Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7037669 | Assays for amphetamine and methamphetamine using stereospecific reagents | Yi Zheng, Khaled A. Yamout, Donald E. Berger, Jr., Hshiou-ting Liu | 2006-05-02 |
| 6410696 | Cyclosporin immunoassay | Dariush Davalian, Maureen Beresini, Svetlana Alexander, Edwin F. Ullman | 2002-06-25 |
| 6190873 | Cyclosporin assay and kit | Dariush Davalian, Maureen Beresini, Svetlana Alexander, Edwin F. Ullman | 2001-02-20 |
| 6054303 | Cyclosporin immunoassay | Dariush Davalian, Maureen Beresini, Svetlana Alexander, Edwin F. Ullman | 2000-04-25 |
| 6008411 | Nortriptyline conjugates to antigenic proteins and enzymes | Prithipal Singh | 1999-12-28 |
| 5378636 | Geminal diphenyl derivatives and their use in immunoassays | Kirk Schulkamp, Cheng-I Lin, Edwin F. Ullman | 1995-01-03 |
| 5328828 | Compositions and methods for determining the presence of amphetamines in a sample suspected of containing amphetamine and/or methamphetamine | Cheng-I Lin, Chen-Jung Hsu, James Vincent Freeman, Marcel Pirio, Edwin F. Ullman | 1994-07-12 |
| 5256575 | Geminal diphenyl derivatives and their use in immunoassays | Kirk Schulkamp, Cheng-I Lin, Edwin F. Ullman | 1993-10-26 |
| 5145774 | Fluorescent dyes | Thomas L. Tarnowski, Maureen Laney, John Pease, Vartan Ghazarossian | 1992-09-08 |
| 5135863 | Compositions and methods for determining the presence of amphetamines in a sample suspected of containing amphetamine and/or methamphetamine | Cheng-I Lin, Chen-Jung Hsu, James Vincent Freeman, Marcel Pirio, Edwin F. Ullman | 1992-08-04 |
| 5063165 | Geminal diphenyl derivatives and their use in immunoassays | Kirk Schulkamp, Cheng-I Lin, Edwin F. Ullman | 1991-11-05 |
| 5026905 | Fluorescent dyes | Thomas L. Tarnowski, Maureen Laney, John Pease, Vartan Ghazarossian | 1991-06-25 |
| 4795822 | Nortriptyline conjugates to antigenic proteins and enzymes | Prithipal Singh | 1989-01-03 |
| 4496479 | Chloramphenicol derivatives, antigens and antibodies | Prithipal Singh | 1985-01-29 |
| 4404278 | Methods and compositions for assaying for the production of 1,4-dihydropyridyl | Floyd W. Colvin, Edwin F. Ullman | 1983-09-13 |
| 4307245 | Amitriptyline conjugates to antigenic proteins and enzymes | Prithipal Singh | 1981-12-22 |
| 4262089 | Theophylline antigens and antibodies | Prithipal Singh | 1981-04-14 |
| 4230805 | Theophylline antigens and antibodies | Prithipal Singh | 1980-10-28 |
| 4223013 | Amitriptyline conjugates to antigenic proteins and enzymes | Prithipal Singh | 1980-09-16 |