Matches 101 - 150 out of 220 < 1 2 3 4 5 >
Match Document Document Title
5053319 Aqueous solutions of oleophilic compounds  
An aqueous lithographic conditioner solution or fix composition for use with lithographic plates made by the silver salt diffusion transfer process comprises (a) an oleophilic argentophile, (b) a...
4996135 Desensitizing gum lithographic plate finisher  
A desensitizing gum lithographic plate finisher comprises water-soluble starch modified with urea-phosphoric acid containing 0.01 to 3% by weight of bound phosphorus and having a viscosity...
4968584 Method for making lithographic printing plate  
A method for making lithographic printing plates which comprises imagewise exposing a presensitized plate for use in making lithographic printing plates to light, then developing and thereafter...
4965168 Silver master plate recovery solution  
A silver master plate recovery solution for a silver salt photographic plate for offset printing is disclosed which comprises (a) a hydrazine component for reducing the silver oxide layer of an...
4891302 Method of preparing a contoured plate  
Method of preparing a contoured plate by selectively hardening a photopolymer plate in a zone which is adjacent the lower surface of the plate and increases continuously in thickness from one...
4833486 Ink jet image transfer lithographic  
An ink jet image transfer lithographic apparatus is coupled to a source for supplying graphics and textual material to an ink jet printhead. The ink jet printhead melts a hydrophobic solid ink and...
4729310 Printing method  
A printing system incorporating a re-usable ink image transfer surface. A material which forms a thin hydrophobic layer is arranged by various techniques over a substantially hydrophilic transfer...
4717583 Material and process for retouching offset plates  
A material is provided for adding image areas to grained lithographic offset plates. A polyester resin with imbedded fibers changes the surface characteristics of the printing plate from an oily...
4663212 Resinous polymer printing  
Inks containing at least one keto-ether, such as 4-meth-4-methyl-2-pentanone, are able to print on resinous block copolymers, such as butadiene/styrene block copolymer, having an anti-blocking...
4567131 Lithographic printing plates  
A lithographic printing plate having metallic silver image areas is treated with a proteolytic enzyme and an oleophilizing compound to improve ink receptivity.
4503111 Hydrophobic substrate with coating receptive to inks  
A recording material, comprising a hydrophobic substrate material with a polymeric coating, has excellent receptivity for inks that do not normally wet hydrophobic substrates. The substrate...
4389476 Barrier coat for electrostatic master  
A method for the preparation of electrostatic masters, and product prepared thereby, said masters having improved water and pick resistance for lithographic printing. The method comprises applying...
4380196 Plate for lithography or offset printing  
A plate for lithography or offset printing comprising a flexible substrate and a water-resistant coating layer formed on the flexible substrate, said water-resistant coating layer being composed of...
4340659 Electrostatic masters  
An electrostatic master having improved water, cockle and pick resistance for lithographic printing, and method for making the same, comprising a base, a barrier coat applied to said base, and a...
4340509 Composition, concentrate and fountain solution for lithographic printing operations  
This invention is directed to a composition useful for making a fountain solution for lithographic printing operations which comprises trisodium phosphate, sodium metasilicate, tetrapotassium...
4301232 Method of producing continuous tone gradation prints  
A method for producing prints having continuous tone gradation which includes the steps of selectively placing solvents on a semi-opaque substrate having a surface altering the surface of the...
4292397 Method for preparing dry planographic plates with plasma  
The invention provides a novel planographic printing plate suitable for dry planographic printing without supply of dampening water and a method for the preparation thereof. The inventive printing...
4245555 Electrostatic transfer process for producing lithographic printing plates  
A system for producing lithographic printing plates by image transfer from either a right way or a wrong way reading recording member, which comprise a conductive base having first and second...
4233110 Process for etching and preparing nickel-polyester offset printing plates  
Process for etching a nickel-polyester layered offset plate, which is made by electroless nickel-plating of polyester and subsequently coated on the nickel-layer by a photoresist layer. After...
4230792 Lithographic printing plate from silver halide emulsion  
The present invention provides a lithographic printing plate, which is made by exposing a photographic material having a silver halide photosensitive emulsion layer, developing the exposed material...
4223087 Method of making plate oleophilic  
A photolithographic plate, method for preparation thereof, and salt compound useful in the preparation, the method involving the treatment of a metallic silver image on a substrate with a...
4217242 Process for preparing an improved anti-oxidant gum composition for lithographic plates  
Provided is a process for preparing an improved gum formulation useful for preventing oxidation in exposed and developed lithographic printing plates. The gum so produced exhibits reduced foaming...
4191569 Treating developed lithoplate with oleophilic composition  
A positive working radiation sensitive plate is image-wise exposed, developed and desensitized, and dried. Thereafter an oleophilic composition including a solvent capable of softening the image is...
4178179 Electrophotographic master conversion solution  
A conversion solution for zinc oxide coated electrophotographic master printing plates is provided containing triethylenetetramine or ethylenediamine which replaces the normally used ferrocyanide...
4170687 Planographic printing plate for dry printing  
Planographic printing plates for use without fountain solution, and especially suitable for imaging with an electrophotographic toner, have a surface containing a fluorinated polyurethane. In use...
4150623 Method and apparatus for correcting printing plates  
A method and apparatus for adding ink receptive areas to or removing ink receptive areas from printing plates in which a consumable stylus, such as a graphite pencil "lead," or a non-consumable...
