Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886518 | Dyeing cellulose fibres without incurring ending with colorless pyrimidine, triazine, aromatic, furfuryl or quinolinyl compound | — | 1989-12-12 |
| 4877413 | Process for the end-to-end dyeing of cellulosic fibres | Peter Scheibli | 1989-10-31 |