Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5876685 | Separation and purification of fluoride from industrial wastes | Gerald A. Krulik, John A. Adams, Dieter Dornisch, Christopher S. Blatt | 1999-03-02 |
| 5868906 | Dehydration and purification of isopropyl alcohol to an ultradry and ultrapure level | John A. Adams, Gerald A. Krulik, Christopher S. Blatt | 1999-02-09 |
| 5354428 | Apparatus for the continuous on-site chemical reprocessing of ultrapure liquids | R. Scot Clark, Joe G. Hoffman, John B. Davison, Wallace I. Yuan, Bruce A. Lipisko +2 more | 1994-10-11 |
| 5164049 | Method for making ultrapure sulfuric acid | R. Scot Clark, John B. Davison, Wallace I. Yuan, Bruce A. Lipisko, Alan W. Jones +2 more | 1992-11-17 |
| 4855023 | Method and apparatus for the continuous on-site chemical reprocessing of ultrapure liquids used in semiconductor wafer cleaning | R. Scot Clark, Joe G. Hoffman, John B. Davison, Alan W. Jones, Allen H. Jones, Jr. +2 more | 1989-08-08 |
| 4828660 | Method and apparatus for the continuous on-site chemical reprocessing of ultrapure liquids | R. Scot Clark, Joe G. Hoffman, John B. Davison, Alan W. Jones, Allen H. Jones, Jr. +2 more | 1989-05-09 |