Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7799124 | Process for treating inorganic particles via sintering of sinterable material | Narayanan Sankara Subramanian, Pratibha Laxman Gai | 2010-09-21 |
| 7247200 | Titanium dioxide finishing process | Alan Roger Eaton, Narayanan Sankara Subramanian, Stephen William Taylor, George Schurr, David A. Zimmerman | 2007-07-24 |
| 7029648 | Process for making durable rutile titanium dioxide pigment by vapor phase deposition of surface treatment | Narayanan Sankara Subramanian, Pratibha Laxman Gai | 2006-04-18 |
| 6852306 | Process for making durable rutile titanium dioxide pigment by vapor phase deposition of surface treatments | Narayanan Sankara Subramanian, Pratibha Laxman Gai | 2005-02-08 |
| 6117303 | Modified electrolyte for fused salt electrolysis | Oswald Robert Bergmann, Howard M. Blank, David Jain, Thomas A. Messing, Walter John Simmons | 2000-09-12 |
| 6063247 | Modified electrolyte and diaphragm for fused salt electrolysis | Oswald Robert Bergmann, Howard M. Blank, David Jain, Thomas A. Messing, Walter John Simmons | 2000-05-16 |
| 5922120 | Process for producing coated TiO.sub.2 pigment using cooxidation to provide hydrous oxide coatings | Narayanan Sankara Subramanian, Pratibha Laxman Gai, Alvin Allen, John S. Gergely | 1999-07-13 |
| 5759511 | Granular scrubs for use in manufacturing titanium dioxide pigment | Narayanan Sankara Subramanian, David A. Zimmerman | 1998-06-02 |
| 5223021 | Iron as a co-additive in refining crude lead bullion | Michael H. Blenk, John P. Hager | 1993-06-29 |
| 5183496 | Copper speiss as a co-additive in refining crude lead bullion | Michael H. Blenk, John P. Hager | 1993-02-02 |
| 5183497 | Iron and a copper speiss as co-additives in refining crude lead bullion | Michael H. Blenk, John P. Hager | 1993-02-02 |