Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5965594 | Antimicrobial liquid preservative solutions and process for preparation | Richard J. Otterson, Dennis Abbeduto | 1999-10-12 |
| 5616722 | Antimicrobial solution of formaldehyde substituted hydantoin and process for preparation | Richard J. Otterson, Darrell J. Zehner | 1997-04-01 |
| 5037843 | Antimicrobial preservative system and method comprising a formaldehyde substituted hydantoin | — | 1991-08-06 |