Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6872415 | Sugar-free pharmaceutical products | Ingrid Willibald-Ettle | 2005-03-29 |
| 6855361 | Sugar-free products with improved characteristics | Ingrid Willibald-Ettle | 2005-02-15 |
| 6783779 | Food products coated with 1, 6-GPS and 1, 1-GPM | Ingrid Willibald-Ettle | 2004-08-31 |
| 6562392 | Hard caramel product | Ingrid Willibald-Ettle | 2003-05-13 |
| 6555146 | Sugar-free foodstuff products | Ingrid Willibald-Ettle | 2003-04-29 |
| 6548095 | Sugar-free compressed products | Ingrid Willibald-Ettle | 2003-04-15 |
| 6458400 | Hard confections containing a sweetener | Ingrid Willibald-Ettle, Hanspeter Degelmann, Jorg Kowalczyk, Markwart Kunz, Mohammad Munir | 2002-10-01 |
| 6224904 | Tablets containing a sweetening mixture | Ingrid Willibald-Ettle | 2001-05-01 |
| 6180143 | Chewing gum containing 1,1-GPS sweetener and process of preparing | Ingrid Willibald-Ettle | 2001-01-30 |
| 6139864 | Compositions for common colds | Tillmann Durr, Bodo Fritzsching, Michael Klingeberg, Jorg Kowalczyk, Gunhild Kozianowski +2 more | 2000-10-31 |
| 5550227 | Method for the preparation of rhamnose monohydrate from rhamnolipids | Johann Mixich, Manfred Vogel | 1996-08-27 |
| 5344974 | Process for the preparation of N-acyl derivatives of 5-aminolevulinic acid, as well as the hydrochloride of the free acid | Gerand Descotes, Louis Cottier, Laurent Eymard | 1994-09-06 |
| 5252757 | Dicyanoazulenyl and dicyanovinyl substituted furan | Jorg Daub, Petra Seitz, Rainer Wild, Josef Salbeck | 1993-10-12 |
| 5091538 | Dicyanovinylsubstituted furan derivatives | Jorg Daub, Petra Seitz, Rainer Wild, Josef Salbeck | 1992-02-25 |
| 5023330 | Process for preparing 1,6-.beta.-D-anhydroglucopyranose (levoglucosan) in high purity | Michael Gander, Hubert Schiweck | 1991-06-11 |
| 4977283 | Process for the oxidation of 5-hydroxymethylfurfural | Ernst I. Leupold, Matthias Wiesner, Merten Schlingmann | 1990-12-11 |
| 4740605 | Process for preparing pure 5-hydroxymethylfurfuraldehyde | — | 1988-04-26 |