Issued Patents All Time
Showing 1–25 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5858913 | Receiving element for use in thermal transfer printing | Jean-Marie Dewanckele, Geert Defieuw, Marcel J. Monbaliu | 1999-01-12 |
| 5753352 | Laminated security document containing fluorescent dye giving light piping | Luc Vanmaele, Leon L. Vermeulen | 1998-05-19 |
| 5698364 | Dyes and dye receiver elements for thermal dye transfer recording | Luc Vanmaele | 1997-12-16 |
| 5665677 | N-alkyl-N-para-aminoaryl substituted dicyanovinyl aniline dyes for use in thermal transfer printing | Luc Vanmaele | 1997-09-09 |
| 5627008 | Thermal transfer printing process using a mixture of reducing agents for image-wise reducing a silver source | Geert Defieuw, Jean-Marie Dewanckele | 1997-05-06 |
| 5621135 | Dye-donor element comprising tricyanovinylaniline dyes | Luc Vanmaele | 1997-04-15 |
| 5601962 | Thermal transfer process wherein a reducing agent and toning agent are transferred to a receiving element containing a thermoreducible silver source | Geert Defieuw | 1997-02-11 |
| 5595574 | Dyes and dye-donor elements for use in thermal dye transfer | Luc Vanmaele | 1997-01-21 |
| 5589317 | Thermal transfer imaging process | Geert Defieuw, Herman Uytterhoeven, Bart Horsten, Jean-Marie Dewanckele, Jan Van den Bogaert | 1996-12-31 |
| 5587268 | Thermal transfer imaging process | Geert Defieuw, Luc Vanmaele | 1996-12-24 |
| 5587270 | Thermal imaging process and an assemblage of a donor and receiving element for use therein | Jan Van den Bogaert, Luc Vanmaele, Geert Defieuw | 1996-12-24 |
| 5571765 | Thermal dye transfer image with improved light-fastness | Luc Vanmaele | 1996-11-05 |
| 5571289 | Dyed receiving elements which comprise a heterocyclic hydrazono dye | Luc Vanmaele | 1996-11-05 |
| 5547809 | Thermal transfer imaging system based on the heat transfer of a reducing agent for reducing a silver source to metallic silver | Geert Defieuw, Luc Vanmaele, Jean-Marie Dewanckele, Herman Uytterhoeven | 1996-08-20 |
| 5518984 | Dye-donor element comprising yellow dicyanovinylaniline dyes | Luc Vanmaele | 1996-05-21 |
| 5514638 | N-alkyl-n-para-aminoaryl substituted dicyanovinyl aniline dyes for use in thermal transfer printing | Luc Vanmaele | 1996-05-07 |
| 5510225 | Thermal dye sublimation transfer donor element | Luc Vanmaele | 1996-04-23 |
| 5476746 | Black colored dye mixture for use according to thermal dye sublimation transfer | Raymond Roosen, Modest Vereycken | 1995-12-19 |
| 5468258 | Thermal dye transfer methods utilizing heterocyclic hydrazono dyes | Luc Vanmaele | 1995-11-21 |
| 5463045 | Dyes and dye-donor elements for thermal dye transfer recording | Luc Vanmaele | 1995-10-31 |
| 5455218 | Dye donor element for use in a thermal dye transfer process | Luc Vanmaele, Eric Kiekens | 1995-10-03 |
| 5441921 | Image receiving element for thermal dye diffusion transfer | Emiel Verdonck, Geert Defieuw | 1995-08-15 |
| 5438030 | Dye-donor element comprising tricyanovinylaniline dyes | Luc Vanmaele | 1995-08-01 |
| 5432040 | Dye-donor element for use according to thermal dye sublimation transfer | Geert Defieuw, Luc Vanmaele | 1995-07-11 |
| 5426088 | Light-stabilizers for dyes for thermal dye transfer recording | Luc Vanmaele | 1995-06-20 |