Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6048520 | Clear leave-on hair treatment composition and method | — | 2000-04-11 |
| 5254336 | Method of increasing hair shine and repairing alkaline-damaged hair | Chaitanya Patel | 1993-10-19 |
| 5137715 | Hair shampoo-conditioner composition | William J. Brown | 1992-08-11 |
| 4960588 | Hair treatment compositions to impart durable hair set retention properties | Eugene Zeffren | 1990-10-02 |
| 4764174 | Nitrophenylenediamine dye composition having improved deposition on human hair and wool | — | 1988-08-16 |
| 4678475 | Dye-conditioner composition that is non-staining to skin containing a certified violet dye and a quaternary ammonium compound | Chaitanya Patel | 1987-07-07 |