Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5874547 | Diazotization of amines | John W. Larsen, Tracey McCracken, Lee A. Schaeffer | 1999-02-23 |
| 4840643 | Trichromatic combination of dyes for nylon | — | 1989-06-20 |
| 4749784 | Alkanol substituted disazo orange dye for nylon | James F. Feeman | 1988-06-07 |
| 4654045 | Process for preparation of concentrated anionic red dye solutions | — | 1987-03-31 |
| 4579561 | Process for trichromatic dyeing polyamide fibers | James F. Feeman | 1986-04-01 |