Inventor
DEWANCKELE JEAN-MARIE
BE25 patents
⚠️ This page may combine multiple inventors who share the name “DEWANCKELE JEAN-MARIE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AGFA GEVAERT NV
22 patentsUS5599647AFeb 4, 1997
New toning agents for thermographic and photothermographic materials and process
AGFA GEVAERT NV37 citations92
US5589317ADec 31, 1996
Thermal transfer imaging process
AGFA GEVAERT NV15 citations73
US5439791AAug 8, 1995
Modified gelatin types and hydrophilic elements containing them
AGFA GEVAERT NV8 citations73
US5362620ANov 8, 1994
Photographic material containing a mixture of silver halide emulsions
AGFA GEVAERT NV8 citations73
US5340691AAug 23, 1994
Method for making a lithographic printing plate according to the silver salt diffusion transfer process
AGFA GEVAERT NV9 citations73
US5283156AFeb 1, 1994
Method for making a lithographic printing plate according to the silver salt diffusion transfer process
AGFA GEVAERT NV7 citations72
US5622803AApr 22, 1997
Negatively charged toner for use in electrostatography
AGFA GEVAERT NV7 citations69
US5627008AMay 6, 1997
Thermal transfer printing process using a mixture of reducing agents for image-wise reducing a silver source
AGFA GEVAERT NV3 citations63
US5547809AAug 20, 1996
Thermal transfer imaging system based on the heat transfer of a reducing agent for reducing a silver source to metallic silver
AGFA GEVAERT NV5 citations63
US5536618AJul 16, 1996
Method for making a lithographic printing plate according to the silver salt diffusion transfer process
AGFA GEVAERT NV4 citations62
US5645971AJul 8, 1997
Method for making a lithographic printing plate according to the silver salt diffusion transfer process
AGFA GEVAERT NV2 citations61
US5632930AMay 27, 1997
Class of stabilizing compounds for phosphor screens
AGFA GEVAERT NV3 citations61
US5630963AMay 20, 1997
Class of stabilizing compounds for phosphor screens
AGFA GEVAERT NV4 citations61
US5348836ASep 20, 1994
Silver halide photographic material
AGFA GEVAERT NV2 citations61
US5998087ADec 7, 1999
Photographic material containing a new hydrazide type
AGFA GEVAERT NV4 citations58
US5569576AOct 29, 1996
Photographic materials containing polymeric compounds
AGFA GEVAERT NV2 citations54
US5449595ASep 12, 1995
Method for making direct-positive photographic images
AGFA GEVAERT NV0 citations50
US5631125AMay 20, 1997
Photographic useful group releasing system
AGFA GEVAERT NV1 citations46
US5436119AJul 25, 1995
Method for rendering silver areas of a silver based printing plate ink acceptant while rendering the hydrophilic areas ink repellant
AGFA GEVAERT NV1 citations44
US5665515ASep 9, 1997
Method for obtaining a printing plate according to the silver salt diffusion transfer process
AGFA GEVAERT NV0 citations41
US5691121ANov 25, 1997
Method for making negative lith images direct positive images
AGFA GEVAERT NV0 citations40
US5480770AJan 2, 1996
Method for making direct-positive photographic images
AGFA GEVAERT NV0 citations40