Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458193 | Washable coloring compositions | — | 2002-10-01 |
| 6372031 | Washable coloring compositions comprising low molecular-weight styrene-maleic anhydride copolymers | Michael A. Valenti | 2002-04-16 |
| 6352584 | Washable coloring compositions comprising low molecular-weight styrene-maleic anhydride copolymers | Michael A. Valenti | 2002-03-05 |
| 6342641 | Purified bisphenol a ethoxylates and processes of purifying thereof | Ricky Lee Ritz | 2002-01-29 |