Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857453 | Immunoassay device | Edwin F. Ullman, Rohan Peries | 1989-08-15 |
| 4857455 | Method for the determination of peroxidase using fluorogenic substrates | Chiu C. Chang, Edwin F. Ullman | 1989-08-15 |
| 4847195 | Glucose-6-phosphate dehydrogenase conjugates useful in polyiodothyronine assays | Kirk Schulkamp | 1989-07-11 |
| 4816391 | Amine stabilized aminoglycoside formulations | — | 1989-03-28 |
| 4798804 | Serum pretreatment in digoxin immunoassay | Fred Pearlman | 1989-01-17 |
| 4786594 | Enzyme immunoassay | Dennis M. Bleile, Cynthia D. Stiso | 1988-11-22 |
| 4774191 | Fluorescent conjugates bound to a support | Edwin F. Ullman | 1988-09-27 |
| 4740468 | Concentrating immunochemical test device and method | Litai Weng, David Calderhead, Edwin F. Ullman | 1988-04-26 |
| 4654311 | Serum pretreatment for digoxin assay | Roberta D. Ernst, Anne J. Stone | 1987-03-31 |
| 4652531 | Fluorescent protein binding assays with unsymmetrical fluorescein derivatives | Warren Colvin | 1987-03-24 |
| 4629693 | Sensitivity in fluorescence assays in icteric samples | — | 1986-12-16 |
| 4608200 | Chloramphenicol derivatives, antigens and antibodies | Evan S. Snyder, Prithipal Singh | 1986-08-26 |
| 4608252 | Chloramphenicol derivatives antigens and antibodies | Evan S. Snyder, Prithipal Singh | 1986-08-26 |
| 4605754 | Acetaminophen analogs | — | 1986-08-12 |
| 4588697 | Method for performing fluorescent protein binding assay employing novel alkyl substituted fluorescent compounds and conjugates | Edwin F. Ullman | 1986-05-13 |
| 4582791 | Reducing non-specific background in immunofluorescence techniques | Jimmy D. Allen, Ian Gibbons | 1986-04-15 |
| 4544765 | Chloramphenicol derivatives | Evan S. Snyder, Prithipal Singh | 1985-10-01 |
| 4518701 | Reduction in non-specific interference in hydrophobic ligand assays | Floyd W. Colvin | 1985-05-21 |
| 4504413 | Acetaminophen analogs, antigens, and antibodies | — | 1985-03-12 |
| 4489156 | Chloramphenicol derivatives | Evan S. Snyder, Prithipal Singh | 1984-12-18 |
| 4489157 | Chloramphenicol derivatives | Evan S. Snyder, Prithipal Singh | 1984-12-18 |
| 4481136 | Alkyl substituted fluorescent compounds and conjugates | Edwin F. Ullman | 1984-11-06 |
| 4439356 | Unsymmetrical fluorescein derivatives | Warren Colvin | 1984-03-27 |
| 4424150 | Acetaminophen analogs, antigens, and antibodies | — | 1984-01-03 |
| 4351760 | Novel alkyl substituted fluorescent compounds and polyamino acid conjugates | Edwin F. Ullman | 1982-09-28 |