Matches 1 - 50 out of 225 1 2 3 4 5 >
Match Document Document Title
7592128 On-press developable negative-working imageable elements  
The present invention relates to negative-working imageable elements that can be used for the manufacture of printing plates. These imageable elements can be developed on on-press by the action of...
7469636 Printing unit for a press  
A printing unit having at least one press unit, the, or each, press unit having at least one form cylinder, a transfer cylinder, an inking unit and preferably a damping unit, and having at least...
7467587 Method for accurate exposure of small dots on a heat-sensitive positive-working lithographic printing plate material  
A method is disclosed for accurate reproduction of high-quality halftone images comprising microdots by means of lithographic plate materials which comprise a heat-sensitive positive-working...
7467586 System for driving damping rollers in rotary printing machines  
A system for driving the damping roller in rotary printing machines. The system has a driving mechanism for the damping roller, while the plate cylinder is being driven separately by an individual...
7461594 Printing plate material, printing plate manufacturing method, and printing method  
A printing plate material having an aluminum support on which an image forming layer is provided, wherein a wireless IC tag is provided on a part of the printing plate material.
7380500 Process for the offset printing of patterns via the fountain medium  
A process for the offset printing of a receiving medium with a functional pattern comprising in any order the steps of: applying a printing ink to a printing plate and wetting the printing plate...
7285376 Correction process of planographic printing plate  
Disclosed are a process of correcting a planographic printing plate with an image, and a correction solution for correcting the planographic printing plate; the process comprising the steps of...
7276109 Fountain solutions containing antipiling macromolecules  
Piling due to ink, paper fibers and/or clay fillers occurs frequently during an offset printing process, resulting in the deterioration in print quality and lost manual time due to the necessity to...
7240615 Self-dampening ink compositions and method for lithographic printing using the same  
A self-dampening ink composition and methods for lithographic printing using a single fluid lithographic ink are provided in the invention in which the composition comprises glycerol in an amount...
7214725 Radiation-curable lithographic inks from multifunctional acrylate oligomers  
The present invention relates generally to radiation-curable ink formulations, and particularly, but not by way of limitation, to a family of radiation-curable ink formulations specifically for...
7214469 Lithographic printing plate precursor and lithographic printing method  
The present invention provides a lithographic printing plate precursor and a lithographic printing method using the lithographic printing plate precursor, which is capable of an image recording by...
7213516 Method of processing laser sensitive lithographic printing plate  
A method of developing a laser sensitive lithographic printing plate with ink and/or fountain solution is described. The printing member comprises on a substrate a photosensitive layer soluble or...
7147988 Printing plate material, roll of a printing plate material and printing method  
A printing plate material including: a plastic support; a hydrophilic layer on the plastic support; and a back layer on the plastic support, being provided on the opposite side to the hydrophilic...
7140297 Printing process and manufacturing process of printing plate material  
Disclosed is a printing process employing a printing plate material obtained by providing, on a support, a coating solution for an image formation layer capable of forming an image by heating, the...
7114443 Method of delivering a fountain solution  
A method of preparing a fountain solution, a system for blending two or more concentrate components of a fountain solution, concentrate compositions, and articles of manufacture or kits comprising...
7100503 Method and device for producing different printed images on the same print substrate  
In a method and system to generate a print image on a carrier material, the surface of a print substrate is covered with at least one of an ink-repelling and an ink-attracting layer. In a...
7089856 On-press development of thermosensitive lithographic printing member  
Method of on-press developing a thermosensitive lithographic printing member with ink and/or fountain solution is described. The printing member comprises on a substrate a thermosensitive layer...
7066087 Dampening water feeding method and printing machine  
Densities of detecting patches also called control scales printed on prints in a first print job are used to control the feed rate of dampening water in a second print job following the first print...
7059246 Process for obtaining image information of an illustrated printing form, device for this and printing press  
A process is provided for obtaining or refreshing the illustration of a printing form, preferably in wet-offset printing. Instead of clearing the illustration over the entire area, the printing...
7017490 Lithographic fountain solutions  
Lithographic fountain solutions containing a surfactant-effective quantity of at least one reaction product comprising the following reactants: (A) at least one compound of formula I ...
6976428 Wet offset printing form  
A wet offset printing form has a top layer containing a photocatalytically and thermally modifiable material. The material can be brought photocatalytically into a hydrophilic state by irradiation...
6924085 Photoresist coatings for copper clad stainless steel printing plates  
A copper clad metal printing plate can be coated with an azide-containing photoresist comprising a polyformal resin together with a modified polyformal resin that has up to 100% of its hydroxyl...
6868786 Patterning method with micro-contact printing and its printed product  
A patterning method for micro-contact printing involves the steps of: applying a resin on a master having projected patterns, hardening the resin and thereafter removing the hardened resin from the...
6854391 Lithographic printing method and materials  
A conditioner composition for a printing plate with metallic non-print areas on the printing surface contains a polymeric or oligomeric component. The polymeric component adheres to the metal...
6846613 Positive-working lithographic printing plate precursors  
A positive-working printing plate precursor for wet lithographic printing is disclosed which comprises a support having a hydrophilic surface and a coating comprising a first layer closest to the...