4147545 Photolithographic developing composition with organic lithium compound  
A developer composition for photosensitive coatings on substrates, particularly lithographic printing plates sensitized with substantially water-insoluble diazonium compounds, which is comprised of...
RE29893 Lithographic printing plate and method of making the same  
In a lithographic printing plate comprising a base and a lithographic printing surface thereon, said printing surface comprising colloidal silica and an insolubilized hydrophilic polymer, the...
4101322 Lithographic plate ink receptivity improving composition and method  
A composition for improving the ink receptivity of lithographic printing images comprises an organic solvent liquid capable of softening the surface of the printing image and a film forming...
4068588 Printing using an electrochromic image  
A display and printing method using an electrochromic imaging material. The electrochromic material forms a colored image in response to the formation of an image pattern on a photoconductive...
4062682 Fixer compositions used in planographic printing containing onium compounds  
A method for the preparation of a planographic printing plate wherein a sheet material comprising an outer hardenable hydrophilic colloid layer on whose surface is concentrated a visible silver...
4024085 Gum removing solution for lithographic plate  
A gum removing solution for a lithographic plate containing at least one compound selected from the group consisting of compounds containing ##STR1## linkage where M represents a hydrogen atom, an...
4019437 Planographic printing master  
A novel printing master and method for producing the same as disclosed, which comprises coating a suitable substrate with an uncured silicone gum, followed by the adherence thereto of a particulate...
4009032 Process for preparing waterless printing masters comprising copolymer of siloxane and thermoplastic blocks  
Improved waterless lithographic plates are provided. The master which comprises a copolymer of siloxane blocks crosslinked to an elastomeric ink releasing condition and organic thermoplastic blocks...
4003312 Preparing waterless lithographic printing masters by ink jet printing  
Novel means for preparing waterless lithographic printing masters by ink jet imaging means are provided. A master is provided by depositing a silicone or other material which can be rendered ink...
3999481 Method for making a master  
A master is formed on a photoconductive surface by first forming an electrostatic charge pattern on the imaging member and developing the charge pattern to form an image of electroscopic marking...
3993839 Printability improvers for molded synthetic resin products  
Printability improving agents for molded synthetic resin products comprising organosiloxy titanic acid esters prepared by co-condensation of a titanic acid ester having the formula Ti(OR 1 ) 4 ...
3989522 Manufacture of a planographic printing plate by making silver halide areas of emulsion oleophicic  
A method for the preparation of a planographic printing plate wherein a photoexposed and developed photographic material containing a pattern of poorly water-soluble silver salt is treated with an...
3963338 Low profile episcopic projector and opaque materials therefor  
A large copy projector, in which the presence of elevated optics in front of the screen is avoided, uses opaque sheeting that is adapted to receive related graphic matter on its upper and lower...
3961955 Printing process capable of reproducing continuous tone images  
Continuous tone images are reproduced on a plate having metallic images adherently and preferably conductively bonded to a physically roughened support by contacting with a photographic physical...
3951063 Process for preparing reversible cure waterless lithographic masters  
A process is provided for forming waterless lithography printing masters comprising depositing a particulate image pattern on a non-tacky rubbery uncured silicone polymer, converting the non-tacky...
3949142 Dry planographic plate  
A new dry planographic plate having a non-ink receptive silicone rubber background area that does not require a fountain solution to repel printing ink and process of producing this new plate...
3919938 Permanent electrostatic master  
A method of producing multiple copies from a permanent master containing a latent image produced by aligning anisotropic particles in the presence of an image electrostatic field. The permanent...
3904412 Method for the preparation of planographic printing plates from silver images  
A method for the preparation of a planographic printing plate wherein a sheet material comprising an outer hardenable hydrophilic colloid layer on the surface of which is concentrated a silver...
3884149 Printing process including physical development of the printing plate image  
Metal imaged media such as printing plate or printed circuit boards are produced by (a) forming a catalytic nuclei image on a copy medium; (b) uniformly and rapidly wetting the copy medium with a...
3862848 Transfer of color images  
An electrostatic method for the reproduction of printed matter in which an electrostatic latent image is developed by the attraction of electroscopic marking particles thereto and is then...
3861915 BLOCK COPOLYESTERS OF POLYSILOXANES AS ADDITIVES TO PHOTOCONDUCTIVE LAYERS  
Solvent soluble block copolyesters consisting essentially of units having the formula: ##SPC1## Wherein R is an alkylene radical containing at least 3 carbon atoms; R 1 is an alkyl radical and R 2...
3856524 PHOTOGRAPHIC ELEMENTS AND PROCESSES FOR PROVIDING TANNED IMAGE RECORDS  
Photographic elements are disclosed which comprise a support having thereon a light-sensitive photographic metal salt and a hydrophilic colloid wherein said element also contains a cobalt(III) ion...
3853558 PRODUCTION OF COPPERIZED ETCHED ALUMINUM PRINTING PLATES  
Production of copperized deep-etched aluminum printing plates for use in offset printing by a procedure in which, after the aluminum plates are coated with a light-sensitive compound, exposed to...
3849134 COPPER (I) SALT-HYDROPHILIC BINDER LITHOGRAPHIC IMAGES  
A lithographic printing plate having an ink-receptive image comprising a hydrophilic colloid binder, an insoluble salt or complex of copper (I) with an oleophilogenic compound, and metallic silver...
Matches 101 - 150 out of 220 < 1 2 3 4 5 >