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WO/1999/064250A1 |
To remove the metallic outer layer (5) of a gravure printing impression cylinder (1), which layer is provided with ink cells, from the base layer (4) situated beneath it, the outer layer (5) is heated and then cooled. As a result the out...
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WO/1999/062723A1 |
The invention relates to a method for cleaning printing machines or printing moulds, whereby the impurities are removed from the surfaces that are to be cleaned by washing them with a microemulsion containing water, a surfactant and a wa...
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WO/1999/061253A1 |
A plate for screen printing characterized in that it comprises a screen frame and, stretched thereon, a sheet of at least one resin selected from among polyimide, polyether imide, polyphenylene sulfide which sheet is punched by means of ...
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WO/1999/061252A1 |
The invention relates to a combination of a substantially cylindrical carrier for a flexible printing plate and a flexible printing plate, wherein the carrier is manufactured from material which is flexible in at least tangential directi...
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WO/1999/059826A1 |
Provided is a media-fluid material set for use in preparing a waterless lithographic printing plate. The media fluid material set comprises a media with a support that bears a hydrophilic receiving surface having ink-receiving properties...
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WO/1999/056964A1 |
The invention relates to a method for producing security films for valuable objects such as valuable papers. A security film of this type consists of a support film and a cover layer applied thereto, said cover layer being in the form of...
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WO/1999/055538A1 |
A flexible printing plate (10) or continuous roll having at least a printing layer (16) formed of an elastomeric composition including an epoxidized natural rubber (ENR) component and a natural rubber component. The printing plate (10) m...
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WO/1999/054137A1 |
An image forming device comprising a conductive base, a first compound supplying unit for supplying a self-coagulating compound to the surface of the base, a first current applying unit for applying current to the base to form a self-coa...
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WO/1999/050076A1 |
This invention relates to a printing solution for lithographic printing. The printing solution comprises a mixture of alcohol and a fountain solution in which the inorganic constituents within the fountain solution are present in a conce...
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WO/1999/048689A1 |
The effects of interfacial transition between organic and inorganic layers of a lithographic printing member are ameliorated by incorporating an inorganic component within the matrix of the organic layer. In a first aspect, a lithographi...
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WO/1999/046132A1 |
This invention discloses lithographic printing plates having a thin releasable interlayer (20) interposed between a rough and/or porous substrate (10) and a radiation sensitive layer (30). The radiation sensitive layer (30) is bonded to ...
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WO/1999/044838A1 |
A printing member, especially a planographic printing member, comprising a first layer which includes a fibrous material, especially a cellulosic fibrous material or a ceramic fibrous material, and a binder material, for example a resin ...
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WO/1999/041023A1 |
A transfer roll cover has an inner surface (10) made of conductive and elastic material to fit snugly around and make conductive contact with a transfer roll (12), and an outer surface (14) made of looped yarns which are attached to the ...
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WO/1999/041077A1 |
A lithographic printing plate imageable by laser ablation, where debris from the ablated areas (14) is entrained by a non-strippable protective layer (12) removable by dissolution teatment with aqueous solutions thereby preventing the de...
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WO/1999/039916A1 |
The invention relates to a letterpress printing form having a supporting layer (1) and an ink or lacquer transfer layer (2). The invention is characterized in that a protective layer (3) which protects the supporting layer (1) from mecha...
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WO/1999/038688A1 |
A lithographic imaging member, such as a printing plate, has a support having thereon and ink-accepting melanophilic layer and an ink-rejecting siloxane surface melanophobic layer. Within the printing plate is a photothermal conversion m...
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WO/1999/038705A1 |
An imaging member, such as a negative-working printing plate, can be prepared using a heat sensitive imaging layer comprised of a melanophobic, heat-sensitive vinyl polymer and a photothermal conversion material. The heat-sensitive polym...
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WO/1999/037482A1 |
Provided is a positive working, wet lithographic printing member comprising a hydrophilic metal substrate having disposed theron a hydrophilic layer, an ablative-absorbing, ink-accepting surface layer and, optionally, an ink-accepting ov...
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WO/1999/037481A1 |
Provided is a lithographic printing plate comprising a support substrate having disposed thereon an ablative-absorbing layer and, optionally, a durable, ink-accepting surface layer that is not ablative-absorbing. The ablative-absorbing l...
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WO/1999/036270A1 |
A replaceable sleeve (10) having a working surface is provided which is adapted to be mounted on a carrier (12). The sleeve includes an inner polymeric layer (20), a reinforcing layer (22) overlying the inner layer, an intermediate polym...
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WO/1999/032303A1 |
A polymeric film which is substantially gelatin free has a polymeric film substrate and a coating layer containing a polymer having at least one or more repeating units having at least one or more pendant (-P0XY) groups, wherein X and Y,...
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WO/1999/032275A1 |
The invention relates to a form for rotary printing, coating or embossing striplike materials. An elastomer coating (34) is applied to a base (33) with a cylindrical surface shell. When said shell hardens, its outer periphery is machined...
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WO/1999/032302A2 |
Printing rollers and sleeves for printing rollers can be provided with a high quality top coat composition which can improve various properties such as solvent resistance, cut resistance, and thermal stability (with respect to dimensiona...
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WO/1999/022943A1 |
The invention relates to alkyl polyglucosides of the general formula (I) R(G)¿x?, wherein R is a linear, saturated alkyl radical having 8 to 22 C atoms and (G)¿x? is a glucoside radical or oligoglucoside radical having an oligomerizati...
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WO/1999/022937A1 |
A printing press includes an anilox roller (16) having a rigid inner core (98) and a replaceable, resilient, pliable sleeve (100) having ink cells defined in the outer surface thereof. The anilox roller rotates in contact with two spaced...
