Issued Patents All Time
Showing 76–90 of 90 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5047228 | Nonionic 5-C-substituted 2,4,6-triiodoisophthalic acid derivatives | Heinz Gries, Heinrich Pfeiffer, Wolfgang Mutzel | 1991-09-10 |
| 5021236 | Method of enhancing NMR imaging using chelated paramagnetic ions bound to biomolecules | Heinz Gries, Douwe Rosenberg, Hanns-Joachim Weinmann, Wolfgang Mutzel, Georg-Alexander Hoyer +1 more | 1991-06-04 |
| 5010061 | Guar flour | Panayiotis Roumeliotis | 1991-04-23 |
| 5004835 | Substituted dicarboxylic acid-bis(3,5-dicarbamoyl-2,4,6-triiodoanilides), process for their production as well as X-ray contrast media containing them | Peter Blaszkiewicz | 1991-04-02 |
| 4963344 | Method to enhance NMR imaging using chelated paramagnetic ions | Heinz Gries, Douwe Rosenberg, Hanns-Joachim Weinmann, Wolfgang Mutzel, Georg-Alexander Hayden +1 more | 1990-10-16 |
| 4870061 | Use of N-acetylglucosamine for the therapy of degenerative joint disease and related diseases | — | 1989-09-26 |
| 4547357 | N-Hydroxyethylated 2,4,6-triiodoaminoisophthalic acid bistrihydroxybutylamides, their preparation and x-ray contrast media containing them | Heinrich Pfeiffer, Wolfgang Muetzel | 1985-10-15 |
| 4426371 | Novel N-hydroxyalkylated dicarboxylic acid bis(3,5-dicarbamoyl-2,4,6-triiodoanilides), as X-ray contrast media | Heinrich Pfeiffer | 1984-01-17 |
| 4395391 | Unsymmetrically substituted dicarboxylic-acid-bis-(2,4,6-triiodo-anilides), their preparation, and x-ray contrast media containing same | Heinrich Pfeiffer, Wolfgang Mutzel | 1983-07-26 |
| 4367216 | Triiodinated 5-aminoisophthalic acid derivatives | Wolfgang Mutzel, Hans-Martin Siefert, Heinrich Pfeiffer, Paul-Eberhard Schulze, Bernhard Acksteiner | 1983-01-04 |
| 4364921 | Novel triiodinated isophthalic acid diamides as nonionic X-ray contrast media | Peter Blaszkiewicz, Dieter Seidelmann, Erich Klieger | 1982-12-21 |
| 4328202 | Ionic 5-C-substituted 2,4,6-triiodoisophthalic acid derivatives | Heinz Gries, Heinrich Pfeiffer, Wolfgang Muetzel | 1982-05-04 |
| 4283381 | Triiodinated aminoacetamido isophthalamide x-ray contrast agents | Erich Klieger, Wolfgang Mutzel | 1981-08-11 |
| 4239747 | Dicarboxylic acid bis(3,5-dicarbamoyl-2,4,6-triiodoanilides) useful as x-ray contrast agents | Heinrich Pfeiffer | 1980-12-16 |
| 4181721 | Depot preparations in an oily, unsaturated solution for intramuscular injection | Erwig O. Pinter, Ursula Lachnit-Fixson, Johann-Diederich Hahn-Godeffroy | 1980-01-01 |