Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885105 | Films from PVA modified with nonhydrolyzable anionic comonomers | Chihae Yang | 1989-12-05 |
| 4828744 | Borate solution soluble polyvinyl alcohol films | Barry A. Sudbury | 1989-05-09 |
| 4801636 | Rinse soluble polymer film composition for wash additives | William L. Smith, Barry A. Sudbury | 1989-01-31 |