Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4730027 | Method of making styrene-type polymer comprising suspension polymerization conducted in aqueous medium containing combination of polyvinyl alcohol and sulfonated polystyrene or sulfonated styrene-maleic anhydride copolymer | James E. Millington | 1988-03-08 |
| 4271281 | Process for preparing styrenic polymer particles | Donald J. Kelley, David J. Williams | 1981-06-02 |