Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6673970 | Process for preparing methylene diphenylamines by partial neutralization of acidic methylene diphenylamines | Louis Renbaum, William D. Tippins | 2004-01-06 |
| 6031136 | Process for preparing methylene diphenylamines by partial neutralization of acidic methylene diphenylamines | Louis Renbaum, William D. Tippins | 2000-02-29 |
| 5169989 | Foam slabstock polyether polyols with improved scorch characteristics | Alfred L. Peterson, Kenneth E. Reed, Edward P. Squiller | 1992-12-08 |