Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5616249 | Nanofiltration apparatus and processes | — | 1997-04-01 |
| 5510394 | High ionic conductance ion exchange membranes and their preparation | — | 1996-04-23 |
| 5284879 | High ion exchange capacity polyelectrolytes having high crosslink densities and caustic stability | Russell James MacDonald, Samuel S. Alexander | 1994-02-08 |
| 5264125 | Process for manufacturing continuous supported ion selective membranes using non-polymerizable high boiling point solvents | Russell James MacDonald, Samuel S. Alexander | 1993-11-23 |
| 5194189 | Process for manufacturing continuous, supported polymeric sheet from polymerizable liquid starting materials | Theodore G. Papastavros, Samuel A. Alexander, Michael Benedict, Vincent Cioffi, Emery Richard +1 more | 1993-03-16 |
| 5152901 | Polyamine-polyamide composite nanofiltration membrane for water softening | — | 1992-10-06 |
| 5145618 | Process for manufacturing continuous supported ion selective membranes using non-polymerizable high boiling point solvents | Russell James MacDonald, Samuel S. Alexander | 1992-09-08 |
| 5137925 | Aliphatic anion exchange polymeric membranes having improved resistance to fouling | — | 1992-08-11 |
| 5118717 | High ion exchange capacity polyelectrolytes having high crosslink densities and caustic stability | Russell James MacDonald, Samuel S. Alexander | 1992-06-02 |
| 5056996 | Apparatus for manufacturing continuous, supported polymeric sheets from polymerizable liquid starting materials | Theodore G. Papastavros, Samuel A. Alexander, Michael Benedict, Vincent Cioffi, Emery Richard +1 more | 1991-10-15 |
| 4851100 | Novel bipolar membranes and process of manufacture | Samuel S. Alexander | 1989-07-25 |
| 4505797 | Ion-exchange membranes reinforced with non-woven carbon fibers | Warren A. Waite | 1985-03-19 |
| 4374206 | Synthesis of base-stable aliphatic anion exchange polymers | Russel J. MacDonald | 1983-02-15 |
| 4231855 | Electrodialysis membranes of high interstitial molality based upon methacrylate ester derivatives | Samuel S. Alexander | 1980-11-04 |
| 4191811 | Ion exchange membranes based upon polyphenylene sulfide and fluorocarbon polymeric binder | — | 1980-03-04 |