Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6296840 | Masque | Kathryn P. Rodan, Kathy A. Fields, Kenneth Klein | 2001-10-02 |
| 5998392 | Benzoyl peroxide flocculent materials and methods of their preparation | Veronique Simard, Kenneth Paul Klein | 1999-12-07 |
| 4831023 | Water washable vehicles for topical use | Vivek Desai | 1989-05-16 |
| 4707354 | Mature skin treatment and protectant compositions and methods of using same | Hilde R. Koehn, Peter W. Koehn, J. D. McColl | 1987-11-17 |
| 4381920 | Method and composition for dyeing human hair | — | 1983-05-03 |