Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859606 | Method for detecting cations in a test sample utilizing chromogenic cryptahemispherands | Donald J. Cram, Bronislaw P. Czech, Carl R. Gebauer, Roger C. Helgeson, Anand Kumar +1 more | 1989-08-22 |
| 4810351 | Carbonate selective membrane and electrode | W. James Scott | 1989-03-07 |
| 4808539 | Compounds, reagents and procedures for determining cations | Bronislaw P. Czech, Carl R. Gebauer, Koon-wah Leong, Anand Kumar | 1989-02-28 |