Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8057786 | Cosmetic and dermatological compositions in particular for the treatment of keratin containing substrates | Kurt A. Dieker, Jan Jänichen, Wilfried Petersen, Manuela Salmina-Petersen, Jessica Scholze | 2011-11-15 |
| 7416722 | Concentrated, aqueous solutions of p-methoxybenzoic acid for use in cosmetic and dermatologic formulations | Udo Straetmans, Jan Jänichen, Wilfried Petersen, Christopher H. Johnson, Garrett Reynolds | 2008-08-26 |