Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5457023 | Non-ionic surface active compounds | Ian M. Newington, Alan R. Pitt | 1995-10-10 |
| 4892806 | Non-ionic surface active compounds and photographic materials containing them | Alan R. Pitt | 1990-01-09 |