| Patents for B41M 3 - Printing processes to produce particular kinds of printed work, e.g. patterns (11,751) |
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| 02/04/1991 | CA2022602A1 Overall printing of tissue webs |
| 01/31/1991 | DE3925088A1 Special sale price labels - have crossing out stroke printed on label before price is printed |
| 01/30/1991 | EP0410274A2 Method of forming fine patterns |
| 01/30/1991 | EP0409912A1 An ink and method for the development of concealed images |
| 01/29/1991 | CA1279670C Document bearing characteristic ink-printed indicia juxtaposed with corresponding characteristic synthetic watermark and method for producing same |
| 01/29/1991 | CA1279533C Security document protection process |
| 01/24/1991 | DE3920378C1 Artificial watermark paper prodn. - by printing paper with engraved plate with watermark in high pressure process with crosslinked polyether and isocyanate |
| 01/16/1991 | EP0408424A1 Method and device for high-security encyphered marking to protect high-value objects |
| 01/16/1991 | EP0407615A1 Thermal transfer recording medium |
| 01/15/1991 | US4985292 Having end mark |
| 01/10/1991 | WO1991000390A1 Document security method and system |
| 01/10/1991 | WO1991000385A1 Process for transferring designs to a backing |
| 01/10/1991 | WO1991000276A1 Bipyridyles, process for making them and their use |
| 01/03/1991 | DE3920864A1 Verfahren zum uebertragen von darstellungen auf eine textile unterlage A method for carrying over of representations on a textile backing |
| 12/25/1990 | US4979591 Conveyor belt |
| 12/19/1990 | EP0277982B1 Marking of articles with photochromic compounds |
| 12/13/1990 | DE3918765A1 Sicherheitspapier zur herstellung von dokumenten Security paper for production of documents |
| 12/12/1990 | EP0401258A1 Document marking system. |
| 12/11/1990 | US4976805 Process for manufacture of decorative intermediate films for use in laminated glass sheets |
| 12/09/1990 | WO1990015190A1 Security paper for producing documents |
| 12/09/1990 | CA2034000A1 Security paper for producing documents |
| 12/05/1990 | EP0400220A1 Laminated article for identification purposes |
| 11/20/1990 | US4971858 Ink receiver sheets, multilayer, inorganic material, metals, metal oxides, glass frits |
| 11/14/1990 | EP0242375B1 Process for manufacturing systematic color tables or color chartsfor seven-color printing, and tables or charts produced by this process |
| 11/07/1990 | CN1046705A Technology for making high-quality colour artwork needed by printing map |
| 11/06/1990 | US4968526 Method for fabricating a key top |
| 11/06/1990 | US4968064 Variable color print |
| 11/06/1990 | CA1275853C Method of and apparatus for applying a mark to paper and a paper for usein such method |
| 11/01/1990 | WO1990012694A1 Secure image production |
| 11/01/1990 | CA2053229A1 Secure image production |
| 10/31/1990 | EP0395496A2 Sheet suitable for exposure to light, with an identification and security mark, and use of such a sheet |
| 10/30/1990 | US4967210 Dry transfer lettering system and method |
| 10/30/1990 | US4966628 Pastes comprising oleoresin, macromolecule hydrophilic surfactant, volatile solvent and water; engraved steel die printing; air pollution control |
| 10/10/1990 | EP0391576A1 Wallcoverings |
| 10/09/1990 | CA1275009A1 Self-weeding dry transfer article |
| 10/03/1990 | EP0272298B1 Irreversible photochromic markings |
| 09/26/1990 | EP0388713A2 Composite film |
| 09/26/1990 | EP0370007A4 Simultaneous moulding and transfer printing |
| 09/19/1990 | EP0271941B1 Method for manufacturing a transfer product with a protection layer, and product obtained for the protection of documents or other produce |
| 09/18/1990 | US4957312 Sales records |
| 09/12/1990 | EP0387138A1 Unit with several sheets, usable as cover for magazines and as label |
| 09/05/1990 | EP0385171A2 Process for the characterisation of original prints |
