Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845029 | Method for the determination of sarcosine creatine or creatinine | Ulrich Mayr, Joachim Siedel, Hans Seidel | 1989-07-04 |
| 4816393 | Nucleoside triphosphate-dependent 1-methylhydantoinase, a process for obtaining it and the use thereof | Joachim Siedel, Rolf Deeg, Albert Roder, Joachim Ziegenhorn, Helmgard Gauhl | 1989-03-28 |