Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4421826 | Polyurethane polymer amine salt as a dyeing aid, particularly for polyolefin fibers | Irving E. Isgur | 1983-12-20 |
| 4338460 | Process for preparing chelating agents | Roger R. Gaudette, Patricia Scanlon | 1982-07-06 |
| 4225502 | N,N'Di(hydroxybenzyl) 1,3-propanediamine N,N'-diacetonitriles | Roger R. Gaudette, Patricia Scanlon | 1980-09-30 |