Patents
Patents for G03G 5 - Recording-members for original recording by exposure e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor (15,021)
05/1980
05/20/1980CA1078078A1 Schottky barrier semiconductor device and method of making same
05/20/1980CA1078002A1 Deformation image repeated recording and erasure
05/20/1980CA1077955A1 Sensitizers for photoconductive compositions
05/14/1980EP0010652A1 4-Chlorooxazoles, method for their preparation and their use in photoconductive coatings in electrophotography and as optical brighteners
05/13/1980US4202937 Electrophotographic photosensitive member having no fatigue effect
05/13/1980US4202693 Recording material having intersecting conductive strips and apertured spacing means
05/13/1980CA1077343A1 Lithographic printing plate
05/06/1980US4202022 Magnetic transfer record film and apparatus for magneto-optically reading magnetic record patterns using the same
05/06/1980US4201701 Polyester of propylene glycol and terephthalic acid
05/06/1980CA1077046A1 Branched chain dodecyl isomeric mixtures of 2-(5'-dodecyl-2'-hydroxyphenyl) benzotriazole as stabilizers for heat and light sensitive materials
04/1980
04/30/1980EP0010450A1 Sensitized electrophoretic migration imaging dispersion and process
04/29/1980US4200461 Xanthene type acid dye and a base dye-sensitized zinc oxide photoconductive element
04/22/1980US4199616 Ionographic recording of X-ray images
04/22/1980US4199360 Dissolving methine dye in presence of red shift compound
04/16/1980EP0009742A1 Photoconductive masses based on synthetics and their use in the production of films and composite elements
04/15/1980CA1075522A1 Coating a dye from solution of organic primary amine onto a conductive substrate
04/08/1980US4197242 Used as pigments, photoreceptors
04/08/1980US4197138 1,1,1-trichloroethane and linseed oil, container with cover and scrubbing pads
04/08/1980US4197133 Photo-curable compositions of matter containing bis-azidophthalimidyl derivatives
04/08/1980US4197122 Process for preparing raw particles of cadmium sulfide for electrophotography
04/08/1980US4197119 Electrophotographic process
04/08/1980CA1075300A1 Offset printing
04/08/1980CA1075068A1 Imaging system
04/01/1980US4196350 Apparatus for photocontrolled ion-flow electron radiography
04/01/1980US4195990 Electrophotographic papers employing organic photoconductors
04/01/1980CA1074844A1 Heat control in thermoplastic photoconductive imaging system
03/1980
03/25/1980CA1074169A1 Semiconductive composition containing polymeric binder and a dye with quinoid benzene rings
03/25/1980CA1074165A1 Yellow developer containing resin and mono azo dye colour index yellow 97
03/20/1980WO1980000501A1 Carrier for image recording of the image thereon and a device for implementation of that method
03/18/1980US4194020 Method for preventing degradation of a liquid developer for electrostatic recording
03/11/1980US4192989 Blanket heated photoreceptor
03/11/1980US4192692 With amines and mercaptan
03/11/1980US4192677 Electrographic charge transfer compounds
03/04/1980US4191568 Photosensitive material for electrophotography with dye containing overlayer
03/04/1980US4191567 Zinc oxide
03/04/1980US4191566 Electrophotographic imaging process using anthraquinoid black pigments or metal complexes
03/04/1980CA1072806A1 Multi-active photoconductive element i
03/04/1980CA1072804A1 Photo-and radioconductive composition containing tetragonal lead monoxide, an anhydride and a polymeric vinyl derivative binder
02/1980
02/26/1980US4190445 Electrophotographic photosensitive media and process for manufacturing thereof
02/19/1980US4189406 Method for hot-pressing photoconductors
02/12/1980US4187800 Device for manufacturing photosensitive screen
02/12/1980CA1071764A1 Input device for scanning documents with magnetic printing
02/12/1980CA1071454A1 Use of an acylamino compound to produce a permanent conductivity pattern
02/07/1980WO1980000195A1 Method for providing electrical connection means in an electrographic element
02/05/1980US4187424 Charging recording layer comprising cells containing gas, ionizing gas, radiation
02/05/1980US4187104 Electrophotographic photoreceptor with composite interlayer and method of making
02/05/1980US4187103 Acid or acid salt decay retarder
02/05/1980CA1071004A1 Xeroradiographic plate with coating of charge conductive metal on margin edge
01/1980
01/22/1980US4185130 Toner particles fluidized into a standing wave over doctor knives
01/22/1980US4184871 A,b-unsaturated nitrile sensitizer
01/15/1980US4183818 Color electrophotographic liquid developer of colored particles and zinc oxide
