Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5785833 | Process for removing iron from tin-plating electrolytes | — | 1998-07-28 |
| 5725743 | Electrode system and use in electrolytic processes | — | 1998-03-10 |
| 5716512 | Method for manufacturing salts of metals | — | 1998-02-10 |
| 5578182 | Electrolytic production of hypophosphorous acid | Fred I. Nobel | 1996-11-26 |
| 5423960 | Method and apparatus for manufacturing iodine-free iodides | — | 1995-06-13 |
| 5419821 | Process and equipment for reforming and maintaining electroless metal baths | — | 1995-05-30 |
| 5310465 | Electrodialytic oxydation-reduction of metals | — | 1994-05-10 |
| 5264097 | Electrodialytic conversion of complexes and salts of metal cations | — | 1993-11-23 |
| 5258109 | Electrodialytic conversion of complexes and salts of metal cations | — | 1993-11-02 |
| 5198085 | Restoration of alkali hydroxide etchants of aluminum | — | 1993-03-30 |
| 5141610 | Electrodialytic process for restoring sodium hydroxide etchants for aluminum | — | 1992-08-25 |
| 5118399 | Electrodialytic recovery process | — | 1992-06-02 |
| 4985127 | Electrodialytic conversion of multivalent metal salts using sulfonate ions | — | 1991-01-15 |
| 4750525 | End closure for flexible plastic tubes | — | 1988-06-14 |
| 4684453 | Purification of dye baths | — | 1987-08-04 |
| 4654137 | Multicompartmented cell with freely-extendible tubular membrane | — | 1987-03-31 |
| 4652351 | Electrochemical restoration of cyanide solutions | — | 1987-03-24 |
| 4636288 | Electrodialytic conversion of multivalent metal salts | — | 1987-01-13 |
| 4439293 | Electrodialytic purification process | — | 1984-03-27 |
| 4325792 | Purification process | — | 1982-04-20 |