Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885356 | High molecular weight poly(toluenediamine aramide) and a method for their preparation | Roland Libers | 1989-12-05 |
| 4831146 | Process for preparing triacetone amine and other oxopiperidines | Denise B. Taylor | 1989-05-16 |
| 4816543 | Polyurethane system using monotertiary-alkyltoluenediamine as a cross linker | William F. Burgoyne, Jr., Jeremiah P. Casey, Dale D. Dixon | 1989-03-28 |
| 4810769 | Process of preparing polyurethanes cured with 2,6-idaminobenzoic acid derivatives and blends of the 2, 4 and 2,6 isomers | Jeremiah P. Casey, Susan M. Clift | 1989-03-07 |