Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889838 | Redistribution of organohalosilanes utilizing heat treated crystalline alumina catalysts | Ching-Feng Chang | 1989-12-26 |
| 4864044 | Tin containing activated silicon for the direct reaction | Thomas E. Childress | 1989-09-05 |