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