Patents
Patents for G03G 17 - Electrographic processes using patterns other than charge patterns, e.g. an electric conductivity pattern; Processes involving a migration; E.g. photoelectrophoresis, photoelectrosolography; Processes involving a selective transfer, e.g. electrophoto-adhesive processes; Apparatus essentially involving a single such process (847)
06/1979
06/05/1979US4157259 Reverse migration
05/1979
05/22/1979CA1055140A1 Color display device
05/01/1979CA1053739A1 Imaging process
05/01/1979CA1053738A1 Electrostatic printer support with controlled electrostatic field voltage
04/1979
04/03/1979US4147932 Low light level and infrared viewing system
03/1979
03/27/1979US4146707 Heterocyclic ethenyl or vinyl heterocyclic or aromatic compounds for migration imaging processes
03/20/1979US4145215 Photoconductive pigments
03/20/1979CA1050801A1 Photoelectrophoretic heat and pressure transfer mechanism
03/06/1979US4142890 Photosensitive trans-epindolidione pigment for migration imaging processes
02/1979
02/20/1979US4140907 Thermal-plain paper recording system
02/07/1979EP0000603A1 Photoelectrophoretic multicolour imaging apparatus
02/07/1979EP0000599A1 Electrically photosensitive particles for photoelectrophoretic migration imaging processes
02/07/1979EP0000596A1 Electrically photosensitive particles for electrophoretic migration imaging processes
01/1979
01/23/1979US4135926 Storage in the dark
01/23/1979US4135925 Methods of changing color by image disruption
01/02/1979US4132851 Oxidation with a quinone in acid medium
12/1978
12/26/1978US4131795 Instant radiation image display element
12/26/1978US4131463 Electric recording process of images using electron sensitive layer containing trivalent cobalt complex and compound having conjugated π bond system
12/19/1978US4130359 Electrophoretic migration imaging apparatus and method utilizing enlarged migration environment
12/12/1978CA1044065A1 Photoimmobilized electrophoretic recording
11/1978
11/21/1978US4126528 Electrophoretic composition and display device
11/21/1978CA1043007A1 Gain photocurrent device
11/14/1978US4125322 Electrophotosensitive migration imaging apparatus and method
10/1978
10/31/1978US4123283 Setting electrical latent images in migration imaging elements
10/03/1978US4118232 Photographic material containing sulphonic acid group containing disazo dyestuffs
09/1978
09/19/1978US4115234 Electrophoretic transfer process
09/12/1978US4113482 Migration imaging method involving color change
08/1978
08/29/1978CA1037546A1 Imaging process
08/22/1978US4108655 Multilayer
08/22/1978CA1037101A1 Electrographic recording process and apparatus
08/15/1978CA1036655A1 Process and apparatus for electrophotographic production of images
08/15/1978CA1036408A1 Imaging process
08/01/1978US4104064 Photoelectrophoretic imaging method employing dinaphtho-furan-dione pigments
07/1978
07/25/1978US4102682 Softenable photoconductive and migration materials
07/18/1978US4101321 Imaging system
06/1978
06/13/1978US4095233 Method for forming a charge pattern
06/06/1978US4093534 Dispersion of opaque dielectric material with adsorbed compound
06/06/1978US4093456 Process and device for electrophotographic image generation and application of the process
05/1978
05/02/1978US4087828 Process for the storage and reproduction of information
04/1978
04/18/1978US4084896 Photoelectrophoretic web imaging apparatus
03/1978
03/28/1978US4081273 Migration imaging method
03/14/1978US4079255 X-ray system with electrophoretic imaging and solid X-ray absorber
03/14/1978US4078923 Migration imaging with surfactant-modified solvent development
03/07/1978US4077936 Liquid suspending medium for electrophoretic image display/and or recording device
02/1978
02/21/1978US4075610 Method of storing optical information
