Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6077653 | Photographic developing compositions and methods of using 1,4-cyclohexanediones as antioxidants | Tiecheng Qiao | 2000-06-20 |
| 6028225 | Method of making hydroxy-substituted hydroxylamines and color developers containing same | — | 2000-02-22 |
| 5660974 | Color developer containing hydroxylamine antioxidants | Carl A. Marrese, Sucheta Tandon, Robert James Perry | 1997-08-26 |
| 5646327 | Method for preparing hydroxylamines using vinylic compounds without base neutralization and reaction mixture produced thereby | Elizabeth G. Burns, Gary S. Proehl, Lee H. Latimer | 1997-07-08 |
| 5238889 | Process for the separation of oligomeric materials from a catalyst mixture | Stephen N. Falling, Stephen A. Godleski | 1993-08-24 |
| 5082956 | Isomerization of epoxyalkenes to 2,5-dihydrofurans | John R. Monnier, Stephen A. Godleski, Howard M. Low, Laughlin G. McCullough, Gerald W. Phillips | 1992-01-21 |