01/15/1980US4183748 Method of removing surface ionic impurities on inorganic photoconductive material
01/15/1980US4183747 Electrophotographic recording element, cellulose carrier irradiated with ionizing radiation, process and product
01/15/1980CA1069747A1 Non homogeneous iodinated poly (vinyl carbazole) as photoconductive coating
01/15/1980CA1069745A1 Photoconductive layer containing dispersed elastomeric material derived from a heterogenous copolymer
01/10/1980WO1980000014A1 An improved dielectric product and process for the preparation thereof
01/09/1980EP0006356A1 Electrophotographic material having improved protective overcoat layer
01/08/1980CA1069372A1 Aggregate photoconductive layer contacting inorganic photoconductive-containing layer in multi-active photoconductive element
01/08/1980CA1069370A1 Method for enhancing solid solution stability and products resulting thereby
01/01/1980US4181772 Adhesive generator overcoated photoreceptors
01/01/1980US4181526 Interpolymer protective overcoats for electrophotographic elements
01/01/1980CA1068970A Alicyclic anhydride in organic photoconductive composition
12/1979
12/25/1979CA1068850A Intrachain charge transfer complexes
12/25/1979CA1068532A Electrostatographic photoreceptor overcoated with a crosslinkable composition containing two copolymers
12/18/1979CA1068150A1 Highly conductive printing medium containing a halogenated hydrocarbon photoactivator and a tetrathiafulvalene or a related compound thereof
12/11/1979US4178405 Magnetic belt with conductive coating
11/1979
11/28/1979EP0005652A2 Electrophoretic migration imaging process and dispersion
11/27/1979US4176275 Radiation imaging and readout system and method utilizing a multi-layered device having a photoconductive insulative layer
11/27/1979US4175961 Multi-active photoconductive elements
11/27/1979US4175960 Multi-active photoconductive element having an aggregate charge generating layer
11/27/1979US4175959 Oxidation, forming a dispersion layer with an organic resin
11/27/1979US4175957 Electrophotographic process using insulating dot overlayer
11/27/1979CA1066938A1 Photoconductive element containing a protonic acid to provide persistent conductivity
11/20/1979CA1066759A1 Technique for making electrical ground contact with the intermediate conductive layer of an electrostatographic recording member
11/15/1979WO1979000897A1 Electrostatic recording medium
11/13/1979US4174215 Electrophotographic screen
11/13/1979CA1066106A1 Binder containing acrylic resin and polycarbonate for triaryl pyrazoline compound in charge transport layer
11/06/1979US4173473 Radiation sensitive compositions containing pyrylium compounds
11/06/1979US4173472 Polyester interlayer and binder component in multilayer photoconductive element
11/06/1979CA1065952A1 Thermomagnetic imaging apparatus
11/06/1979CA1065668A1 Photoconductive element comprising a selenium layer, a charge-generation layer and a charge-transport layer
10/1979
10/31/1979EP0004944A2 Material for electrophotographic recording
10/30/1979US4172933 Electrophotography
10/30/1979US4172722 Electrostatic copying method for forming multiple copies
10/30/1979CA1065126A1 Photoconductive composition and elements containing same
10/23/1979US4172180 Basic polymer which reacts with hydrogen halide and is capable of forming quaternary salt, and halogen containing polymer capable of forming conjugated polyene by elimination of hydrogen halide
10/23/1979CA1064969A1 Organo-chalcogen compositions
10/23/1979CA1064936A1 Photoconductive polymer and photoconductive compositions and elements containing same
10/23/1979CA1064857A1 Flexible metal belt photoreceptors
10/23/1979CA1064712A1 Composition and method for repairing selenium photoreceptors
10/18/1979WO1979000776A1 Amorphous semiconductors equivalent to crystalline semiconductors
10/16/1979US4171417 Quaternary diallyldialkyl ammonium and fluoro acrylate monomers
10/16/1979CA1064310A1 Coated aluminum substrates with a binder of aluminum hydroxy oxide
10/16/1979CA1064303A1 Imaging system
10/09/1979US4170689 Magneto-optic thin film for memory devices
10/09/1979US4170476 Arsenic, tellurium, gallium, indium, thallium, selenium, semiconductors
10/09/1979US4170475 Interposing conductive film between electrode and dielectric layer, applying low voltage direct current between ohmic layer and electrode, projecting radiant energy pattern onto photoconductive layer
10/09/1979US4170287 Magnetic auger
10/09/1979CA1063794A1 Electrophotographic grade zinc oxide
10/09/1979CA1063765A1 Process for enhancement of mechanical properties of photoconductive polymers