Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9034105 | Solid precursor sublimator | Trapti Chaubey | 2015-05-19 |
| 7906094 | Method for producing a high purity trisilane product from the pyrolysis of disilane | Cyril Bourasseau, Gregory M. Jursich, John Borzio, Donald Mitchell, Derong Zhou +1 more | 2011-03-15 |
| 7812188 | Preparation of adsorbents for purifying organosilicon compounds | Trapti Chaubey | 2010-10-12 |
| 7334708 | Integral blocks, chemical delivery systems and methods for delivering an ultrapure chemical | Tay Sayasane, Joseph E. Paganessi, Gregory M. Jursich, Naoyuki Nakamoto, Yukinobu Nishikawa +3 more | 2008-02-26 |
| 7297181 | Purification and transfilling of ammonia | Derong Zhou, John Borzio, Hwa-Chi Wang, Tran Vuong | 2007-11-20 |
| 6899116 | Pressure vessel systems and methods for dispensing liquid chemical compositions | Hwa-Chi Wang, Hervé Dulphy | 2005-05-31 |
| 6736154 | Pressure vessel systems and methods for dispensing liquid chemical compositions | Hwa-Chi Wang, Hervé Dulphy | 2004-05-18 |
| 6439266 | Pressure pulsation damping valve | Shei-Kai Chang | 2002-08-27 |
| 6395064 | System and method for purifying and distributing chemical gases | Richard J. Udischas, Carol Schnepper, Joseph E. Paganessi | 2002-05-28 |
| 6214173 | On-site manufacture of ultra-high-purity nitric acid | Wallace I. Yuan, Tracey Jacksier, Hwa-Chi Wang, Joe G. Hoffman, R. Scot Clark | 2001-04-10 |
| 6172376 | Method and system for measuring particles in a liquid sample | Weiching Li | 2001-01-09 |
| 6168048 | Methods and systems for distributing liquid chemicals | Xavier Vigor | 2001-01-02 |