Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5284879 | High ion exchange capacity polyelectrolytes having high crosslink densities and caustic stability | Russell B. Hodgdon, Samuel S. Alexander | 1994-02-08 |
| 5264125 | Process for manufacturing continuous supported ion selective membranes using non-polymerizable high boiling point solvents | Russell B. Hodgdon, Samuel S. Alexander | 1993-11-23 |
| 5203982 | Cation exchange membranes | — | 1993-04-20 |
| 5145618 | Process for manufacturing continuous supported ion selective membranes using non-polymerizable high boiling point solvents | Russell B. Hodgdon, Samuel S. Alexander | 1992-09-08 |
| 5118717 | High ion exchange capacity polyelectrolytes having high crosslink densities and caustic stability | Russell B. Hodgdon, Samuel S. Alexander | 1992-06-02 |
| 5045171 | Acid efficient membrane for use in electrodialysis for recovery of acid | — | 1991-09-03 |
| 5037858 | Anion selective polymers prepared from concentrated solutions of N,N'-methylenebisacrylamide | — | 1991-08-06 |
| 4822471 | Acid efficient membrane for use in electrodialysis for recovery of acid | — | 1989-04-18 |
| 4617321 | Synthesis of highly cross-linked cation-exchange polymers from an aqueous solution | — | 1986-10-14 |
| 4374720 | Synthesis of water soluble cross-linkers and their use in the manufacture of anionic polymers | — | 1983-02-22 |
| 4310631 | Synthesis of water soluble cross-linkers and their use in the manufacture of anionic polymers | — | 1982-01-12 |
| 4275227 | Synthesis of water soluble cross-linkers and their use in the manufacture of anionic polymers | — | 1981-06-23 |