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WO/1999/021716A1 |
The inventive doctor blade for wiping away excess printing ink from the surface of a printing form (10) has a front section in the form of a blade (3) which interacts with the surface of the printing form (10). In order to avoid the surf...
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WO/1999/021715A1 |
Phenolic resin compositions formulated for use in lithographic exposure processes may be given a heat treatment at 40-90 °C for an extended period shortly after their coating onto lithographic substrates, to produce lithographic printin...
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WO/1999/020700A1 |
A method is disclosed of making a polymerisable printing ink which comprises mixing a powdered polymer with a liquid composition comprising at least one polymerisable monomer or oligomer, said oligomer or monomer being polymerisable and ...
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WO/1999/019143A1 |
An improved lithographic printing plate made by coating a support web with a coextensive ink receptive photothermal conversion layer and then overcoating with an ink repellent layer comprising a cross-linked polymeric matrix containing a...
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WO/1999/017935A1 |
The invention relates to a sleeve (1) for printing machines. An aluminium jacket tube (4) which is provided with interior collar-shaped ridges (5) is shrunk onto a double-layered interior tube (2, 3). This avoids the use of the high-resi...
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WO/1999/014048A1 |
A planographic printing member precursor comprises a first component, for example a hydroxy group containing polymer, and a second component which may be a siloxane or a compound of general formula (I), wherein M represents a silicon or ...
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WO/1999/013695A1 |
A stencil for the deposition of fluid material comprises a sheet of material having in at least two opposite end regions, means engageable by tensioning means and having at least two apertured regions with the apertures thereof provided ...
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WO/1999/011467A1 |
A waterless or driographic printing plate which can be thermally imaged by an infrared laser is composed of a substrate; a thermal imaging layer containing a photothermal conversion material, such as an infrared absorbing material, and a...
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WO/1999/011457A1 |
A lithographic printing surface is prepared using a thermal lithographic printing plate which requires no chemical development to remove areas of the imaged plate. The processless thermal lithographic printing plate has a sheet substrate...
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WO/1999/011468A1 |
A cylindrical printing blanket (50) that is mounted upon a tapered fiberglass reinforced plastic sleeve (1). The printing blanket includes a printing face layer (10), a compressible layer (15) and a reinforcing layer (12) disposed thereb...
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WO/1999/010176A1 |
In order to facilitate removal and replacement of blanket and impression sleeves (52, 90) in a rotary offset printing press, the blanket and plate cylinders (21, 29) are supported in cantilever fashion. The cantilevered cylinders allow a...
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WO/1999/010186A1 |
An image forming material and an image forming method which are capable of accommodating a direct laser drawing method, producing an image of a high resolution easily and performing an image forming operation easily in a bright room, lit...
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WO/1999/008879A1 |
A method of making a mask or an electronic part, for example a printed circuit, comprises the steps of delivering heat in a desired pattern to a precursor of the mask or electronic part, the precursor comprising a surface coated with a c...
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WO/1999/008158A1 |
A pattern forming body for optically forming a pattern, characterized by having a photocatalyst-containing layer on a substrate, the layer containing a material whose wettability is changed by the action of the photocatalyst when the pat...
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WO/1999/006212A1 |
The printing plate mounting method comprises the following stages: applying those plates relative to a certain colour to a sleeve formed from a flexible transparent polymer film which is substantially indeformable in the plane of the fil...
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WO/1999/002343A1 |
There is described a precursor for preparing a resist pattern, said precursor comprising an imageable layer which includes a relatively volatile compound that can be volatilised by application of heat, wherein imaging radiation can be ap...
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WO/1999/001289A1 |
Substantially transparent printing blankets are provided comprising a substantially transparent printing layer (11) disposed upon a substantially transparent support layer (12). The substantial transparency of such printing blankets perm...
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WO/1998/058807A1 |
The invention relates to a damping roller for printing presses and to a method for the production thereof, wherein a heat injected microporous special steel coating is applied to a cylindrical base body. The average pore size of said coa...
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WO/1998/057807A1 |
The lithographic affinity characteristics of a material, such as a polymer, are affected - and thereby selectively modulated - through implantation of one or more metallic materials, typically in the form of ions and/or atoms (or molecul...
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WO/1998/056595A1 |
A free-flowing powder fountain solution concentrate for use in lithographic printing is provided which comprises at least one of a solid ammonium or alkali metal phosphate, a solid polysaccharide, and a preservative. The powder concentra...
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WO/1998/055308A1 |
A lithographic printing plate precursor comprises a grained and anodised aluminium substrate coated with a layer of metallic silver on top of which is applied a composition comprising an oleophilising agent and a proteolytic enzyme. Imag...
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WO/1998/055309A1 |
A method of preparing a lithographic printing plate which involves providing a plate precursor comprising a grained and anodised aluminium substrate coated with a metallic silver layer, imagewise exposing the precursor by means of a high...
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WO/1998/055330A1 |
A lithographic printing plate precursor comprises a grained and anodised aluminium substrate coated with a metallic silver layer which is deposited by means of a silver salt diffusion transfer process in which the developer has a pH of a...
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WO/1998/055307A1 |
A lithographic printing plate precursor comprises a grained and anodised aluminium substrate which has been treated with a solution of water-soluble salt of a Group IVa metal fluoride and over which is provided a metallic layer, preferab...
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WO/1998/055314A1 |
The invention relates to an inking cylinder or moistening cylinder (3) with a fixed rubber liner (13) which is applied without any finishing so that a rubber blanket can be stuck thereon. The invention also relates to a device for applyi...
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