Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4478682 | Sizing method and sizing composition for use therein | David H. Dumas | 1984-10-23 |
| 4419500 | Process for producing quaternary ammonium polyamino ureylene containing halohydrin functionality | — | 1983-12-06 |
| 4419498 | Process for producing quaternary ammonium amino polyamide containing halohydrin functionality | — | 1983-12-06 |
| 4407994 | Aqueous sizing composition comprising ketene dimer and epihalohydrin/polyamino polyamide/bis(hexamethylene)triamine reaction product | David H. Dumas | 1983-10-04 |
| 4383077 | Dicyandiamide-formaldehyde condensates modified with urea and process for preparing the same | — | 1983-05-10 |
| 4382129 | Dicyandiamide-formaldehyde condensates modified with acrylamide and process for preparing the same | — | 1983-05-03 |
| 4380603 | Epihalohydrin modified dicyandiamide-formaldehyde condensates and process for preparing the same | — | 1983-04-19 |
| 4354006 | Process for producing quaternary ammonium compounds containing halohydrin functionality | — | 1982-10-12 |