Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6582881 | Optical recording elements containing mixture of metallized azo ether and cyanine dyes | Derek D. Chapman, Ann L. Carroll-Lee | 2003-06-24 |
| 6447981 | Metallized azo thioether dyes | Derek D. Chapman | 2002-09-10 |
| 6364476 | Ink jet printing process | Kristine B. Lawrence, Steven Evans, David M. Teegarden | 2002-04-02 |
| 6361922 | Thicker optical recording layers comprising a tetra dye having a metallized azo dianionic dye with cationic dye counterions | Derek D. Chapman, James C. Fleming, Ramanuj Goswami | 2002-03-26 |
| 6352341 | Ink jet printing process | Teh-Ming Kung, Charles E. Romano, Jr. | 2002-03-05 |
| 6280026 | Ink jet printing process | Kristine B. Lawrence, Susan L. Dawson, Steven Evans, Teh-Ming Kung | 2001-08-28 |
| 6280027 | Ink jet printing process | Kristine B. Lawrence, Paul D. Yacobucci, Steven Evans | 2001-08-28 |
| 6280028 | Ink jet printing process | Kristine B. Lawrence, Steven Evans | 2001-08-28 |
| 6276791 | Ink jet printing process | Teh-Ming Kung, Charles E. Romano, Jr. | 2001-08-21 |
| 6270943 | Optical recording elements comprising novel metallized azo ether dyes | Derek D. Chapman, Ann L. Carroll-Lee | 2001-08-07 |
| 6206517 | Ink jet printing process | Teh-Ming Kung, Charles E. Romano, Jr. | 2001-03-27 |
| 6165683 | Metallized azo-ether dyes for optical recording layers | Derek D. Chapman, Ramanuj Goswami | 2000-12-26 |
| 6143061 | Delocalized cationic azo dye for ink jet ink | Steven Evans, Ellen M. Pyszczek, Helmut Weber | 2000-11-07 |
| 6139611 | Ink jet ink composition | Teh-Ming Kung, Charles E. Romano, Jr. | 2000-10-31 |
| 6137514 | Ink jet printing method | Teh-Ming Kung, Charles E. Romano, Jr. | 2000-10-24 |
| 6136080 | Cationic azo dye for ink jet ink | Steven Evans, Helmut Weber | 2000-10-24 |
| 5959960 | Method of providing a range of conformalities for optical recording layers | Susan Starr Collier, Michael P. Cunningham | 1999-09-28 |
| 5876821 | Tetra dye mixed with another dye or dyes for optical recording elements | Derek D. Chapman, James C. Fleming, Ramanuj Goswami | 1999-03-02 |
| 5824768 | Polymeric dyes for optical recording layers and elements | Elizabeth G. Burns, Ramanuj Goswami, Derek D. Chapman | 1998-10-20 |
| 5821029 | Optical recording elements containing mixtures of metallized carbamoylazo and cyanine dyes | Derek D. Chapman, Ramanuj Goswami | 1998-10-13 |
| 5821346 | Metallized carbamoylazo dyes | Derek D. Chapman, Ramanuj Goswami | 1998-10-13 |
| 5786123 | Optical recording elements comprising a polymeric dye | Elizabeth G. Burns, Ramanuj Goswami, Derek D. Chapman | 1998-07-28 |
| 5786124 | Optical recording elements containing metallized carbamoylazo dyes | Derek D. Chapman, Ramanuj Goswami | 1998-07-28 |
| 5645910 | Formazan-cyanine copolymers dyes for optical recording layers and elements | Elizabeth G. Burns, Ramanuj Goswami | 1997-07-08 |
| 5500325 | Dye mixtures for optical recording layers | Derek D. Chapman, Ramanuj Goswami | 1996-03-19 |