Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5011895 | Precipitation polymerization of copolymers of a vinyl lactam and a polymerizable carboxylic acid using sub-surface feeding | Jenn S. Shih, Terry E. Smith, John Zamora | 1991-04-30 |