Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6426080 | Cosmetic preparation of active substances with high protection factor against free radicals | Leonhard Zastrow | 2002-07-30 |
| 6403062 | Perfume composition having a sun-block and tanning effect | Leonhard Zastrow | 2002-06-11 |
| 6309627 | Cosmetic compositions with agglomerated substrates | Leonhard Zastrow | 2001-10-30 |
| 6302950 | Aqueous shellac solution or dispersion | Leonhard Zastrow | 2001-10-16 |
| 6245342 | Cosmetic preparation with a peptide addition | Leonhard Zastrow, Nouha Domloge | 2001-06-12 |
| 6221372 | Cosmetic cleansing and skin care preparation containing plant and algae extracts | Leonhard Zastrow | 2001-04-24 |
| 6036969 | Process for measuring cosmetic tanning and test kit therefor | Leonhard Zastrow | 2000-03-14 |
| 5961988 | Cosmetic and dermatological preparation based on magnetically hard particles | Leonhard Zastrow, Doucet Olivier | 1999-10-05 |