Inventor

JANSSENS WILHELMUS

BE75 patents

⚠️ This page may combine multiple inventors who share the name “JANSSENS WILHELMUS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

JANSSENS WILHELMUS

AGFA GEVAERT NV

Method for the production of a multicolor filter array

Photographic material suited for use in diffusion transfer photography and method of diffusion transfer photography using such material

Laminated security document containing fluorescent dye giving light piping

Black colored thermal dye sublimation transfer donor element

Method for the preparation of stable aqueous dispersions of polymer beads and the use of these dispersions in photographic elements

Thermographic recording material

Duplo quinoline compounds

Pressure-sensitive recording materials

Dyes and dye receiver elements for thermal dye transfer recording

Image receiving element for thermal dye diffusion transfer

Light-stabilizers for dyes for thermal dye transfer recording

Thermally transferable fluorescent compounds

Thermal transfer printing with ultra-violet absorbing compound

Thermal dye sublimation transfer printing method

Dye-donor element for use in thermal dye sublimation transfer

Mordanting polymers for acid dyes

Etch bleaching liquid with iron(III)ions

Thermal transfer imaging process

Ballasted dye compounds with linkages containing three aromatic nuclei for use in a dye diffusion transfer process and element

Photographic material suited for use in diffusion transfer photography

Dye-diffusion transfer process

Thermographic process of producing an image

Thermographic recording material

Method and materials for improving the color balance of photographic multicolor images using contact screen

Photographic material suited for the production of multicolor images by means of diffusion transfer of complexed silver halide

Black colored dye mixture for use according to thermal dye sublimation transfer

Thermal transfer printing process using a mixture of reducing agents for image-wise reducing a silver source

Thermal transfer process wherein a reducing agent and toning agent are transferred to a receiving element containing a thermoreducible silver source

Thermal transfer imaging process

Thermal dye transfer image with improved light-fastness

Thermal transfer imaging system based on the heat transfer of a reducing agent for reducing a silver source to metallic silver

Thermal dye sublimation transfer donor element

Thermal dye transfer methods utilizing heterocyclic hydrazono dyes

Dyes and dye-donor elements for thermal dye transfer recording

Dye-donor element for use according to thermal dye sublimation transfer

Dye-donor elements for thermal dye transfer recording

Dye-donor element comprising magenta-coloured tricyanovinylaniline dyes

Dye-donor element comprising tricyanovinylaniline dyes

Dye-donor element for use in thermal dye sublimation transfer

Dyes and dye-donor elements for thermal dye transfer recording

Dyes for use in thermal dye transfer

Cyan dyes for use in thermal dye sublimation transfer

Photographic silver halide color materials and process for the production of dye images by diffusion transfer

Polymeric phosphonium mordant and photographic element containing the same

Polymeric phosphonium mordant and photographic element containing the same

Azo dye compounds for use in a dye diffusion transfer process and photographic elements incorporating them

Photographic silver halide material containing a ballasted electron-donor precursor compound

Formation of azine dyes

AGFA GEVAERT AG

Color photographic recording material containing non-diffusing electron donor compounds

AGFA GEVAERT

Receiving element for use in thermal transfer printing