Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7745219 | Reagent composition for the analysis of residual white blood cells in leuko-reduced blood banking products | Michael Sommer, Pasquale Degiorgio, Gena Fischer, E. Sabrinah Chapman, David Zelmanovic +1 more | 2010-06-29 |
| 6323036 | Reagents and methods for releasing and measuring lead ions from biological matrices | Eddy Chapoteau, Jonathan Craine | 2001-11-27 |
| 5891736 | Reagents and methods for releasing and measuring lead ions from biological matrices | Eddy Chapoteau, Jonathan Craine | 1999-04-06 |
| 5814521 | Metal ion determination by sandwich aggregation assay | Eddy Chapoteau, Jonathan Craine, Anand Kumar, Koon-wah Leong | 1998-09-29 |
| 5262330 | Colorimetric methods and reagents for the assay of calcium in a test sample | Eddy Chapoteau, Wolodymyr Zazulak | 1993-11-16 |
| 5187103 | Colorimetric method and reagent for the assay of lithium in a test sample | Eddy Chapoteau, Anand Kumar | 1993-02-16 |
| 5177221 | Chromogenic hemispherands and their preparation | Donald J. Cram, Eddy Chapoteau, Carl R. Gebauer, Roger C. Helgeson, Anand Kumar +1 more | 1993-01-05 |
| 5145787 | Method for determining the concentration of cations in a sample | Eddy Chapoteau, Carl R. Gebauer, Koon-wah Leong, Anand Kumar | 1992-09-08 |
| 5096831 | Reagents for determining cations | Eddy Chapoteau, Carl R. Gebauer, Koon-wah Leong, Anand Kumar | 1992-03-17 |
| 5073501 | Method for determining the concentration of cations in a sample | Eddy Chapoteau, Carl R. Gebauer, Koon-wah Leong, Anand Kumar | 1991-12-17 |
| 5064955 | Large scale, non-chromatographic purification of chromogenic cryptahemispherands (1.1) and (2.1) | — | 1991-11-12 |
| 5045475 | Reagent for determining cations | Eddy Chapoteau, Carl R. Gebauer, Koon-wah Leong, Anand Kumar | 1991-09-03 |
| 5011924 | Chromogenic cryptahemispherands and their preparation | Donald J. Cram, Eddy Chapoteau, Carl R. Gebauer, Roger C. Helgeson, Anand Kumar +1 more | 1991-04-30 |
| 4994395 | Chromogenic cryptand reagents and methods for determining cation concentrations in test samples containing interfering cations | Eddy Chapoteau, Carl R. Gebauer, Koon-wah Leong, Anand Kumar | 1991-02-19 |
| 4992381 | Method of detecting electrolytes in an aqueous test sample using chromogenic hemispherands and test device therefor | Donald J. Cram, Eddy Chapoteau, Carl R. Gebauer, Roger C. Helgeson, Anand Kumar +1 more | 1991-02-12 |
| 4900818 | Large scale synthesis of twelve member diazamonocyclic compounds | — | 1990-02-13 |
| 4859606 | Method for detecting cations in a test sample utilizing chromogenic cryptahemispherands | Donald J. Cram, Eddy Chapoteau, Carl R. Gebauer, Roger C. Helgeson, Anand Kumar +1 more | 1989-08-22 |
| 4845212 | Process for the preparation of chromogenic cryptahemispherands | — | 1989-07-04 |
| 4808539 | Compounds, reagents and procedures for determining cations | Eddy Chapoteau, Carl R. Gebauer, Koon-wah Leong, Anand Kumar | 1989-02-28 |