Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5231127 | Metal titanates as partial replacements for titanium dioxide in pigmented polyvinyl chloride-type compositions | William J. Kroenke | 1993-07-27 |
| 5109051 | Aluminosilicate compositions as partial replacement for titanium dioxide in pigmented polyvinyl chloride and polyvinyl chloride type compositions | William J. Kroenke | 1992-04-28 |