Issued Patents All Time
Showing 76–100 of 103 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5156827 | Apparatus, process, and composition for in-situ generation of polyhydridic compounds of group IV-VI elements | James V. McManus | 1992-10-20 |
| 5151395 | Bulk gas sorption and apparatus, gas containment/treatment system comprising same, and sorbent composition therefor | — | 1992-09-29 |
| 5138869 | In-line detector system for real-time determination of impurity concentration in a flowing gas stream | — | 1992-08-18 |
| 5094830 | Process for removal of water and silicon mu-oxides from chlorosilanes | James V. McManus | 1992-03-10 |
| 5057242 | Composition, process, and apparatus, for removal of water and silicon mu-oxides from chlorosilanes | James V. McManus | 1991-10-15 |
| 5037624 | Composition, apparatus, and process, for sorption of gaseous compounds of group II-VII elements | James V. McManus, Bruce A. Luxon | 1991-08-06 |
| 5015411 | Process, composition, and apparatus for purifying inert gases to remove Lewis acid and oxidant impurities therefrom | Duncan W. Brown | 1991-05-14 |
| 4983363 | Apparatus for purifying arsine, phosphine, ammonia, and inert gases to remove Lewis acid and oxidant impurities therefrom | Duncan W. Brown | 1991-01-08 |
| 4950419 | Process, composition, and apparatus for purifying inert gases to remove lewis acid and oxidant impurities therefrom | Duncan W. Brown | 1990-08-21 |
| 4936877 | Dopant delivery system for semiconductor manufacture | Steven J. Hultquist | 1990-06-26 |
| 4925646 | Process and composition for drying of gaseous hydrogen halides | Duncan W. Brown | 1990-05-15 |
| 4867960 | Water scavengers for hydrochloric acid streams | — | 1989-09-19 |
| 4865822 | Process for purifying hydrogen selenide and hydrogen telluride, to remove moisture and oxidant impurities therefrom | Duncan W. Brown | 1989-09-12 |
| 4853148 | Process and composition for drying of gaseous hydrogen halides | Duncan W. Brown | 1989-08-01 |
| 4797227 | Process and composition for purifying hydrogen selenide and hydrogen telluride, to remove moisture and oxidant impurities therefrom | Duncan W. Brown | 1989-01-10 |
| 4781900 | Process and composition for purifying arsine, phosphine, ammonia, and inert gases to remove Lewis acid and oxidant impurities therefrom | Duncan W. Brown | 1988-11-01 |
| 4761395 | Process and composition for purifying arsine, phosphine, ammonia, and inert gases to remove Lewis acid and oxidant impurities therefrom | Duncan W. Brown | 1988-08-02 |
| 4748216 | Purified cycloolefin polymerization composition | — | 1988-05-31 |
| 4738693 | Valve block and container for semiconductor source reagent dispensing and/or purification | — | 1988-04-19 |
| 4723967 | Valve block and container for semiconductor source reagent dispensing and/or purification | — | 1988-02-09 |
| 4716181 | Scavengers for the removal of impurities from arsine and phosphine | — | 1987-12-29 |
| 4696953 | Scavengers for the removal of impurities from arsine and phosphine | — | 1987-09-29 |
| 4661575 | Dicyclopentadiene polymer product | — | 1987-04-28 |
| 4659552 | Scavengers for the removal of impurities from arsine and phosphine | — | 1987-04-21 |
| 4604270 | Scavengers for the removal of impurities from inert fluids | — | 1986-08-05 |