Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7294391 | Contamination resistant fiber sheet A fiber sheet composed of knitted, woven, or non-woven fiber, which is resistant against contamination, and such contamination is easily washed off, and is durable, and suitable for use as materials to make curtains, tapestries, screens, flags, wallpaper, and slidin... | 11/13/2007 |
| 7244540 | Liquid toners comprising amphipathic copolymeric binder having insoluble components in the shell portion thereof The invention provides liquid electrographic toner compositions comprising a liquid carrier having toner particles dispersed in the liquid carrier. The liquid carrier has a Kauri-Butanol number less than about 30 mL. The toner particles comprise polymeric binder com... | 07/17/2007 |
| 7171902 | Direct drawing lithographic printing plate material There is disclosed a direct drawing type lithographic printing plate material comprising a support and an image-forming layer formed on the support, wherein the image-forming layer is formed on a roughened surface of the support and contains a binder and a pigment h... | 02/06/2007 |
| 7121647 | Method of applying an encapsulant material to an ink jet printhead A stencil printed encapsulant material is provided for use in protecting electrical components in thermal ink jet printhead cartridges. A method of applying an encapsulant material to an ink jet print cartridge by stencil printing is also provided. The method includ... | 10/17/2006 |
| 7044053 | Method and materials for improving resolution for ctp-inkjet Improved resolution plates based on hydrophilic organic coated substrates, where a hydrophobic layer is present during inkjet imaging and where after heating to fuse the inkjet image, the hydrophobic layer does not irreversibly fuse into the organic coating, but can... | 05/16/2006 |
| 7026096 | Method for production of support for lithographic printing plate precursor and support for lithographic printing plate precursor A method for the production of a support for a lithographic printing plate precursor that comprises providing on a grained aluminum support having an anodic oxide film formed thereon a layer of inorganic compound particles having a major axis larger than a pore diam... | 04/11/2006 |
| 6843175 | Support for lithographic printing plate and presensitized plate A support for a lithographic printing plate, wherein scum resistance is improved when processed into a lithographic printing plate by performing treatment for water wettablity and, in addition, press life is excellent. A support for a lithographic printing plate, wh... | 01/18/2005 |
| 6783836 | Pretreated sheet product for lithographic plates A lithographic sheet product having a substrate with a roll textured surface covered by a pretreatment layer. The pretreatment layer enhances adhesion of a printing composition to the sheet product and is composed of a polymer selected from the group consisting of p... | 08/31/2004 |
| 6688228 | Planographic printing plate precursor having a support with pits Disclosed is a planographic printing plate precursor, comprising a hydrophilic support and an image forming layer containing oleophilic heat-fusible particles, wherein the hydrophilic support has voids and the void content is 20 to 40 ml/m2.... | 02/10/2004 |
| 6620573 | Processless lithographic printing plate A negative-working heat-sensitive material for making a lithographic printing plate by direct-to-plate recording is disclosed which comprises in the order given a lithographic base having a hydrophilic surface, an oleophilic imaging layer and a cross-link... | 09/16/2003 |
| 6596462 | Printing plate element and preparation method of printing plate A printing plate element is disclosed, comprising a substrate and a component layer containing a first material which is water-insoluble or capable of varying from being water-soluble to being water-insoluble at a prescribed temperature of not less than 6... | 07/22/2003 |
| 6593057 | Heat-sensitive lithographic printing plate precursor A heat-sensitive lithographic printing plate precursor is disclosed, comprising a metal substrate having thereon 1) an ink-receptive layer, 2) a water-receptive layer comprising a colloidal particulate oxide or hydroxide of at least one element selected f... | 07/15/2003 |
| 6576395 | Processless printing plate with high ratio of inorganic pigment over hardener in a hydrophilic layer According to the present invention there is provided a heat-sensitive material for making lithographic plates comprising in the order given on a support an IR-sensitive oleophilic layer and an ablatable cross-linked hydrophilic layer comprising an inorgan... | 06/10/2003 |
