Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853143 | Bleach activator compositions containing an antioxidant | Frederick E. Hardy, Frank Cselik, Kenneth Young, Gerald Scott | 1989-08-01 |
AP
Alastair J. Pretty
Overall (1989): #133,047 of 140,708Top 95%
1
Patents 1989