Issued Patents All Time
Showing 25 most recent of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6998054 | Selective fluoride and ammonia removal by chromatographic separation of wastewater | Juzer Jangbarwala | 2006-02-14 |
| 6723246 | Filter cleaning method | — | 2004-04-20 |
| 6652758 | Simultaneous ammonia and fluoride treatment for wastewater | — | 2003-11-25 |
| 6645385 | System and method for removal of fluoride from wastewater using single fluoride sensing electrode | Gennadiy Sverdlov, William J. Hannan | 2003-11-11 |
| 6613230 | Method for simultaneous removal of arsenic and fluoride from aqueous solutions | Paul H. Dick, Josh H. Golden, Jay J. Jung, Gennadiy Sverdlov | 2003-09-02 |
| 6582605 | Method of treating industrial waste waters | Josh H. Golden | 2003-06-24 |
| 6143155 | Method for simultaneous non-contact electrochemical plating and planarizing of semiconductor wafers using a bipiolar electrode assembly | John A. Adams, Everett D. Smith | 2000-11-07 |
| 6132586 | Method and apparatus for non-contact metal plating of semiconductor wafers using a bipolar electrode assembly | John A. Adams, Everett D. Smith | 2000-10-17 |
| 6121152 | Method and apparatus for planarization of metallized semiconductor wafers using a bipolar electrode assembly | John A. Adams, Everett D. Smith | 2000-09-19 |
| 5876685 | Separation and purification of fluoride from industrial wastes | John A. Adams, Dieter Dornisch, David W. Persichini, Christopher S. Blatt | 1999-03-02 |
| 5868906 | Dehydration and purification of isopropyl alcohol to an ultradry and ultrapure level | John A. Adams, Christopher S. Blatt, David W. Persichini | 1999-02-09 |
| 5855792 | Rinse water recycling method for semiconductor wafer processing equipment | John A. Adams | 1999-01-05 |
| 5853963 | Life extension of photoresist developer solutions | Rajwant Singh | 1998-12-29 |
| 5755614 | Rinse water recycling in CMP apparatus | John A. Adams, C. Randall Harwood | 1998-05-26 |
| 5722875 | Method and apparatus for polishing | Mitsuaki Iwashita, Nobuo Konishi, Gary Cohrt | 1998-03-03 |
| 5664990 | Slurry recycling in CMP apparatus | John A. Adams, C. Randall Harwood | 1997-09-09 |
| 5556553 | Recycle process for regeneration of ammoniacal copper etchant | Nenad V. Mandich, Rajwant Singh | 1996-09-17 |
| 5524780 | Control of regeneration of ammoniacal copper etchant | Nenad V. Mandich, Rajwant Singh | 1996-06-11 |
| 5512201 | Solder and tin stripper composition | Rajwant Singh, Nenad V. Mandich | 1996-04-30 |
| 5505872 | Solder stripper recycle and reuse | Nenad V. Mandich, Rajwant Singh | 1996-04-09 |
| 5322553 | Electroless silver plating composition | Nenad V. Mandich, Rajwant Singh | 1994-06-21 |
| 5318621 | Plating rate improvement for electroless silver and gold plating | Nenad V. Mandich, Rajwant Singh | 1994-06-07 |
| 5252225 | Method for precipitating an organic resin from an alkaline solution thereof | — | 1993-10-12 |
| 5232492 | Electroless gold plating composition | Nenad V. Mandich | 1993-08-03 |
| 5219484 | Solder and tin stripper compositions | — | 1993-06-15 |