Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5563269 | 2-alkoxy-4-hydrazinopyrimidine compounds and their use in the preparation of 5-alkoxy-1,2,4-triazolo(4,3-C)-pyrimidine-3 (2H)-thione compounds | Jon A. Orvik | 1996-10-08 |
| 5552546 | Process for the preparation of 2-ethoxy-4,6-dihydroxypyrimidine | Douglas L. Pearson, Jon A. Orvik, Gary Roth, Carmen A. Scott, Ron B. Leng | 1996-09-03 |
| 5488109 | 5-alkoxy[1,2,4]triazolo[1,5-c]pyrimidine-2(3H)--thione compounds and their use in the preparation of and 2-chlorosulfonyl-5-alkoxy[1,2,4]triazolo[1,5-c]-pyrimidine compounds | Thomas A. Olmstead, Michael A. Gonzalez, Jon A. Orvik, Douglas L. Pearson, James W. Ringer +2 more | 1996-01-30 |
| 5480991 | 2-Alkoxy-4-hydroazinopyrimidine compounds and their use in the preparation of 5-alkoxy-1,2,4-triazolo[4,3-c]pyrimidine-3(2H)-thione compounds | Jon A. Orvik | 1996-01-02 |
| 5461153 | 2-alkoxy-4-hydrazinopyrimidine compounds | Jon A. Orvik | 1995-10-24 |