| 6555285 | Processless printing plate with low ratio of an inorganic pigment over hardener According to the present invention there is provided a heat-sensitive material for making lithographic plates comprising in the order given on a support an IR-sensitive oleophilic layer and a cross-linked hydrophilic layer comprising an inorganic pigment ... | 04/29/2003 |
| 6508170 | Lithographic plate materials and method for making lithographic plates using the same There is provided a lithographic plate material which can be desensitized by distilled water or a fountain solution used for other lithographic plates, without desensitizing using an etching solution, and with less scumming in non-image portions of the pr... | 01/21/2003 |
| 6472055 | Direct drawing type lithographic printing plate precursor A direct drawing type lithographic printing plate precursor comprising a water-resistant support having provided thereon an image-receiving layer, the image-receiving layer containing: at least one metal oxide hydrate having an average particle size of fr... | 10/29/2002 |
| 6427596 | Method for making corrections on planographic printing plates A method for correcting mistakes and other imperfections in printing members is disclosed. Ink accepting areas of the printing member are rendered non-ink accepting by treatment with a deletion fluid. Deletion fluids include, for example, acids, alkalis, ... | 08/06/2002 |
| 6418850 | Hydrophilized substrate for planographic printing An improved hydrophilized substrate for planographic printing is disclosed. The substrate contains a support and a hydrophilic layer over the support. The hydrophilic layer contains titanium dioxide (titania) particles. In one embodiment, the hydrophilic ... | 07/16/2002 |
| 6357351 | Substrate for planographic printing A method for preparing a substrate for a planographic printing member is disclosed. A liquid that contains water; a soluble alkali metal silicate, preferably sodium silicate; and a dispersed particulate material is coated on a support, to produce a hydrop... | 03/19/2002 |
| 6341560 | Imaging and printing methods using clay-containing fluid receiving element A lithographic imaging member is prepared by applying an ink jetable fluid to a fluid-receiving element that includes a clay-containing fluid-receiving surface layer. This layer also includes a water-soluble binder and a silane hardening agent. The applie... | 01/29/2002 |
| 6293197 | Hydrophilized substrate for planographic printing An improved hydrophilized substrate for planographic printing is disclosed. The substrate contains a support and a hydrophilic layer over the support. The hydrophilic layer contains titanium dioxide (titania) particles. In one embodiment, the hydrophilic ... | 09/25/2001 |
| 6283029 | Direct drawing type lithographic printing plate precursor A direct drawing type lithographic printing plate precursor comprising a water-resistant support having provided thereon an image-receiving layer, the image-receiving layer being formed from a dispersion comprising: an inorganic pigment comprising silica ... | 09/04/2001 |
| 6240846 | Recording material comprising a substrate and a ceramic layer applied to a surface of the substrate A ceramic layer comprising aluminum oxide and a silicate compound is applied to a substrate of a printing plate, with the silicate compound acting as a binder to ensure adhesion of the ceramic layer to the substrate.... | 06/05/2001 |
| 6182571 | Planographic printing A method for forming a planographic printing member is disclosed. A hydrophilic layer is formed on a support by contacting the support with a silicate solution that contains a silicate and a particulate material. An image layer is provided over the hydrop... | 02/06/2001 |
| 6138568 | Planographic printing member and process for its manufacture A planographic printing member comprising a substrate, an oleophilic layer, an infra-red sensitive/ablatable layer, and a hydrophilic layer. The hydrophilic layer is derived from a silicate solution, optionally containing particulate materials such as alu... | 10/31/2000 |
| 6125756 | Erasable printing plate having a smooth pore free ceramic or glass surface A printing plate which can be repeatedly directly provided with an image and erased and is suitable for a wet offset printing method. The printing plate has a smooth and pore-free surface which is hydrophilic or can be hydrophilized after being provided w... | 10/03/2000 |
| 6105500 | Hydrophilized support for planographic printing plates and its preparation A method for preparing a substrate for a planographic printing plate is disclosed. A liquid that contains water; a soluble alkali metal silicate, preferably sodium silicate; and a dispersed particulate material is coated on a substrate, preferably aluminu... | 08/22/2000 |
