Patents
Sitemap › G03 - Photography; Cinematography; Analogous techniques using waves other than optical waves; Electrography; Holography › G03G - Electrography; Electrophotography; Magnetography › G03G 5 - Recording-members for original recording by exposure e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
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)
01/1990
01/09/1990US4892949 Organic photoconductors
01/09/1990US4892800 Stability, high speed, group 3 and/or group 5 element
01/09/1990US4892799 4-chlorooxazole derivatives and processes for their preparation and use
01/03/1990EP0349345A2 An electrophotographic lithographic printing plate precursor and a method of developing the same
01/03/1990EP0349249A2 An electrophotographic lithographic printing plate precursor and a method of developing the same
01/03/1990EP0349219A1 1,2,4,5-benzoylenebis(naphtho[1,8-de]pyrimidine) compounds and their use
01/03/1990EP0349034A1 Electrophotographic recording material
01/03/1990EP0348889A2 Photoconductive material and process for producing the same
01/03/1990EP0348868A2 An electrophotographic photosensitive element and a process for manufacturing an offset printing master from the element
01/03/1990EP0348843A2 Photosensitive member for electrophotography
01/02/1990US4891292 Containing hydrogen and phosphorus
01/02/1990US4891291 Containing hydrogen and chalcogen or group 3 or 4 element
01/02/1990US4891290 Photosensitive material for electrophotography
01/02/1990US4891289 Electrography
01/02/1990US4891288 Photoreceptor for positive electrostatic charge
12/1989
12/28/1989DE3919804A1 Electrophotographic photoreceptor
12/27/1989EP0347967A1 Photosensitive recording material suited for use in electrophotography
12/27/1989EP0347960A1 Photosensitive recording material suited for use in electrophotography
12/27/1989EP0347854A2 Photoreceptor for electrophotography
12/27/1989EP0347798A2 Unitary intensifying screen and radiographic element
12/27/1989CA1264023A1 Electrophotographic color proofing method
12/26/1989US4889924 Bisazo compounds
12/26/1989US4889785 Electrophotographic light-sensitive material
12/26/1989US4889784 4-diethylaminobenzaldehyde diphenylhydrazone, tetrahydrofuran
12/26/1989US4889783 Printing member for electrostatic photocopying
12/26/1989US4889782 Electrostatic photocopying machine
12/19/1989US4888262 Image forming method
12/19/1989US4888261 Electrophotographic photsensitive member
12/19/1989US4888250 Electroconductive coatings
12/13/1989EP0345737A2 Electrophotographic photoreceptor and method of producing the same
12/12/1989US4886846 Charge transfer compounds
12/12/1989US4886724 Reaction product of hydrocarbon and group three, four, or five compounds; durability
12/12/1989US4886723 Light receiving member having a multilayered light receiving layer composed of a lower layer made of aluminum-containing inorganic material and an upper layer made of non-single-crystal silicon material
12/12/1989US4886722 Xerography; sensitive to visible and infrared light
12/12/1989US4886721 Germanium or tin derivative
12/12/1989US4886720 Photosensitive medium having a styryl charge transport material
12/12/1989US4886719 Electrophotography photosensitive member and a method for fabricating same
12/12/1989US4886685 Layer elements and their production
12/06/1989EP0345005A2 Electrophotographic photosensitive element and method of preparing same
12/05/1989US4885369 Photoconductive material for electrophotography comprising rhodanine derivative charge complex
12/05/1989US4885226 First blocking layers of amorphous silicon have large optical energy band gaps; microcrystalline layers have small band gaps to reduce reflection
12/05/1989US4885220 Amorphous silicon carbide electroreceptors
12/05/1989CA1263731A1 Boron doped semiconductor materials and method for producing same
12/05/1989CA1263554A1 Dielectric sheet material
11/1989
11/29/1989EP0343851A2 Electroreceptors
11/29/1989EP0343666A2 Correct-reading images from photopolymer electrographic master
11/28/1989US4883733 Electrophotographic printing process using photochromic compound
11/28/1989US4883732 Method of forming printing plate using isoindolenine deratives
11/28/1989US4883731 Xeroprinting process
11/28/1989CA1263393A1 Benzotelluropyrylium diketonate electron accepting dye sensitizers for electron donating photoconductive compositions
11/23/1989EP0342968A2 Method for recording and reproducing information, apparatus therefor and recording medium
