Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6114580 | N-arylsulfilimine compounds and their use as catalysts in the preparation of N-arylarylsulfonamide compounds | James W. Ringer, Douglas L. Pearson, Carmen A. Scott | 2000-09-05 |
| 5973148 | N-arylsulfilimine compounds and their use as catalysts in the preparation of N-arylarylsulfonamide compounds | James W. Ringer, Carmen A. Scott, Douglas L. Pearson | 1999-10-26 |
| 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 |