Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5350424 | Dyestuff composition for the gradual dyeing of hair by atmospheric oxidation and process using the same | — | 1994-09-27 |
| 4832947 | Process of incorporating essential oils into hair fibers and permanent waving process and compositions therefor | Prakash C. Purohit | 1989-05-23 |
| 4767617 | Opacifying composition and hair treating composition with process of using same | Prakash C. Purohit | 1988-08-30 |