Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4663859 | Method for improving strength of dry dye particles and reducing explosion hazards | Diane H. Roe | 1987-05-12 |
| 4617380 | Process for the preparation of concentrated stable liquid dye solutions of CI Direct Yellow 11 utilizing an extended surface silica filter aid during a desalting procedure | Jo A. Cleverdon | 1986-10-14 |
| 4617381 | Process for the preparation of concentrated stable liquid dye solutions of CI Direct Yellow 11 utilizing an alkanol/water solvent in a desalting procedure | Jo A. Cleverdon | 1986-10-14 |