Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5045456 | Process for removing bacterial endotoxin from gram-negative polysaccharides | Mark S. Rienstra | 1991-09-03 |
| 5039610 | Process for removing bacterial endotoxin from gram-negative polysaccharides | Mark S. Rienstra, Robert D. Sitrin | 1991-08-13 |
| 5019502 | Process for removing bacterial endotoxin from gram-negative polysaccharides | Mark S. Rienstra | 1991-05-28 |
| 4894444 | Recovery and purification of immunogens from immunogen-alum complexes | Roy W. Grabner | 1990-01-16 |
| 4264739 | Sparger for cell culture system | Roy W. Grabner, Miguel Villarejos | 1981-04-28 |
| 4237033 | Pretreatment of microcarriers for cell culture | — | 1980-12-02 |
| 4198479 | Replacement of animal serum proteins by human albumin for growth and interferon production by Namalva cells | Alfred A. Tytell, Arthur K. Field | 1980-04-15 |