Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5746999 | Magnetic particles for diagnostic purposes | Heinz Gries, Christian Zurth, Hanns-Joachim Weinmann | 1998-05-05 |
| 5648063 | Sterile composition comprising a chelate complex for magnetic resonance imaging | Heinz Gries, Douwe Rosenberg, Hanns-Joachim Weinmann, Ulrich Speck, Georg-Alexander Hoyer +2 more | 1997-07-15 |
| 5560903 | Method of enhancing paramagnetism in chelates for MRI | Heinz Gries, Douwe Rosenberg, Hanns-Joachim Weinmann, Ulrich Speck, Georg-Alexander Hoyer +2 more | 1996-10-01 |
| 5362475 | Gadolinium chelates for magnetic resonance imaging | Heinz Gries, Douwe Rosenberg, Hanns-Joachim Weinmann, Ulrich Speck, Georg-Alexander Hoyer +2 more | 1994-11-08 |
| 5047228 | Nonionic 5-C-substituted 2,4,6-triiodoisophthalic acid derivatives | Heinz Gries, Heinrich Pfeiffer, Ulrich Speck | 1991-09-10 |
| 5021236 | Method of enhancing NMR imaging using chelated paramagnetic ions bound to biomolecules | Heinz Gries, Douwe Rosenberg, Hanns-Joachim Weinmann, Ulrich Speck, Georg-Alexander Hoyer +1 more | 1991-06-04 |
| 4963344 | Method to enhance NMR imaging using chelated paramagnetic ions | Heinz Gries, Douwe Rosenberg, Hanns-Joachim Weinmann, Ulrich Speck, Georg-Alexander Hayden +1 more | 1990-10-16 |
| 4869913 | 3-Substituted 2,4,6-trihalogenated benzamides as sweetening agents | Heinz Gries | 1989-09-26 |
| 4522839 | 3-Substituted 2,4,6-trihalogenated benzamides as sweetening agents | Heinz Gries | 1985-06-11 |
| 4429152 | 3-Substituted 2,4,6-trihalogenated benzamides as sweetening agents | Heinz Gries | 1984-01-31 |
| 4395391 | Unsymmetrically substituted dicarboxylic-acid-bis-(2,4,6-triiodo-anilides), their preparation, and x-ray contrast media containing same | Heinrich Pfeiffer, Ulrich Speck | 1983-07-26 |
| 4367216 | Triiodinated 5-aminoisophthalic acid derivatives | Hans-Martin Siefert, Ulrich Speck, Heinrich Pfeiffer, Paul-Eberhard Schulze, Bernhard Acksteiner | 1983-01-04 |
| 4283381 | Triiodinated aminoacetamido isophthalamide x-ray contrast agents | Ulrich Speck, Erich Klieger | 1981-08-11 |
| 4264572 | X-ray contrast media | Erich Klieger | 1981-04-28 |