Wilhelmus Janssens

Person

Aarschot, BE

People

Patents Grantslast 30 patents

Information Patent Grant
Receiving element for use in thermal transfer printing
- Patent number 5,858,913
- Issue date Jan 12, 1999
- Agfa-Gevaert
- Jean-Marie Dewanckele
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Laminated security document containing fluorescent dye giving light...
- Patent number 5,753,352
- Issue date May 19, 1998
- Agfa-Gevaert, N.V.
- Luc Vanmaele
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Dyes and dye receiver elements for thermal dye transfer recording
- Patent number 5,698,364
- Issue date Dec 16, 1997
- Agfa-Gevaert, N.V.
- Wilhelmus Janssens
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
N-alkyl-N-para-aminoaryl substituted dicyanovinyl aniline dyes for...
- Patent number 5,665,677
- Issue date Sep 9, 1997
- AGFA-GEVAERT N.V.
- Luc Vanmaele
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal transfer printing process using a mixture of reducing agent...
- Patent number 5,627,008
- Issue date May 6, 1997
- AGFA-GEVAERT N.V.
- Geert Defieuw
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dye-donor element comprising tricyanovinylaniline dyes
- Patent number 5,621,135
- Issue date Apr 15, 1997
- Agfa-Gevaert, N.V.
- Luc Vanmaele
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal transfer process wherein a reducing agent and toning agent...
- Patent number 5,601,962
- Issue date Feb 11, 1997
- AGFA-GEVAERT N.V.
- Geert Defieuw
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Dyes and dye-donor elements for use in thermal dye transfer
- Patent number 5,595,574
- Issue date Jan 21, 1997
- AGFA-GEVAERT N.V.
- Wilhelmus Janssens
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal transfer imaging process
- Patent number 5,589,317
- Issue date Dec 31, 1996
- AGFA-GEVAERT N.V.
- Geert Defieuw
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal imaging process and an assemblage of a donor and receiving...
- Patent number 5,587,270
- Issue date Dec 24, 1996
- AGFA-GEVAERT N.V.
- Wilhelmus Janssens
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Thermal transfer imaging process
- Patent number 5,587,268
- Issue date Dec 24, 1996
- AGFA-GEVAERT N.V.
- Geert Defieuw
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dyed receiving elements which comprise a heterocyclic hydrazono dye
- Patent number 5,571,289
- Issue date Nov 5, 1996
- AGFA-GEVAERT N.V.
- Wilhelmus Janssens
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal dye transfer image with improved light-fastness
- Patent number 5,571,765
- Issue date Nov 5, 1996
- AGFA-GEVAERT N.V.
- Luc Vanmaele
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal transfer imaging system based on the heat transfer of a red...
- Patent number 5,547,809
- Issue date Aug 20, 1996
- Agfa-Gevaert, N.V.
- Geert Defieuw
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dye-donor element comprising yellow dicyanovinylaniline dyes
- Patent number 5,518,984
- Issue date May 21, 1996
- Agfa-Gevaert, N.V.
- Wilhelmus Janssens
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
N-alkyl-n-para-aminoaryl substituted dicyanovinyl aniline dyes for...
- Patent number 5,514,638
- Issue date May 7, 1996
- AGFA-GEVAERT N.V.
- Luc Vanmaele
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal dye sublimation transfer donor element
- Patent number 5,510,225
- Issue date Apr 23, 1996
- Agfa-Gevaert, N.V.
- Wilhelmus Janssens
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Black colored dye mixture for use according to thermal dye sublimat...
- Patent number 5,476,746
- Issue date Dec 19, 1995
- Agfa-Gevaert, N.V.
- Wilhelmus Janssens
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal dye transfer methods utilizing heterocyclic hydrazono dyes
- Patent number 5,468,258
- Issue date Nov 21, 1995
- AGFA-GEVAERT N.V.
- Wilhelmus Janssens
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Dyes and dye-donor elements for thermal dye transfer recording
- Patent number 5,463,045
- Issue date Oct 31, 1995
- Agfa-Gevaert, N.V.
- Wilhelmus Janssens
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Dye donor element for use in a thermal dye transfer process
- Patent number 5,455,218
- Issue date Oct 3, 1995
- AGFA-GEVAERT N.V.
- Luc Vanmaele
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Image receiving element for thermal dye diffusion transfer
- Patent number 5,441,921
- Issue date Aug 15, 1995
- Agfa-Gevaert, N.V.
- Emiel Verdonck
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Dye-donor element comprising tricyanovinylaniline dyes
- Patent number 5,438,030
- Issue date Aug 1, 1995
- Agfa-Gevaert, N.V.
- Luc Vanmaele
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Dye-donor element for use according to thermal dye sublimation tran...
- Patent number 5,432,040
- Issue date Jul 11, 1995
- Agfa-Gevaert, N.V.
- Geert Defieuw
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Light-stabilizers for dyes for thermal dye transfer recording
- Patent number 5,426,088
- Issue date Jun 20, 1995
- AGFA-GEVAERT N.V.
- Wilhelmus Janssens
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Dye-donor elements for thermal dye transfer recording
- Patent number 5,422,334
- Issue date Jun 6, 1995
- AGFA-GEVAERT N.V.
- Wilhelmus Janssens
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Dye-donor element comprising magenta-coloured tricyanovinylaniline...
- Patent number 5,420,097
- Issue date May 30, 1995
- Agfa-Gevaert, N.V.
- Luc Vanmaele
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Dye-donor element comprising tricyanovinylaniline dyes
- Patent number 5,397,762
- Issue date Mar 14, 1995
- Agfa-Gevaert, N.V.
- Luc Vanmaele
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Polymeric phosphonium mordant and photographic element containing t...
- Patent number 5,380,619
- Issue date Jan 10, 1995
- Agfa-Gevaert, N.V.
- Daniel M. Timmerman
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermally transferable fluorescent compounds
- Patent number 5,328,887
- Issue date Jul 12, 1994
- Agfa-Gevaert, N.V.
- Wilhelmus Janssens
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Wilhelmus Janssens

