Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822510 | Stably suspended 4,4'-sulfonylbisperoxybenzoic acid bleach in an aqueous liquid | Leonora Ilardi, Patricia Liberati, Joshua Schwarz | 1989-04-18 |
| 4818426 | Quaternary ammonium or phosphonium substituted peroxy carbonic acid precursors and their use in detergent bleach compositions | Robert W. R. Humphreys | 1989-04-04 |