| 6019045 | Process for the preparation of ink jet process printing plate The present invention provides a process for the preparation of a hot-melt ink jet process printing plate capable of printing many sheets of printed matters having a sharp image quality free of background stain. The present invention concerns a novel proc... | 02/01/2000 |
| 5996497 | Method of making a durable hydrophilic layer A method of making a porous, hydrophilic layer with a high surface energy on a substrate for a printing plate, ink jet receiver or the like by the steps of grinding an inorganic gel containing a liquid to provide a fine coatable dispersion of inorganic ge... | 12/07/1999 |
| 5970873 | Imaging and printing methods to form imaging member by formation of insoluble crosslinked polymeric sol-gel matrix An imaging member can be prepared by imagewise application of a mixture of a sol precursor in a liquid to a suitable substrate. Application is preferably accomplished by ink jet printing. Upon removal of the liquid, such as by drying, an insoluble, crossl... | 10/26/1999 |
| 5927207 | Zirconia ceramic imaging member with hydrophilic surface layer and methods of use Long wearing lithographic imaging members are prepared from a zirconia ceramic layer having thereon a hydrophilic, non-crosslinked water-insoluble surface layer. This surface layer is ablatable using imaging apparatus such as a laser, and the surface ener... | 07/27/1999 |
| 5841521 | Method and apparatus for obtaining a lithographic plate An apparatus for making a lithographic printing plate according to the silver salt diffusion transfer process image-wise exposes an imaging element with a high intensity short time scanning exposure. The imaging element comprises on a support in the order... | 11/24/1998 |
| 5460918 | Thermal transfer donor and receptor with silicated surface for lithographic printing applications A thermal transfer system for transferring material in an imagewise manner by means of thermal transfer printing from a donor element to an image receiving element is used to prepare printing plates. In one construction, a donor element, which is prepared... | 10/24/1995 |
| 4414315 | Process for making lithographic printing plate Process for making a lithographic printing plate having an oleophilic amplified image prepared by (a) providing a silicated aluminum substrate with a hydrophilic, anionic, negatively charged surface and a layer on said surface of a light sensitive, cation... | 11/08/1983 |
| 4272604 | Base plate and lithographic plate prepared by sensitization thereof A base plate adapted to be coated with a light-sensitive diazo resin, and a lithographic plate which may be prepared therefrom. The base plate includes a substrate comprising a metal support and having a water-wettable, hydrophilic surface. Over the subst... | 06/09/1981 |
| 4258122 | Process for preparing lithographic printing plate using silicate containing-desensitizer A desensitizer for a lithographic printing plate, which contains: (i) at least one silicate represented by the general formulae (I), (II) and (III) (ii) at least one wetting agent; (iii) a hydrophilic colloidal material; and (iv) water, and a process for preparing ... | 03/24/1981 |
| 4252879 | Image recording material having optically different particles An image recording material formed with a support, a photosensitive composition layer formed on the support, and a mono-particle layer of solid particles of different optical transmittances formed on the photosensitive composition layer. When the recordin... | 02/24/1981 |
| 4238560 | Photosensitive printing plate forming material having a novel matting layer composition A photosensitive printing plate forming material having on its surface a matting layer composed of a resin and a fine particulate material dispersed therein, said resin being at least one member selected from rosin and rosin esters.... | 12/09/1980 |
| 4183788 | Process for graining an aluminum base lithographic plate and article thereof Planar surfaces are roughened by graining with an aqueous slurry of unfused platy, crystalline alumina. Preferably, an aluminum base with is adapted to receive a light-sensitive coating thereon to make lithographic plate is grained with said aqueous slurr... | 01/15/1980 |
| 4177072 | Process for preparing a lithographic printing plate with a thiourea wetting solution A process for preparing a lithographic printing plate, which has excellent printability, durability and stability, which comprising imagewise irradiating a lithographic printing plate material comprising a support having thereon a light-sensitive layer compris... | 12/04/1979 |
