Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889839 | Layered titanate containing interspathic silica catalysts | Pochen Chu, Larry A. Green | 1989-12-26 |
| 4880611 | Crystalline composition | Roland von Ballmoos, Cynthia T-W. Chu, Eric G. Derouane | 1989-11-14 |
| 4861570 | Novel silicate | Guenter H. Kuehl | 1989-08-29 |
| 4859648 | Layered metal chalcogenides containing interspathic polymeric chalcogenides | Brent A. Aufdembrink, Pochen Chu, Ivy D. Johnson, Garry W. Kirker, Nancy M. Page +1 more | 1989-08-22 |
| 4812228 | Process for hydrotreating residual petroleum oil | Philip J. Angevine, Thomas F. Degnan | 1989-03-14 |