Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5342968 | Process for producing sulfonylbis (phthalic anhydride) | Stephen P. Brugge, Juergen K. Holzhauer | 1994-08-30 | $41,280,000 |
| 4657883 | Ester-modified olefin polymerization catalyst | Gregory G. Arzoumanidis, Sam S. Lee, Linda Ornellas | 1987-04-14 | $27,631,000 |