Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4452606 | Compositions useful for improving the fastness of dyeings on cellulosic substrates: precondensates of N-methylol compound with polyalkylene polyamine-epihalohydrin product | Salvatore Valenti | 1984-06-05 |