11/23/1989EP0342967A2 Electrostatic information recording medium and electrostatic information recording and reproducing method
11/23/1989EP0342810A2 Cyanine dyes and preparation thereof
11/22/1989CN1037405A Electrophotographic photosensitive member
11/21/1989US4882427 Titanium phthalocyanine optical semiconductor material and electrophotographic plate using same
11/21/1989US4882256 Photosensitive member having an overcoat layer comprising amorphous carbon
11/21/1989US4882255 Disazo charge generating compounds; photosensitive, excellent reuse
11/21/1989US4882254 Photoconductive imaging members with mixtures of photogenerator pigment compositions
11/21/1989US4882253 Organic laminated photosensitive material of positive charging type
11/21/1989US4882252 High speed copying for semiconductor laser beam printer; group v and iii a dopes, hydrogen and halogen components
11/21/1989US4882251 Light receiving member having a multilayered light receiving layer composed of a lower layer made of aluminum-containing inorganic material and an upper layer made of non-single-crystal silicon material
11/21/1989US4882250 Electrography
11/21/1989US4882249 Photosensitivity, durability
11/21/1989US4882248 Alkali and/or alcohol soluble polymer, electrically conductive hydrophilic base; lithography; sensitivity, durability
11/21/1989US4881952 Method and apparatus for disposing dust produced during amorphous silicon film-forming process
11/15/1989EP0341825A2 An electrophotographic lithographic printing plate precursor
11/14/1989US4880718 Electrophotographic recording element with isoindolenine derivatives
11/14/1989US4880717 Selenium intermetallic with arsenic or tellurium, protective coatings
11/14/1989US4880716 Electrophotographic lithographic printing plate precursor having resin outer layer
11/14/1989US4880715 Imaging system
11/09/1989DE3913613A1 Methods for regenerating a photoreceptor for electrophotography
11/09/1989DE3913439A1 Photoconductor for electrophotography
11/08/1989EP0340943A2 Organic photoconductor
11/08/1989EP0340930A2 Organic photoconductor
11/08/1989EP0340603A2 Color image production method
11/08/1989EP0340523A2 Electrophotographic photoreceptor
11/07/1989US4879195 Laser-sensitive electrophotographic material
10/1989
10/31/1989US4877709 Image forming member for electrophotography
10/31/1989US4877703 Photoconductor for electrophotography having a squarylium charge generating dye
10/31/1989US4877702 Perylene type electric charge generating substance and diamine derivative as electric charge transferring substance
10/31/1989US4877701 Photosensitive layer containing a lubricant and charge-transporting substance
10/31/1989US4877700 Layered electrophotographic recording material containing selenium, arsenic and bismuth or tellurium
10/25/1989EP0338504A2 Photosensitive member for electrophotography
10/24/1989US4876185 Aluminum support for a photoconductive member
10/24/1989US4876168 Electrophotography
10/19/1989DE3911405A1 Printing plate for electrophotographic plate production
10/18/1989EP0337945A1 Monoketo-pyrrolopyrroles
10/18/1989EP0337683A2 Control of selenium alloy fractionation
10/18/1989EP0337476A2 New phthalocyanine crystal, process for manufacture thereof and its use for electrophotographic photosensitive material
10/18/1989EP0337318A1 Electroconductive elements
10/18/1989EP0337307A2 Electrophotographic photoreceptor
10/17/1989USRE33094 Electrophotographic member with alpha-si layers
10/17/1989US4874866 Photographically useful chalcogenazoles, chalcogenazolines, and chalcogenazolinium and chalcogenazolium salts
10/17/1989US4874682 Organic photoconductors with reduced fatigue
10/11/1989EP0336700A2 An electrophotographic photosensitive member
10/11/1989EP0336213A2 Silicium naphthalocyanines, and thin radiation-sensitive coatings containing these compounds
10/11/1989CN1036276A Process for preparing positive and negative images using photohardenable electrostatic master
10/10/1989US4873436 Nondestructive readout of a latent electrostatic image formed on an insulating material
10/10/1989US4873165 And contaning an element capable of forming tetrahedral bond; improved hardness; does not produce blurred images
10/10/1989US4873164 Electrophotographic photoreceptor comprising a charge transport medium and a bis-azo compound containing oxygen
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