Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5597685 | Color photographic element having improved image stability | Krishnan Chari | 1997-01-28 |
| 5543276 | Color photographic element containing new epoxy scavengers for residual magenta coupler | Krishnan Chari, Paul P. Spara, Sundaram Krishnamurthy | 1996-08-06 |
| 5508147 | Color photographic element with improved resistance to thermal and photochemical yellowing and method thereof | Krishnan Chari, Sundaram Krishnamurthy | 1996-04-16 |
| 5476756 | Color photographic element with improved resistance to thermal and photochemical yellowing | Krishnan Chari, Sundaram Krishnamurthy | 1995-12-19 |
| 5366842 | Oxygen barrier coated photographic coupler dispersion particles for enhanced dye-stability | Pranab Bagchi, James L. Edwards, Brian Thomas | 1994-11-22 |
| 5264317 | Oxygen barrier coated photographic coupler dispersion particles for enhanced dye-stability | Pranab Bagchi, James L. Edwards, Brian Thomas | 1993-11-23 |
| 5185230 | Oxygen barrier coated photographic coupler dispersion particles for enhanced dye-stability | Pranab Bagchi, James L. Edwards, Brian Thomas | 1993-02-09 |