Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5177221 | Chromogenic hemispherands and their preparation | Eddy Chapoteau, Bronislaw P. Czech, Carl R. Gebauer, Roger C. Helgeson, Anand Kumar +1 more | 1993-01-05 |
| 5011924 | Chromogenic cryptahemispherands and their preparation | Eddy Chapoteau, Bronislaw P. Czech, Carl R. Gebauer, Roger C. Helgeson, Anand Kumar +1 more | 1991-04-30 |
| 4992381 | Method of detecting electrolytes in an aqueous test sample using chromogenic hemispherands and test device therefor | Eddy Chapoteau, Bronislaw P. Czech, Carl R. Gebauer, Roger C. Helgeson, Anand Kumar +1 more | 1991-02-12 |
| 4859606 | Method for detecting cations in a test sample utilizing chromogenic cryptahemispherands | Eddy Chapoteau, Bronislaw P. Czech, Carl R. Gebauer, Roger C. Helgeson, Anand Kumar +1 more | 1989-08-22 |
| 4474699 | Preparing 1-aminomethyl-6-substituted-4H-s-triazolo[4,3-a][1,4]benzodiazepines in improved procedures | Martin Gall, Michael F. Lipton | 1984-10-02 |