Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6558879 | Photoresist stripper/cleaner compositions containing aromatic acid inhibitors | Darryl Peters | 2003-05-06 | $5,326,000 |
| 5997658 | Aqueous stripping and cleaning compositions | Darryl Peters, Irl E. Ward, Francis W. Michelotti | 1999-12-07 | $14,466,000 |
| 5788946 | Purification of hydroxylamine | Frank Michelotti | 1998-08-04 | $20,102,000 |