02/14/1978US4073583 Photoelectrophoretic heat and pressure transfer mechanism
02/07/1978US4072517 Migration imaging method
01/1978
01/17/1978US4069047 Transfer of photoelectrophoretic images
01/17/1978US4068588 Dipyrizylbenzyl bromide
01/17/1978US4068585 Electrostatic printer support with controlled electrostatic surface voltage
01/03/1978US4066452 Velocity compensation for bead bypass
12/1977
12/27/1977US4065304 Method for fixing ink images
12/13/1977US4062680 Imaging process employing electrical or magnetic reverse migration force and softenable materials
10/1977
10/25/1977US4055418 Migration imaging method using an imaging member employing a surface skin
10/04/1977US4052208 Positive
09/1977
09/20/1977US4049343 Combination imaging and grounding roller
09/13/1977US4047944 Electrophoretic migration imaging process with neutral density bisazo pigments
08/1977
08/30/1977US4045327 Silicon carbide, urea resin
08/23/1977US4043879 Addition polymerization, copper anodes, image formation
08/23/1977US4043655 Photoelectrophoretic image reproduction device
08/23/1977US4043654 Display system
07/1977
07/26/1977US4037928 Visual image display device
07/12/1977US4035244 Electric recording process
06/1977
06/28/1977US4032339 Vinyl pyridine polymer
06/28/1977US4032226 Photoimmobilized electrophoretic recording
06/07/1977US4028101 Migration imaging member employing a surface skin
05/1977
05/24/1977US4025183 Processorprojector and sub-systems
05/17/1977US4023968 Photoelectrophoretic color imaging process in which back migration is eliminated
05/03/1977US4021110 Photocopying camera and processing device
04/1977
04/26/1977US4019816 Coating system having a composite applicator assembly provided with a reciprocating blade
04/12/1977US4017311 5-nitro- or phenylsulfonamidodinaphtho-(1,2-b:2',3'-d)furan-7,12-dione pigments
04/05/1977US4015983 Method of erasing manifold images
03/1977
03/29/1977US4014697 Electrography
03/29/1977US4014695 Migration imaging method employing migration member having a surface skin
03/22/1977US4013531 Method of producing high molecular film containing ionized material
03/22/1977US4013462 Migration imaging system
03/15/1977US4012376 Photosensitive colorant materials
03/15/1977US4012295 Photoconductivity
03/15/1977US4012252 Imaging process utilizing 3-bromo-N-2"-pyridyl-8,13-dioxodinaphtho-(2,1-b;2',3'-d)-furan-6-carboxamide
03/15/1977US4012250 Softenable layer over a dye transfer layer-electrical
02/1977
02/22/1977US4009466 Character coding and recognition system
02/22/1977US4009028 Reversal migration imaging system
02/08/1977US4007042 Migration imaging method
02/08/1977US4006982 Photoelectrophoretic concurrent process cycling
01/1977
01/25/1977US4004849 Two polymer solution
01/18/1977US4003742 Velocity compensation for bead bypass with speed reduction
01/18/1977US4003633 Color display device
01/11/1977US4002475 Photoconductive process for making electrographic masters
12/1976
12/21/1976US3998635 Migration
11/1976
11/30/1976US3995282 Device for selectively transferring spots of liquid ink
11/30/1976US3994283 Glow pattern viewing cell and apparatus for living organisms
11/23/1976US3993020 Blade applicator assembly
11/16/1976US3991992 Photoelectrophoretic web machine servo drive system
11/02/1976US3990043 Character coding and recognition system
11/02/1976US3989367 Apparatus for contacting a roller to a surface to be contacted
11/02/1976US3989366 Photoelectrophoretic imaging apparatus having a device for increasing the friction force between webs
11/02/1976US3989365 Motion compensation for bead bypass
10/1976
10/26/1976US3988060 Bead bypass speed reduction
10/19/1976US3986772 Bead bypass
10/12/1976US3985560 Migration imaging member with fusible particles
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