Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6447738 | Coproducing alumina, iron oxide, and titanium-dioxide from aluminum ore bodies and feedstocks | John S. Rendall, Jerry V. Fox, Fred A. Aiken | 2002-09-10 |
| 6056813 | Process and system for producing pigments directly from component raw materials without byproducts | John S. Rendall, Jerry V. Fox, Fred A. Aiken | 2000-05-02 |
| 5895523 | Process for making basic alkali metal sulfate pigments | John S. Rendall, Jerry V. Fox | 1999-04-20 |
| 5871571 | Inks and UV-opaque protectorants comprising basic sodium and/or sodium/potassium aluminum sulfates and process for making such commercial products | John S. Rendall, David H. Fishman | 1999-02-16 |
| 5865952 | Process for making basic sodium and/or potassium aluminum sulphates and for making paper with such | John S. Rendall | 1999-02-02 |
| 5846512 | Method for producing activated alumina catalyst | John S. Rendall, Stephen J. Lane | 1998-12-08 |
| 5783163 | Process for making basic sodium and/or potassium aluminum sulphates and for making paper with such | John S. Rendall | 1998-07-21 |
| 5783280 | Rigid thermal insulation | John S. Rendall | 1998-07-21 |
| 5746932 | Method for producing thermal insulation from dry-fine oil-sands tailings | John S. Rendall | 1998-05-05 |
| 5720868 | Method for producing electrolytic-pot-cell grade alumina from aluminum sulphate | John S. Rendall, Stephen J. Lane | 1998-02-24 |
| 5662880 | Method for producing catalyst-grade alumina from aluminum sulphate | John S. Rendall, Stephen J. Lane | 1997-09-02 |
| 5589023 | Method for making and shaping objects of rigid insulation | John S. Rendall | 1996-12-31 |