrington, Chuan Shih | 1989-10-03 |
| 4845216 | Pyrido [2,3,d]pyrimidine derivatives | George P. Beardsley, Peter J. Harrington, Stephen Robert Fletcher | 1989-07-04 |
| 4833145 | 4(3H)-oxo-5,6,7,8-tetrahydropyrido[2,3-d]pyrimidine derivatives | George P. Beardsley, Chuan Shih | 1989-05-23 |
| 4831037 | 4 (3H)-oxo-5,6,7,8-tetrahydropyrido-(2,3-d)pyrimidine derivatives | George P. Beardsley, James Marino Hamby | 1989-05-16 |
| 4818819 | Process for the preparation of fused pyridine compounds | George S. K. Wong | 1989-04-04 |