Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6605653 | Ink jet printing method | Huijuan Chen | 2003-08-12 |
| 6534566 | Ink jet ink composition | Huijuan Chen | 2003-03-18 |
| 6523950 | Ink jet printing method | Kristine B. Lawrence | 2003-02-25 |
| 6419354 | Ink jet printer method | Helmut Weber | 2002-07-16 |
| 6096493 | Magenta and yellow coupler combination in silver halide photographic element | Rakesh K. Jain, John W. Harder | 2000-08-01 |
| 6071684 | Photographic element containing specific magenta coupler | Rakesh K. Jain, Stanley W. Cowan | 2000-06-06 |
| 6037113 | Photographic element and process for its use | Rakesh K. Jain, John W. Harder | 2000-03-14 |
| 6030760 | Photographic element containing specific magenta coupler and anti-fading agent | Michael W. Crawley, Stanley W. Cowan | 2000-02-29 |
| 5994048 | Photographic element with particular magenta coupler | John W. Harder, Rakesh K. Jain | 1999-11-30 |
| 5750323 | Solid particle dispersions for imaging elements | Raymond P. Scaringe, David Darrell Miller, Mary Christine Brick, Margaret J. Helber, Steven Evans | 1998-05-12 |
| 5547727 | Optical recording elements having recording layers containing cationic azo dyes | Charles H. Weidner, Michael P. Cunningham | 1996-08-20 |
| 5534478 | Thermal dye transfer system with polyester ionomer receiver | Wayne A. Bowman, Helmut Weber | 1996-07-09 |
| 5534479 | Thermal dye transfer system with receiver containing an acid moiety | Wayne A. Bowman, Helmut Weber | 1996-07-09 |
| 5523274 | Thermal dye transfer system with low-Tg polymeric receiver containing an acid moiety | Wayne A. Bowman, Helmut Weber | 1996-06-04 |
| 5488026 | Thermal dye transfer system with receiver containing an acid-generating compound | Helmut Weber, Franklin D. Saeva | 1996-01-30 |
| 5242889 | Blue dyes for color filter array element | Helmut Weber | 1993-09-07 |
| 5215957 | Benz-cd-indole merocyanine blue dyes for color filter array element | Helmut Weber, Steven Evans | 1993-06-01 |
| 5214186 | Process for the preparation of arylidine dyes using an active methylene compound | — | 1993-05-25 |
| 5175069 | Maleimide blue dyes for color filter array element | Helmut Weber | 1992-12-29 |
| 5168094 | Mixture of yellow and cyan dyes to form green hue for color filter array element | Helmut Weber | 1992-12-01 |
| 5166129 | Benzomorpholinepyrroline dye-donor element for thermal dye transfer | Helmut Weber | 1992-11-24 |
| 5166128 | Acylated dicyanovinylpyrroline dye-donor element for thermal dye transfer | Helmut Weber | 1992-11-24 |
| 5147844 | Mixture on cyan and yellow dyes to form a green hue for color filter array element | Helmut Weber | 1992-09-15 |
| 5011811 | In situ dye generation for thermal transfer printing | Michael J. McManus | 1991-04-30 |
| 4923788 | Filter dyes for photographic elements | Paul B. Merkel, Glenn M. Brown | 1990-05-08 |