Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821302 | Permanent coloring of hair using carbonate salts and bicarbonate salts and using percarbamic acid precursors | Stephen A. Madison, John Brian Bartolone | 2004-11-23 |
| 6695888 | Transition metal complexes as dye forming catalysts in hair coloring compositions | John Brian Bartolone, Stephen A. Madison | 2004-02-24 |