6844140 Method for reducing start up blinding in no-process lithographic printing plates  
A method for reducing start up blinding in no-process lithographic printing plates is disclosed. An imageable element, comprising an imageable layer over a substrate, is thermally imaged. The...
6840175 Lithographic printing method using a single fluid ink  
A planographic printing apparatus and method is provided for single fluid lithographic printing using a plate cylinder having a generally neutral pH hydrophilic material in the non-image areas.
6823790 Lithographic printing method, ink supplying apparatus, and printing press  
A lithographic printing method of supplying emulsion ink to a lithographic printing plate via a form roller, and disrupting emulsion on the form roller. The degree of the emulsion's disruption...
6770427 Damping solution for offset printing plates and method and device for the preparation thereof  
Humidifying solution for offset printing sheets and method and device for its preparation. The solution is formed by between 95% and 97% of water and between 3% and 5% of an additive which...
6745693 Variable data lithographic printing device and method  
A variable data lithographic printing device comprises surrounding a printing cylinder a photosensitive layer coater, an exposure source, optionally a developer, an inking applicator, optionally a...
6652631 Dampening water composition for lithographic printing plate and lithographic printing process  
A dampening water composition for a lithographic printing plate including at least one compound represented by formula (I) and at least one compound represented by formula (II): wherein R 1 ...
6593055 Multi-layer thermally imageable element  
Multi-layer thermally imageable elements, useful as a lithographic printing plate precursors, are disclosed. The elements contain a top layer, an absorber layer that contains a photothermal...
6495310 Lithographic plate having conformal overcoat and photosensitive layer on a rough substrate  
The present invention provides a lithographic printing plate comprising on a roughened substrate a substantially conformal photosensitive layer and a substantially conformal overcoat. The...
6465152 Imaging member containing heat sensitive thiosulfate polymer on improved substrate and methods of use  
An imaging member is composed of a hydrophilic imaging layer having a hydrophilic heat-sensitive polymer containing heat-activatable thiosulfate groups, and optionally a photothermal conversion...
6245486 Method for imaging a printing plate having a laser ablatable mask layer  
This patent describes a method of imaging a printing plate comprising on a substrate a photosensitive layer and a top laser ablatable mask layer. The method includes imagewise exposing the plate...
6136503 Imaging cylinder containing heat sensitive thiosulfate polymer and methods of use  
An imaging member, such as a printing cylinder, is composed of a hydrophilic imaging layer formed from a heat-sensitive composition (for example, by spray coating) having a hydrophilic...
6125755 Process for printing a carrier material  
In a printing method and system for production of a print image on a carrier material, a print carrier is provided, a surface of which is charged with water vapor at locations corresponding to...
6017673 Lithographic printing plate and treating liquids for such plate comprising a hydrophilic amphoretic block copolymer  
A lithographic printing plate that works according to the silver salt diffusion transfer reversal process is disclosed. The lithographic properties of said plate can be improved by incorporating a...
5985514 Imaging member containing heat sensitive thiosulfate polymer and methods of use  
An imaging member is composed of a hydrophilic imaging layer having a hydrophilic heat-sensitive polymer containing heat-activatable thiosulfate groups, and optionally a photothermal conversion...
5976764 Water-less lithographic plates  
There is described a method of preparing water-less lithographic plate which comprises imagewise exposing a lithographic plate coated with a photosensitive composition, processing the exposed plate...
5957054 Method for dampening a printing form for offset printing  
A method for dampening a printing form for offset printing wherein a quantity of dampener applied to the printing form by transfer rollers is controlled by adjusting the rpm of one of the transfer...
5922512 Processless direct write printing plate having heat sensitive polymer and methods of imaging and printing  
An imaging member, such as a negative-working printing plate, can be prepared using a heat sensitive imaging layer comprised of a heat-sensitive vinyl polymer and optionally a photothermal...
5922511 On the press development of a diazo based printing plate  
According to the present invention there is provided a method for making a lithographic printing plate comprising the steps of: (1) image-wise exposing an imaging element having on a support in...
5897693 Free-flowable powder lithographic fountain solution concentrate and method of use  
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,...
5826514 Introduced in wetting systems for offset printing and a mechanism for their application  
The improvements consist in supplying the wetting system with a water based solution including a determined additive. This solution is subjected, through a mechanism forming a part of this...
5723239 Desensitizing solution for offset printing  
An amine compound-containing, but cyanogen-free, desensitizing solution for offset printing, characterized by containing phytic acid (inositol hexaphosphate) and/or a metal and/or ammonium salts of...
5720800 Fountain solution for lithographic printing  
A fountain solution for lithographic printing is disclosed, which comprises a butylene oxide adduct of alcohol and a pH buffer.
5714302 Method of printing with using lithographic printing plate made by silver complex diffusion transfer process and using dampening composition containing nonionic surface active agent  
The present invention provides a printing method using a silver salt lithographic printing plate obtained by imagewise exposing a silver salt lithographic printing plate precursor comprising a...
5695550 Fountain solution composition  
The present invention is directed to a fountain solution for use in offset printing processes. The fountain solution is formed by diluting a fountain solution concentrate with water in a water to...
5681686 Desensitizing solution for offset printing  
This invention relates to a desensitizing solution for offset printing which is used for desensitizing an original plate for offset printing. The desensitizing solution of the present invention...
Matches 1 - 50 out of 225 1 2 3 4 5 >