Issued Patents All Time
Showing 25 most recent of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733677 | Filter sheet and process for purifying photoresist composition employing the filter sheet | Eugene A. Ostreicher, Richard Sale | 2004-05-11 |
| 6576139 | Process for purifying photoresist composition employing a filter sheet | Eugene A. Ostreicher, Richard Sale | 2003-06-10 |
| 6565749 | Microorganism filter and method for removing microorganism from water | Donald Stephen Bretl, Richard D. Hembree | 2003-05-20 |
| 6103122 | Filter sheet for purifying photoresist composition | Eugene A. Ostreicher, Richard Sale | 2000-08-15 |
| 5458782 | Hydrolytically stable nylon membrane | James C. Disbrow, Ronald V. Repetti, C. Thomas Badenhop | 1995-10-17 |
| 5059654 | Affinity matrices of modified polysaccharide supports | Tung-Ping D. Liao, Robert Rohan | 1991-10-22 |
| 5045210 | Heavy metal removal process | Wei-Chih Chen, Michael A. Michaud | 1991-09-03 |
| 4980067 | Polyionene-transformed microporous membrane | Chung-Jen Hou, Haunn-Lin Tony Chen | 1990-12-25 |
| 4921654 | Low protein binding membrane | Chung-Jen Hou, James C. Disbrow | 1990-05-01 |
| 4908137 | Heavy metal removal process | Wei-Chih Chen, Michael A. Michaud | 1990-03-13 |
| 4859340 | Filter sheet | Eugene A. Ostreicher | 1989-08-22 |
| 4791063 | Polyionene transformed modified polysaccharide supports | Chung-Jen Hou, Haunn-Lin Tony Chen | 1988-12-13 |
| 4724207 | Modified siliceous chromatographic supports | Tung-Ping D. Liao | 1988-02-09 |
| 4711793 | Process for charge modifying a microphorous membrane | Eugene A. Ostreicher, Rodney A. Knight, Joseph V. Fiore, George T. Emond | 1987-12-08 |
| 4708803 | Liquid filtration using hydrophilic cationic isotropic microporous nylon membrane | Eugene A. Ostreicher, Rodney A. Knight, Joseph V. Fiore, George T. Emond | 1987-11-24 |
| 4687820 | Modified polypeptide supports | Tung-Ping D. Liao | 1987-08-18 |
| 4673504 | Charge modified microporous membrane | Eugene A. Ostreicher, Rodney A. Knight, Joseph V. Fiore, George T. Emond | 1987-06-16 |
| 4663163 | Modified polysaccharide supports | Tung-Ping D. Liao | 1987-05-05 |
| 4645567 | Filter media and method of making same | Eugene A. Ostreicher | 1987-02-24 |
| 4639513 | Intravenously injectable immunoglobulin G (IGG) and method for producing same | Garrett Cogswell | 1987-01-27 |
| 4596660 | Fibrous media containing millimicron-sized particulates | — | 1986-06-24 |
| 4578150 | Fibrous media containing millimicron-sized particulates | — | 1986-03-25 |
| 4559145 | Process for preparing a zero standard serum | — | 1985-12-17 |
| 4512897 | Molecular separation column and use thereof | Alvin L. Crowder, III, Nils Dailey, Joseph V. Fiore | 1985-04-23 |
| 4511473 | Fibrous media containing millimicron-sized particulates | — | 1985-04-16 |