Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861743 | Process for the production of molecular sieves | William H. Flank, Stephen T. Wilson, Edith M. Flanigen | 1989-08-29 |
| 4818508 | Process for preparing molecular sieve bodies | William H. Flank, Walter P. Fethke, Jr. | 1989-04-04 |