Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9005411 | Electrochemical compression system | Bamdad Bahar, William Parmelee | 2015-04-14 |
| 7255798 | Recycling of used perfluorosulfonic acid membranes | Stephen Grot | 2007-08-14 |
| 6733914 | Fuel cell membranes | Stephen Grot | 2004-05-11 |
| 5919583 | Membranes containing inorganic fillers and membrane and electrode assemblies and electrochemical cells employing same | Govindarajulu Rajendran | 1999-07-06 |
| 5807421 | Hydrometallurgical extraction process | Christopher Andrew Fleming, John Anton Thorpe | 1998-09-15 |
| 5667557 | Hydrometallurgical extraction and recovery of copper, gold, and silver via cyanidation and electrowinning | Christopher Andrew Fleming, John Anton Thorpe | 1997-09-16 |
| 5547911 | Process of imprinting catalytically active particles on membrane | — | 1996-08-20 |
| 5534576 | Sealant for electrochemical cells | — | 1996-07-09 |
| 5484503 | Process for sealing membrane in electrochemical cell | — | 1996-01-16 |
| 5415888 | Method of imprinting catalytically active particles on membrane | Shoibal Banerjee, David P. Bloomfield | 1995-05-16 |
| 5411575 | Hydrometallurgical extraction process | Christopher Andrew Fleming, John Anton Thorpe | 1995-05-02 |
| 5330860 | Membrane and electrode structure | Shoibal Banerjee | 1994-07-19 |
| 5310765 | Process for hydrolysis of ion exchange membranes | Shoibal Banerjee | 1994-05-10 |
| 5281680 | Polymerization of fluorinated copolymers | — | 1994-01-25 |
| 5181791 | Applicator for applying sealant for electrochemical cell | — | 1993-01-26 |
| 4591439 | Ion exchange process and apparatus | — | 1986-05-27 |
| 4544458 | Fluorinated ion exchange polymer containing carboxylic groups, process for making same, and film and membrane thereof | Charles J. Molnar, Paul R. Resnick | 1985-10-01 |
| 4518650 | Protective clothing of fabric containing a layer of highly fluorinated ion exchange polymer | Joseph T. Rivers, Raimund H. Silva | 1985-05-21 |
| 4469744 | Protective clothing of fabric containing a layer of highly fluorinated ion exchange polymer | Joseph T. Rivers, Raimund H. Silva | 1984-09-04 |
| 4453991 | Process for making articles coated with a liquid composition of perfluorinated ion exchange resin | — | 1984-06-12 |
| 4433082 | Process for making liquid composition of perfluorinated ion exchange polymer, and product thereof | — | 1984-02-21 |
| 4415679 | Process for esterifying fluorinated carboxylic acid polymer | — | 1983-11-15 |
| 4267364 | Fluorinated ion exchange polymer containing carboxylic groups, process for making same, and film and membrane thereof | Charles J. Molnar, Paul R. Resnick | 1981-05-12 |