Person

Patents Grantslast 30 patents

Receiving element for use in thermal transfer printing

Laminated security document containing fluorescent dye giving light...

Dyes and dye receiver elements for thermal dye transfer recording

N-alkyl-N-para-aminoaryl substituted dicyanovinyl aniline dyes for...

Thermal transfer printing process using a mixture of reducing agent...

Dye-donor element comprising tricyanovinylaniline dyes

Thermal transfer process wherein a reducing agent and toning agent...

Dyes and dye-donor elements for use in thermal dye transfer

Thermal transfer imaging process

Thermal imaging process and an assemblage of a donor and receiving...

Thermal transfer imaging process

Dyed receiving elements which comprise a heterocyclic hydrazono dye

Thermal dye transfer image with improved light-fastness

Thermal transfer imaging system based on the heat transfer of a red...

Dye-donor element comprising yellow dicyanovinylaniline dyes

N-alkyl-n-para-aminoaryl substituted dicyanovinyl aniline dyes for...

Thermal dye sublimation transfer donor element

Black colored dye mixture for use according to thermal dye sublimat...

Thermal dye transfer methods utilizing heterocyclic hydrazono dyes

Dyes and dye-donor elements for thermal dye transfer recording

Dye donor element for use in a thermal dye transfer process

Image receiving element for thermal dye diffusion transfer

Dye-donor element comprising tricyanovinylaniline dyes

Dye-donor element for use according to thermal dye sublimation tran...

Light-stabilizers for dyes for thermal dye transfer recording

Dye-donor elements for thermal dye transfer recording

Dye-donor element comprising magenta-coloured tricyanovinylaniline...

Dye-donor element comprising tricyanovinylaniline dyes

Polymeric phosphonium mordant and photographic element containing t...

Thermally transferable fluorescent compounds