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Patent Searching and Data


Matches 151 - 200 out of 13,323

Document Document Title
WO/1995/000883A1
A dry toner powder of which the powder particles are electrostatically or magnetically attractable and suitable for use in the satin-look development of electrostatic charge images or magnetic patterns and wherein the composition of said...  
WO1994022058A3  
WO/1994/028466A1
A first releasable transfer layer (12) is attached to the surface of an electrophotographic sensitive member (11), and a toner image (3) having at least one color is formed on the first transfer layer (12) by an ordinary electrophotograp...  
WO/1994/023346A1
This method comprises the steps of (i) providing a peelable transfer layer (12) on an electrophotographic sensitive material (11) made up of at least a supporting member (1) and a photosensitive layer (2); (ii) forming a toner image (3) ...  
WO/1994/023345A1
A color copy of high-definition and high quality can be easily and stably obtained without any color misregistration, and also, a color image with stable preservability can be formed. On the surface of an electrophotographic photosensiti...  
WO/1994/022667A1
A novel process is disclosed for the manufacture of protected, distortion-free, full-color electrographic images for use on large format posters, billboards and the like. A novel electrographic element (10) is also disclosed which includ...  
WO/1994/022058A2
A method for making security documents using an electro-photographic printer, particularly a photocopier or laser printer, includes the step of exposing the printed image to an accelerator, in liquid or vapour form. Under the influence o...  
WO/1994/015263A1
The invention is a process for printing full colour images with no discernible loss of quality from an initial image carrier onto the surface of diverse media, including paper, card, cardboard, glass, metal, wood, plastics materials and ...  
WO/1994/002887A1
A homogeneous liquid composition, for use in the preparation of lliquid toners containing at least one charge director and in which the electrical properties of the charge director(s) is/are stabilized, comprises: (1) insulating non-pola...  
WO/1993/016418A1
A method of producing an electrophotographic form plate which has high process image quality and high printing image quality, keeps stable performance for a long period of continuous operation, and is suitable for scanning exposure by a ...  
WO/1993/014446A1
Recording paper (15) consisting of a plurality of pieces of laminated non-carbon paper is fed to, transferred through and discharged from a magnetic printing apparatus in which a demagnetizer (2) as a latent image eraser, a magnetic head...  
WO/1993/013462A1
A method of forming electrophotographic transfer images, capable of perfectly transferring a color toner image to an object material without causing the colors of the image to stagger and the quality of the transferred image to lower, wh...  
WO/1993/007542A1
An electrostatic latent image is formed on a substrate (photosensitive member) by a Carlson process, etc, and is developed by a solid developing agent prepared by dispersing colorant particles in a dispersion medium which remains solid a...  
WO/1993/007541A1
An imaging process including the steps of: sequentially forming a series of electrostatic latent images on a photoconductor surface; sequentially developing the series of electrostatic latent images with a plurality of toners at least on...  
WO/1993/000615A1
The constitution and composition of a back layer of the original plate is improved, and thereby printing on a large number of sheets can be executed without scumming and ruck by using the original plate. The original plate has at least a...  
WO/1992/022019A1
A toner image is transferred to a heat softened thermoplastic outer layer (21) of a receiving sheet (20). The toner is transferred from an image member (1) predominantly by heating the receiving sheet to a temperature which both softens ...  
WO/1992/018909A1
A non-magnetic component developing method. This method is employed for an electrophotographic copying machine and an electrophotographic printer, and has the object of maintaining good printing quality for long periods of continuous pri...  
WO/1991/020156A1
An electrical image signal is produced by an electrographic process including the steps of forming a differential voltage pattern (8); developing the voltage pattern with a luminescent toner (12); exciting the developed image to emit rad...  
WO/1991/015813A1
An electrostatic image transferring system for producing a copy of an electrostatic image on a sheet (27) is disclosed which incorporates gravure printing techniques. A toner roller (20) disposed adjacent to an electrostatic image-bearin...  
WO/1991/014207A1
A process is provided for providing a non-electrostatically transferred toned image. From the surface of an element, the image is thermally transferred by contact to the face of a thermoplastic film that is strippably laminated to a pape...  
WO/1991/014208A1
A process is disclosed for making high resolution copies wherein a toned image is formed on a receiver. First, a uniform coating of nonmarking toner particles is transferred to the surface of a receiver. Next, a latent electrostatic imag...  
WO/1991/006897A1
Color toner images are transferred in registry to a receiving sheet (66) held on a transfer drum (18). To facilitate releasing the sheet with the last image the drum surface is roughened, providing at least 0.002 inches between peaks and...  
WO/1991/006044A1
A one-shot color image forming system for producing a color image with one exposure, characterized in that three kinds of color toners capable of transmitting cyan, magenta and yellow therethrough, respectively and adapted to develop col...  
WO/1991/004515A1
In a process for transferring a pattern in the form of an image or text consisting of at least two ordinary printing colours and produced by a printing process on a flat flexible substrate as the primary support to a surfaced pattern sup...  
