Patents for B41N 1 - Printing plates or foils; Materials therefor (6,759)
01/1992
01/22/1992CA2047464A1 Support material for offset-printing plates in the form of a sheet, a foil or a web process for its production and offset-printing plate comprising said material
01/09/1992DE4020046A1 Screen for silk-screen printing - has straight longitudinal threads with transverse threads passing over and under them
12/1991
12/31/1991US5076899 Aluminum alloy support material and process for producing a support for a lithographic printing plate
12/28/1991WO1992000198A1 Framed stencil apparatus
12/28/1991CA2069301A1 Framed stencil apparatus
12/24/1991US5074209 Raised image plate construction with regions of varying stiffness under the image areas
12/18/1991CN2090773U Film wax paper for electronic needle type typewriter (printer)
12/17/1991US5073464 Method of processing electrophotographic lithographic printing plate precursors
12/12/1991WO1991018745A1 Plate stereotyping ink for manufacturing permanent pre-inked tampons
12/11/1991EP0460236A1 Thermal mimeograph process for manufacturing stencil paper
11/1991
11/26/1991US5068165 Lithographic aluminum offset printing plate made according to the dtr-process
11/21/1991EP0456712A1 Screen cylinder and process for the production of such a screen cylinder
11/20/1991CN1056279A Technology for making metal plate with sulfuric paper
11/13/1991EP0455804A1 Lithography plates and method and means for imaging them
11/05/1991CA1291654C Aluminum alloy supporter for lithographic printing plate
10/1991
10/31/1991WO1991016200A1 A rotogravure printing media and methods of manufacturing a rotogravure printing device employing the media
10/30/1991EP0453579A1 Laminated polyester film
10/29/1991US5061565 Comprising a biaxially-stretched polyester having a special energy of crystal fusion; thermosensitivity; resolution; sharpness; uniformity; materials handling
10/27/1991CA2041201A1 Rotogravure printing media and methods of manufacturing a rotogravure printing device employing the media
10/22/1991CA1290941C Film for heat-sensitive mimeograph stencil
10/16/1991EP0452139A2 Urethane polymers for printing plate compositions
10/16/1991EP0451269A1 Resin-treated thin sheet for thermosensitive mimeographic original
10/13/1991CA2040097A1 Urethane polymers for printing plate compositions
10/09/1991CN1055142A Transparent composite film used for plate making
10/08/1991US5054391 Thermal stencil sheet assembly with stencil sheet temporarily detachable from frame
10/02/1991CN2085728U Divided special wax paper with universal limit plate-head for computer printer
10/02/1991CN2085727U Plate paper for leakage printing
09/1991
09/25/1991EP0447544A1 Novel onium salts and the use thereof as photoinitiators.
09/19/1991WO1991013766A1 Thermosensitive stencil paper
09/15/1991CA2057877A1 Heat-sensitive stencil paper
09/12/1991DE4105887A1 Photosensitive lithographic plate with hydrophilic coat - contg. amino phosphoric acid or phosphonic or phosphinic acid or salt, preventing stating and soiling
09/11/1991EP0445207A1 Process and device for forming a resist pattern on a cylindrical object, and an etched metal cylinder obtained using such a resist pattern
09/11/1991CN1013841B Magnetic ink medium and printing method using medium
09/10/1991US5047116 Method for producing liquid transfer articles
09/03/1991US5045697 Directly image printing or form cylinder, and method of imaging
08/1991
08/22/1991WO1991012140A1 Lithographic plates
08/21/1991EP0442532A1 Method for making lithoplate having improved grainability
08/20/1991CA1287772C Printing
08/14/1991EP0440599A1 Lithoplate and method for making same
08/08/1991DE4003093A1 Preparing endless solid, light-sensitive polymeric recording coating - by applying to cylindrical surface in fluid form and rolling during hardening to produce defined surface structure
08/07/1991EP0440079A2 Process for producing an endless photosensitive polymeric recording layer for the production of endless printing forms
08/07/1991EP0439960A2 Mesh fabric for screen printing, process for preparing the same, gauze spanning method thereof and photosensitive film for screen printing plate by use thereof
07/1991
07/30/1991CA1287013C Aluminum alloy support for lithographic printing plates
07/24/1991EP0437623A1 Aqueous emulsion
07/02/1991US5028276 Aluminum Alloys
07/02/1991CA1285417C Lithographic plate
06/1991
06/26/1991EP0434595A2 Backing laminate for flexographic printing and process for making same
06/23/1991WO1991009742A1 Thermosensitive stencil paper
06/21/1991CA2018898A1 Backing laminate for flexographic printing and process for making same
06/19/1991EP0432211A1 Process and apparatus for producing printing plates.
