Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7597899 | Compositions comprising a combination of a free sphingoid base and ceramide and uses thereof | — | 2009-10-06 |
| 6147118 | Antimicrobial compositions for topical use | Hugo Streekstra | 2000-11-14 |
| 6117433 | Use of compositions comprising stabilized biologically effective compounds | Luppo Edens, Hong Sheng Tan | 2000-09-12 |
| 6054599 | Phytosphingosine-based ceramide I analogs | Pieter Gijsbert Weber, Hein S. Koger, Jan Verweij | 2000-04-25 |
| 6001375 | Topical application of ceramides | Ernst-Ludwig Roehl | 1999-12-14 |
| 5919960 | Phytosphingosine-based ceramide I analogs | Pieter Gijsbert Weber, Hein S. Koger, Jan Verweij | 1999-07-06 |
| 5840940 | Linoleoylamide based ceramide derivative and its use in cosmetic preparations for the treatment of dry skin | Robertus Mattheus De Pater, Hein S. Koger, Jan Verweij | 1998-11-24 |
| 5792794 | Retinoylamide based derivatives of sphingoid bases | Jan Verweij | 1998-08-11 |
| 5693677 | Ceramide 3 derivatives based on monounsaturated fatty acids | Jan Verweij | 1997-12-02 |
| 5610040 | Enzymatic synthesis of ceramides and hybrid ceramides | Jan W. H. Smeets, Robertus Mattheus De Pater | 1997-03-11 |