Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6537730 | Thermal imaging composition and member containing sulfonated IR dye and methods of imaging and printing | Jeffrey W. Leon, David A. Stegman, Kevin W. Williams | 2003-03-25 |
| 6447978 | Imaging member containing heat switchable polymer and method of use | Jeffrey W. Leon | 2002-09-10 |
| 6410202 | Thermal switchable composition and imaging member containing cationic IR dye and methods of imaging and printing | Jeffrey W. Leon, David A. Stegman, Kevin W. Williams | 2002-06-25 |
| 6399268 | Processless direct write imaging member containing polymer grafted carbon and methods of imaging and printing | Jeffrey W. Leon | 2002-06-04 |
| 6361922 | Thicker optical recording layers comprising a tetra dye having a metallized azo dianionic dye with cationic dye counterions | Derek D. Chapman, Ramanuj Goswami, Csaba A. Kovacs | 2002-03-26 |
| 6190830 | Processless direct write printing plate having heat sensitive crosslinked vinyl polymer with organoonium group and methods of imaging and printing | Jeffrey W. Leon, Gary M. Underwood | 2001-02-20 |
| 6190831 | Processless direct write printing plate having heat sensitive positively-charged polymers and methods of imaging and printing | Jeffrey W. Leon, Gary M. Underwood, Charles D. DeBoer | 2001-02-20 |
| 6159657 | Thermal imaging composition and member containing sulfonated ir dye and methods of imaging and printing | Jeffrey W. Leon, David A. Stegman, Kevin W. Williams | 2000-12-12 |
| 5932690 | Optical recording elements having recording layers exhibiting reduced bubble formation | Elizabeth G. Burns | 1999-08-03 |
| 5922504 | Optical recording elements having recording layers containing mixtures of no k metallized formazan and cyanine dyes | Derek D. Chapman, Michael P. Cunningham, Ramanuj Goswami | 1999-07-13 |
| 5876821 | Tetra dye mixed with another dye or dyes for optical recording elements | Derek D. Chapman, Ramanuj Goswami, Csaba A. Kovacs | 1999-03-02 |
| 5667860 | Optical recording elements having recording layers exhibiting reduced bubble formation | Elizabeth G. Burns | 1997-09-16 |
| 5470626 | Optical recording layers containing sulfur | Gerald R. Lange, Donald R. Preuss | 1995-11-28 |
| 5362536 | Recordable optical element having a leuco dye | Michael R. Detty, Franklin D. Saeva | 1994-11-08 |
| 5356685 | Recordable optical element having a leuco dye | Michael R. Detty | 1994-10-18 |
| 5326677 | Optical retrieval apparatus using a tellurium (IV) leuco dye | Michael R. Detty | 1994-07-05 |
| 4752547 | Dye-forming electrothermographic material and process | Stanley W. Cowen, Mark Lelental | 1988-06-21 |
| 4684599 | Photoresist compositions containing quinone sensitizer | Thap DoMinh, Michael J. Lindstrom | 1987-08-04 |
| 4334005 | Transition metal photoreduction systems and processes | Anthony Adin | 1982-06-08 |
| 4324852 | Transition metal photoreduction systems and processes | Anthony Adin | 1982-04-13 |
| 4314019 | Transition metal photoreduction systems and processes | Anthony Adin | 1982-02-02 |
| 4294912 | Thermally responsive cobalt(III) complex imaging compositions having lowered activation temperatures | Anthony Adin, John W. Boettcher | 1981-10-13 |
| 4284704 | Photographic elements with incorporated hydrogen source photoreductant and tetrazolium salt | Joseph W. Manthey, Ralph T. Brongo | 1981-08-18 |
| 4201588 | Radiation sensitive co(III)complex photoreduction element with image recording layer | Anthony Adin | 1980-05-06 |
| 4195998 | CO(III) Complex containing radiation sensitive element with diazo recording layer | Anthony Adin | 1980-04-01 |