06/12/1991EP0431054A1 Lithography plates and method and means for imaging them
06/12/1991EP0191866B1 Photosensitive resin printing material for letterset printing
05/1991
05/30/1991WO1991007514A1 Aluminium alloys suitable for lithographic printing plates
05/29/1991WO1991008108A1 Lithography plates and method and means for imaging them
05/22/1991EP0428069A2 Process for printing a printed pattern on a display support and printing roll therefor
05/21/1991US5017448 Electrophotographic lithographic printing plate precursor
05/16/1991WO1991006434A1 Resin-treated thin sheet for thermosensitive mimeographic original
05/15/1991WO1991007279A1 Laminated polyester film
05/08/1991CA2029371A1 Apparatus for applying a stencil film to a screen printing screen
04/1991
04/24/1991EP0423402A1 Thermoplastic polymeric film
04/23/1991US5009722 Process for producing base material for an aluminum offset printing plate
04/17/1991CN2075137U Composite plate material for lithographic printing
04/11/1991WO1991006039A1 Novel onium salts and the use thereof as photoinitiators
04/11/1991CA2039703A1 Onium salts and the use thereof as photoinitiators
04/09/1991US5006447 Photosensitive resin plate for flexography
04/09/1991US5006434 Photohardenable electrostatic element with improved environmental latitude
04/09/1991US5006433 Printing plate precursors for electrophotographic plate-making purposes
04/09/1991US5005479 Method and apparatus for imaging printing plates by spark discharge
03/1991
03/19/1991US5001029 Electrophotographic lithographic printing plate precursor
03/13/1991EP0417014A2 Picture forming apparatus
03/05/1991CA1280997C Process for the electrochemical roughening of aluminum for use inprinting plate supports
02/1991
02/26/1991US4996131 Offset plate with thin chromium layer and method of making
02/20/1991CN1011679B Film for heat-sensitive stencil sheet
02/07/1991DE3925509A1 Printing wheel - has ceramic coating having engraved pattern embedded in groove in support wheel with side cheeks to prevent any side stripping of coating
01/1991
01/30/1991CN2070238U Photothermal form making machine
01/16/1991EP0408393A2 Screen printing method
01/11/1991WO1991000873A1 Aqueous emulsion
01/09/1991EP0406884A2 Film for use as thermosensitive stencil printing cardboard sheet
01/01/1991US4981746 Protective coating
12/1990
12/19/1990CN1010897B Hydrophilic base material of offset plate, manufacture process and use
12/12/1990CN2067220U General-purpose forme and its carrier
12/11/1990US4977049 Photoconductive zinc oxide in binder
12/11/1990US4976198 Grain structure for lithographic printing plate supports
12/05/1990EP0400671A2 Heat-sensitive stencil sheet
12/05/1990EP0400621A2 Method for producing liquid transfer articles
12/05/1990EP0400595A2 Forme cylinder in an offset printing machine for a direct image transfer
12/04/1990US4974513 Thermosetting recording layer containing inorganic pigment, binder, thermofusible material, and silicon oil
11/1990
11/28/1990EP0399053A1 Polyester composite mono-filament for screen gauze
11/22/1990EP0398163A2 Thermal stencil sheet assembly with stencil sheet temporarily detachable from frame
11/21/1990CN1047149A Photohardenable electrostatic element with improved environmental latitude
11/20/1990CA1276583C Process and device for the production of silkscreen fabrics for silkscreen cylinders
11/20/1990CA1276500C Laminated printing plate apparatus and method
11/14/1990EP0397529A2 Photohardenable electrostatic element with improved environmental latitude
11/13/1990US4970133 Presensitized imaging element suitable for use as a lithographic printing plate with single hydrophilic layer which includes a light-sensitive diazonium salt and tetraalkyl orthosilicate cross-linking agent
11/12/1990CA2016389A1 Photohardenable electrostatic element with improved environmental latitude
11/07/1990EP0396114A2 Liquid transfer articles and method for producing them
10/1990
10/31/1990EP0394924A2 Photosensitive lithographic printing plate requiring no wetting water
10/25/1990DE3911932A1 Rotary printing machine - with built in preparatory facility to produce printing cylinders
10/24/1990CA2015189A1 Photosensitive lithoraphic printing plate requiring no wetting water
10/18/1990DE3911934A1 Printing plate with non-printing area - has colour retaining pattern applied to hydrophilic support base
1 ... 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68