Issued Patents All Time
Showing 26–50 of 101 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5922504 | Optical recording elements having recording layers containing mixtures of no k metallized formazan and cyanine dyes | Michael P. Cunningham, Ramanuj Goswami, James C. Fleming | 1999-07-13 |
| 5922429 | Optical recording elements having recording layers containing mixtures of low k metallized formazan and cyanine dyes | Michael P. Cunningham, Ramanuj Goswami | 1999-07-13 |
| 5876821 | Tetra dye mixed with another dye or dyes for optical recording elements | James C. Fleming, Ramanuj Goswami, Csaba A. Kovacs | 1999-03-02 |
| 5874196 | Cyan dye mixtures for thermal color proofing | Linda A. Kaszczuk, Joseph H. Ambro | 1999-02-23 |
| 5866510 | Cyan dye mixtures for thermal color proofing | Linda A. Kaszczuk, Joseph H. Ambro | 1999-02-02 |
| 5866509 | Magenta dye mixture for thermal color proofing | Linda A. Kaszczuk, Joseph H. Ambro | 1999-02-02 |
| 5824768 | Polymeric dyes for optical recording layers and elements | Elizabeth G. Burns, Csaba A. Kovacs, Ramanuj Goswami | 1998-10-20 |
| 5821346 | Metallized carbamoylazo dyes | Ramanuj Goswami, Csaba A. Kovacs | 1998-10-13 |
| 5821029 | Optical recording elements containing mixtures of metallized carbamoylazo and cyanine dyes | Ramanuj Goswami, Csaba A. Kovacs | 1998-10-13 |
| 5792587 | Cyan dye mixtures for thermal color proofing | Linda A. Kaszczuk, Joseph H. Ambro | 1998-08-11 |
| 5786124 | Optical recording elements containing metallized carbamoylazo dyes | Ramanuj Goswami, Csaba A. Kovacs | 1998-07-28 |
| 5786123 | Optical recording elements comprising a polymeric dye | Elizabeth G. Burns, Csaba A. Kovacs, Ramanuj Goswami | 1998-07-28 |
| 5773193 | Optical recording layers containing no k metallized formazan dyes mixed with symmetrical and unsymmetrical cyanine dyes | Michael P. Cunningham, Ramanuj Goswami | 1998-06-30 |
| 5731054 | Mixtures of low K metallized formazan dyes with symmetrical and unsymmetrical cyanine dyes | Michael P. Cunningham, Ramanuj Goswami | 1998-03-24 |
| 5695843 | Mixtures of symmetrical and unsymmetrical nickel formazan dyes | Ramanuj Goswami | 1997-12-09 |
| 5695918 | Cyanine dyes with chain sulfone substituent photographic materials comprising | Colin Gray, John D. Mee, Kevin W. Williams | 1997-12-09 |
| 5654079 | Stabilizers for cyan dyes in dye-ablative element | Lee W. Tutt | 1997-08-05 |
| 5500325 | Dye mixtures for optical recording layers | Ramanuj Goswami, Csaba A. Kovacs | 1996-03-19 |
| 5426015 | Metallized azo dianion with two cationic dye counter ions for optical information recording medium | Michael P. Cunningham, Csaba A. Kovacs | 1995-06-20 |
| 5401618 | Infrared-absorbing cyanine dyes for laser ablative imaging | Linda A. Kaszczuk | 1995-03-28 |
| 5272047 | Optical information recording medium using azo dyes | Csaba A. Kovacs | 1993-12-21 |
| 5264320 | Mixture of dyes for black dye donor thermal color proofing | Steven Evans | 1993-11-23 |
| 5236822 | Method and composition for hardening gelatin | Edgar E. Riecke, Chung-Yuan Chen, Kenneth G. Harbison | 1993-08-17 |
| 5219823 | Stabilizers for cyanine IR dyes in donor element for laser-induced thermal dye transfer | — | 1993-06-15 |
| 5177052 | Mixture of dyes for cyan dye donor for thermal color proofing | Joseph H. Ambro, Steven Evans | 1993-01-05 |