Jean-Marie Dewanckele

Person

Drongen, BE

People

Patents Grantslast 30 patents

Information Patent Grant
Spectrally sensitized tabular grain photographic materials
- Patent number 6,280,915
- Issue date Aug 28, 2001
- Agfa-Gevaert
- Marc Van den Zegel
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic material containing a new hydrazide type
- Patent number 5,998,087
- Issue date Dec 7, 1999
- Agfa-Gevaert, N.V.
- Johan Loccufier
- C07 - ORGANIC CHEMISTRY
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
Method for making negative lith images direct positive images
- Patent number 5,691,121
- Issue date Nov 25, 1997
- AGFA-GEVAERT N.V.
- Jean-Marie Dewanckele
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for obtaining a printing plate according to the silver salt...
- Patent number 5,665,515
- Issue date Sep 9, 1997
- AGFA-GEVAERT N.V.
- Lode Deprez
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for making a lithographic printing plate according to the si...
- Patent number 5,645,971
- Issue date Jul 8, 1997
- Agfa-Gevaert, N.V.
- Ludo Van Rompuy
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Class of stabilizing compounds for phosphor screens
- Patent number 5,632,930
- Issue date May 27, 1997
- Agfa-Gevaert, N.V.
- Paul Leblans
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Photographic useful group releasing system
- Patent number 5,631,125
- Issue date May 20, 1997
- Agfa-Gevaert, N.V.
- Jean-Marie Dewanckele
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Class of stabilizing compounds for phosphor screens
- Patent number 5,630,963
- Issue date May 20, 1997
- Agfa-Gevaert, N.V.
- Paul Leblans
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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
Negatively charged toner for use in electrostatography
- Patent number 5,622,803
- Issue date Apr 22, 1997
- Agfa-Gevaert, N.V.
- Serge Tavernier
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
New toning agents for thermographic and photothermographic material...
- Patent number 5,599,647
- Issue date Feb 4, 1997
- AGFA-GEVAERT N.V.
- Geert Defieuw
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
Photographic materials containing polymeric compounds
- Patent number 5,569,576
- Issue date Oct 29, 1996
- Agfa-Gevaert, N.V.
- Jean-Marie Dewanckele
- C07 - ORGANIC CHEMISTRY
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
Method for making a lithographic printing plate according to the si...
- Patent number 5,536,618
- Issue date Jul 16, 1996
- Agfa-Gevaert, N.V.
- Rene De Keyzer
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for making direct-positive photographic images
- Patent number 5,480,770
- Issue date Jan 2, 1996
- Agfa-Gevaert, N.V.
- Jean-Marie Dewanckele
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic recording material
- Patent number 5,455,154
- Issue date Oct 3, 1995
- AGFA-Gevaert, A.G.
- Gunter Helling
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for making direct-positive photographic images
- Patent number 5,449,595
- Issue date Sep 12, 1995
- Agfa-Gevaert, N.V.
- Jean-Marie Dewanckele
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Modified gelatin types and hydrophilic elements containing them
- Patent number 5,439,791
- Issue date Aug 8, 1995
- Agfa-Gevaert, N.V.
- Piet Kok
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for rendering silver areas of a silver based printing plate...
- Patent number 5,436,119
- Issue date Jul 25, 1995
- Agfa-Gevaert, N.V.
- Franciscus Heugebaert
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Silver halide photographic material
- Patent number 5,413,897
- Issue date May 9, 1995
- Agfa-Gevaert, N.V.
- Ludo L. Van Rompuy
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic material containing a mixture of silver halide emulsions
- Patent number 5,362,620
- Issue date Nov 8, 1994
- AGFA-Gevaert, N.V.
- Johan Lamotte
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Silver halide photographic material
- Patent number 5,348,836
- Issue date Sep 20, 1994
- Agfa-Gevaert, N.V.
- Ludo Van Rompuy
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for making a lithographic printing plate according to the si...
- Patent number 5,340,690
- Issue date Aug 23, 1994
- Agfa-Gavaert, N.V.
- Rene M. De Keyzer
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for making a lithographic printing plate according to the si...
- Patent number 5,340,691
- Issue date Aug 23, 1994
- Agfa-Gevaert, N.V.
- Jos Vaes
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Silver halide photographic material
- Patent number 5,324,622
- Issue date Jun 28, 1994
- Agfa-Gevaert, N.V.
- Ludo L. Van Rompuy
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dry electrostatographic developer composition
- Patent number 5,312,711
- Issue date May 17, 1994
- Agfa-Gevaert, N.V.
- Serge M. Tavernier
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for making a lithographic printing plate according to the si...
- Patent number 5,283,156
- Issue date Feb 1, 1994
- Agfa-Gevaert, N.V.
- Marcel Monbaliu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic direct positive material containing a masked benzotria...
- Patent number 5,254,443
- Issue date Oct 19, 1993
- Agfa-Gevaert, N.V.
- Piet Kok
- C07 - ORGANIC CHEMISTRY

Jean-Marie Dewanckele

Person

Patents Grantslast 30 patents

Spectrally sensitized tabular grain photographic materials

Photographic material containing a new hydrazide type

Receiving element for use in thermal transfer printing

Method for making negative lith images direct positive images

Method for obtaining a printing plate according to the silver salt...

Method for making a lithographic printing plate according to the si...

Class of stabilizing compounds for phosphor screens

Photographic useful group releasing system

Class of stabilizing compounds for phosphor screens

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

Negatively charged toner for use in electrostatography

New toning agents for thermographic and photothermographic material...

Thermal transfer imaging process

Photographic materials containing polymeric compounds

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

Method for making a lithographic printing plate according to the si...

Method for making direct-positive photographic images

Photographic recording material

Method for making direct-positive photographic images

Modified gelatin types and hydrophilic elements containing them

Method for rendering silver areas of a silver based printing plate...

Silver halide photographic material

Photographic material containing a mixture of silver halide emulsions

Silver halide photographic material

Method for making a lithographic printing plate according to the si...

Method for making a lithographic printing plate according to the si...

Silver halide photographic material

Dry electrostatographic developer composition

Method for making a lithographic printing plate according to the si...

Photographic direct positive material containing a masked benzotria...