Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5073501 | Method for determining the concentration of cations in a sample | Eddy Chapoteau, Bronislaw P. Czech, Carl R. Gebauer, Anand Kumar | 1991-12-17 |
| 5045475 | Reagent for determining cations | Eddy Chapoteau, Bronislaw P. Czech, Carl R. Gebauer, Anand Kumar | 1991-09-03 |
| 5011924 | Chromogenic cryptahemispherands and their preparation | Donald J. Cram, Eddy Chapoteau, Bronislaw P. Czech, Carl R. Gebauer, Roger C. Helgeson +1 more | 1991-04-30 |
| 4994395 | Chromogenic cryptand reagents and methods for determining cation concentrations in test samples containing interfering cations | Eddy Chapoteau, Bronislaw P. Czech, Carl R. Gebauer, 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, Bronislaw P. Czech, Carl R. Gebauer, Roger C. Helgeson +1 more | 1991-02-12 |
| 4859606 | Method for detecting cations in a test sample utilizing chromogenic cryptahemispherands | Donald J. Cram, Eddy Chapoteau, Bronislaw P. Czech, Carl R. Gebauer, Roger C. Helgeson +1 more | 1989-08-22 |
| 4808539 | Compounds, reagents and procedures for determining cations | Eddy Chapoteau, Bronislaw P. Czech, Carl R. Gebauer, Anand Kumar | 1989-02-28 |
| 4341844 | Article having organo-phosphonitrile rubber coating bonded to natural or synthetic rubber and method of making | — | 1982-07-27 |
| 4311736 | Article having organo-phosphonitrile rubber coating bonded to natural or synthetic rubber and method of making | — | 1982-01-19 |