WO/1991/004153A1
The novel electro-photographically produced offset printing plate comprises an electrically conductive dimensionally stable substrate (A), at least one photoconductive layer (B) and a printing surface (C) composed of hydrophilic, water-b...  
WO/1991/004518A1
A photoconductive layer (5) of a photosensitive member (1) and a charge retaining layer (6) of a charge retain medium (2) are so disposed as to face each other with a predetermined distance (d). After a power source (8) is connected, lig...  
WO/1991/004514A1
In a new process for reversible or irreversible production of an image by the photographic effect of energy on a recordng layer in the presence or absence of an electrical and/or magnetic field, a pattern of surface charges corresponding...  
WO/1991/004516A1
The present invention relates to a process for electrostatographically or magnetographically developing a composite color image onto a receiver substrate using more than one colored magnetic toner composition. The addition of bright colo...  
WO/1991/004517A1
A toning method and member for electrostatography is disclosed. An electrostatic latent image present on a recording member surface is toned by contacting the image with a pre-toner coating present on a carrier element surface while rele...  
WO/1991/003771A1
A dry toner image is embedded in a thermoplastic layer (9) on a receiving sheet (1) by pressing a ferrotyping web (42) against the image in the presence of sufficient heat to soften the layer. Preferably, the layer is preheated and the w...  
WO/1991/003773A1
A toner image carrying thermoplastic layer (10) on a receiving sheet (1) is texturized from the back side of the sheet by positioning the sheet between a smooth hard surface (42) and a texturizing surface (60; 70) with the texturizing su...  
WO/1991/003007A1
A method and apparatus for transferring liquid toner images from an image forming surface (10) to an intermediate transfer member (40) for subsequent transfer to a final substrate (42). The liquid toner images include carrier liquid and ...  
WO/1991/002298A1
A method of using a liquid electrophotographic toner with a permanent master to electrostatically transfer an electrophotographically developed electrostatic image via a reversal photographic process from the permanent master to a receiv...  
WO/1990/013063A1
In a simple, labour-saving process for transferring pictorial motifs from an original (2) to an image carrier (8) such as textiles, plastics, ceramics and similar decorative objects, the original (2) is photocopied onto a motif carrier (...  
WO/1990/011552A1
A selected finish is applied to an electrophotographic print of a photographic negative at a fusing station (90). One of a plurality of finishing rollers (92, 92a, 92b, 92c) is moved into operative engagement with a fusing roller (95) to...  
WO/1990/010894A1
A self-replenishing liquid developer system for an electrostatic imaging system including an insulating non-polar carrier liquid, toner particles dispersed in the carrier liquid, at least one charge director compound having a limited sol...  
WO/1990/010257A1
This invention discloses a printed metal container having an organic resin coating film layer containing titanium oxide having photosensitivity characteristics of I x t¿1/2? < 100 mW.sec/cm?2¿ (where I is the optical intensity and t¿1...  
WO/1990/008041A1
A dye donor sheet which comprises a dye resisting substrate (1) of paper or aluminium foil coated with a release layer (2) coated with a layer (3) of sublimation dye, and a photocopy of other substrate sheet (5) bearing thermoplastic pri...  
WO/1990/008348A1
An improved liquid toner composition for developing latent electrostatic images comprising toner particles, a release agent and a nonpolar dispersant liquid. An agent causing an apparent increase in the cohesivity of the toner particles ...  
WO/1990/008349A1
A method and apparatus for applying liquid toner to fractional areas of a photoconductive recording member in processes involving microimagery. The method includes the steps of providing a photoconductor (14) disposed over a conductive s...  
WO1989012258A3  
WO/1990/005942A1
An image having enhanced cohesiveness is provided by treating the image with heat, ultraviolet radiation or chemical agents prior to transfer of the image from a photoconductor. Treating the developped image improves the efficiency of tr...  
WO1989012257A3  
WO/1990/004810A1
In a conventional color electrophotographic method using a single transfer system, a color toner which cannot provide the highest image density until as many as four to six toner layers are superposed has been employed. Therefore, the co...  
WO1990002977A3  
WO/1990/002975A1
A process for decoating organic photo-conductor plates have a first soaking step in which an aqueous developer solution is applied to the plate to soften but not remove the coating and a second, washing step in which water is applied to ...  
WO/1990/002977A2
Apparatus for fusing a thermoplastic image onto a substrate comprising a fuser element comprising a thin fusing member and apparatus for tensioning the thin fusing member.  
WO/1990/002363A1
An electrographic luminescent amplification process is described which includes the steps of: (a) forming a low amplitude differential voltage pattern on a photoconductor; (b) developing the low amplitude differential voltage pattern wit...  
WO/1990/001730A1
A multicolor reproduction is made by uniformly charging a photoconductive member (2), imagewise exposing that member to create a first electrostatic image, developing the first electrostatic image with a toner of a first color to create ...  
WO/1989/012258A2
An imaging process which comprises the steps of developing an image with liquid toner including a liquid carrier and fusing and fixing the image by the application of energy thereto, where at least the following conditions: the energy ap...  

Matches 151 - 200 out of 13,323