Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643968 | Process for producing ion exchange membranes, and the ion exchange membranes produced thereby | Christopher Andreola, Jian-Ping Huang | 1997-07-01 |
| 5624965 | Arylenedialkylidene polymers for high performance ion exchange membranes | Jian-Ping Huang | 1997-04-29 |
| 5288378 | Guard membranes for use in electrodialysis cells | — | 1994-02-22 |
| 5228962 | Separation/recovery of ammonium salts via electrodialytic water splitting | Krishnamurthy N. Mani, Yu-Chih Chiao | 1993-07-20 |
| 5200046 | Apparatus and method for electrodialytic treatment of salts to produce acid and/or base of improved purity | Krishnamurthy N. Mani, Yu C. Chiao | 1993-04-06 |
| 5198086 | Electrodialysis of salts of weak acids and/or weak bases | Krishnamurthy N. Mani | 1993-03-30 |
| 5162076 | Method for purification of acids from materials comprising acid and salt | Yu-Chih Chiao, Krishnamurthy N. Mani | 1992-11-10 |
| 5139632 | Recovery of mixed acids from mixed salts | Krishnamurthy N. Mani | 1992-08-18 |
| 5135626 | Method for purification of bases from materials comprising base and salt | Krishnamurthy N. Mani, Yu-Chih Chiao | 1992-08-04 |
| 5126026 | Guard membranes for use in electrodialysis cells | — | 1992-06-30 |
| 5049250 | Electrodialytic treatment of aqueous solutions containing amino acids | — | 1991-09-17 |
| 4999095 | Recovery of mixed acids from mixed salts | Krishnamurthy N. Mani | 1991-03-12 |
| 4976838 | Method for purification of bases from materials comprising base and salt | Krishnamurthy N. Mani, Yu-Chih Chiao | 1990-12-11 |
| 4766161 | Bipolar membranes and methods of making same | Ming J. Lan | 1988-08-23 |
| 4740281 | Recovery of acids from materials comprising acid and salt | Yu-Chih Chiao, Krishnamurthy N. Mani | 1988-04-26 |
| 4738764 | Electrodialysis membranes comprising sulfonated constituents | Robert S. Cooke | 1988-04-19 |
| 4636289 | Solution mining of sodium minerals with acids generated by electrodialytic water splitting | Krishnamurthy N. Mani | 1987-01-13 |
| 4629545 | Electrodialytic water splitter and process for removal of SO.sub.2 from gases containing same and for recovery of SO.sub.2 and NaOH | Krishnamurthy N. Mani | 1986-12-16 |
| 4608141 | Multichamber two-compartment electrodialytic water splitter and method of using same for basification of aqueous soluble salts | Krishnamurthy N. Mani | 1986-08-26 |
| 4592817 | Electrodialytic water splitting process for gaseous products | Krishnamurthy N. Mani | 1986-06-03 |
| 4584077 | Process for recovering sodium carbonate from trona and other mixtures of sodium carbonate and sodium bicarbonate | Krishnamurthy N. Mani | 1986-04-22 |
| 4536269 | Multichamber two-compartment electrodialytic water splitter and method of using same for acidification of aqueous soluble salts | Krishnamurthy N. Mani | 1985-08-20 |
| 4504373 | Electrodialytic water splitting process and apparatus for conversion of alkali metal sulfate values derived from spent rayon spin baths | Krishnamurthy N. Mani | 1985-03-12 |
| 4391680 | Preparing alkali metal hydroxide by water splitting and hydrolysis | Krishnamurthy N. Mani | 1983-07-05 |
| 4390402 | Process for regenerating spent seed materials used in magnetohydrodynamic power generation | Krishnamurthy N. Mani | 1983-06-28 |