Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885103 | Cross-linking titanium & zirconium chelates & their use | Kenneth C. Smeltz | 1989-12-05 |
| 4883605 | Zirconium chelates and their use for cross-linking | — | 1989-11-28 |
| 4808739 | Cross-linking titanium & zirconium chelates & their use | Kenneth C. Smeltz | 1989-02-28 |
| 4798902 | Zirconium chelates and their use for cross-linking | — | 1989-01-17 |