Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6166128 | Color reduction of polymethylene poly (phenylisocyanates) | Rick L. Adkins, Jeffrey Bolton, Kirk J. Bourgeois, Mark R. Kratz, Brian H. Peterson +2 more | 2000-12-26 |
| 6127463 | Polymeric MDI color reduction | Rick L. Adkins | 2000-10-03 |
| 5962541 | Isocyanate-terminated prepolymers and rigid-foams produced therefrom | Brian H. Peterson, Frank C. Rossitto, William J. Nicola | 1999-10-05 |
| 5942151 | Polymeric MDI color | Rick L. Adkins | 1999-08-24 |
| 5889070 | Process for preparing polyamines and polysocyanates | Steven L. Schilling, Ricky L. Adkins | 1999-03-30 |
| 5484819 | Process for preparing polyamines for lighter color polyisocyanate based foam | Jeffrey Bolton, Ramon Kalyanaraman, Steven L. Schilling | 1996-01-16 |
| 5386059 | Process for preparing polyamines for lighter color polyisocyanate based foam | Jeffrey Bolton, Ramon Kalyanaraman, Steven L. Schilling | 1995-01-31 |
| 5312971 | Color reduction of polymethylene polyphenyl polyisocyanates | Rick L. Adkins | 1994-05-17 |
| 5043473 | Liquid isocyanate prepolymers | William E. Slack | 1991-08-27 |