Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461411 | Method and materials for purifying hydride gases, inert gases, and non-reactive gases | Dan Fraenkel | 2002-10-08 |
| 6395070 | Methods for removal of impurity metals from gases using low metal zeolites | Paul M. Bhadha, Dan Fraenkel | 2002-05-28 |