Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846846 | Process for preparing polyurethane resins colored with anthraquinone colorants and products produced thereby | John W. Rekers | 1989-07-11 |
| 4846996 | Liquid, non-crystallizing two mole diphenol alkoxylate mixtures | Clifford C. Carroll, Richard A. Van Dahm | 1989-07-11 |