Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4503191 | Backsizing compositions for textile materials and method of backsizing textiles therewith | — | 1985-03-05 |
| 4496364 | Method of dyeing voluminous substrates with anionic dyes | — | 1985-01-29 |
| 4410330 | Method of producing multi-colored dyeings | Rudolf Sommerhalder | 1983-10-18 |