| 09/05/1990 | EP0385170A2 Discernment process between original prints and copies |
| 09/05/1990 | CN1045069A Currency paper, especially bank note, with safety design and process for producing it |
| 08/29/1990 | EP0384897A1 Security paper, especially a banknote, with a security pattern, and method for manufacturing it |
| 08/29/1990 | EP0383956A1 Method for inscribing an image by laser and apparatus for carrying out this method |
| 08/23/1990 | DE3905155A1 Data medium (data carrier), in particular securities having a printed image which can be reproduced in colour copiers only in a corrupted manner |
| 08/23/1990 | DE3904311A1 Method of applying microcapsules filled with evaporating substances to support material |
| 08/23/1990 | CA2010747A1 Currency paper, especially bank note, with a safety design and process for producing it |
| 08/22/1990 | CN1044860A Fake-guarding material and its prodn |
| 08/21/1990 | US4950501 Thermal-print ribbons and method of making same |
| 08/21/1990 | CA1272909A1 Heat transferable laminate |
| 08/15/1990 | CN1044618A Printing method and printed product |
| 08/15/1990 | CN1009203B Method for copying painting and calligraphy with xuan paper |
| 08/09/1990 | WO1990008661A1 Thermal transfer recording medium |
| 08/09/1990 | WO1990008657A1 Novel printing method and printed product |
| 08/07/1990 | CA1272419A1 Prints and production method thereof |
| 08/01/1990 | CN1044212A Painting on picture frame |
| 07/31/1990 | US4944533 Forging-by-copying-proof prints |
| 07/31/1990 | CA1272231A1 Bank notes and the like |
| 07/25/1990 | CN1044068A Waterproof recording material having ground patterns and its manufacturing method |
| 07/19/1990 | WO1990008046A1 Nonreplicable document and method for making same |
| 07/18/1990 | EP0377607A1 Screen printing process and device |
| 07/10/1990 | US4940625 Process for printing continuous stripe and product thereof |
| 07/05/1990 | DE3900073A1 Verfahren, stoff und vorrichtung fuer hochdeckenden oberflaechendruck Procedures, materials and apparatus for highly pigmented oberflaechendruck |
| 07/04/1990 | EP0376322A2 Three-dimensional image forming method |
| 07/04/1990 | EP0376170A2 Method and apparatus for thermal printing suitable for large printing area |
| 07/04/1990 | EP0375833A1 Optically variable planar pattern |
| 07/03/1990 | CA1271117A1 Method for the manufacture of sheetlike or weblike material provided with markings becoming apparent in transmitted light |
| 06/27/1990 | EP0374930A2 Waterproof recording material having ground patterns and its manufacturing method |
| 06/26/1990 | US4936607 Security for images formed by impact based systems |
| 06/21/1990 | CA2006007A1 Waterproof recording material having ground patterns and its manufacturing method |
| 06/19/1990 | US4935401 Revealed image system |
| 06/19/1990 | US4935300 Heat transferable laminate |
| 06/14/1990 | WO1990006539A1 Security marking |
| 06/12/1990 | US4933218 Sign with transparent substrate |
| 06/12/1990 | US4933212 Process for producing a decorative printed packaging material |
| 06/12/1990 | US4933120 Combined process of printing and forming a hologram |
| 06/12/1990 | US4932685 Variable color print and method of making same |
| 06/01/1990 | CA2004423A1 Security marking |
| 05/31/1990 | WO1990005640A1 Imaging plastics articles |
| 05/30/1990 | EP0370007A1 Simultaneous moulding and transfer printing. |
| 05/29/1990 | US4929213 Flexible foam pictures |
| 05/28/1990 | CA2000812A1 Copy indicator for a document |
| 05/22/1990 | US4927709 Heat transferable laminate |
| 05/22/1990 | US4927180 Marking of articles with photochromic compounds |
| 05/16/1990 | EP0368357A2 Process of forming burned patterns and burning pattern sheet for use in the process |
| 05/15/1990 | US4925705 Security devices |
| 05/15/1990 | US4925215 Bonding ink containing iron oxide to nonmagnetic ink |
| 05/02/1990 | EP0365570A1 Process for producing relief patterns |
| 04/24/1990 | US4919044 Simulated watermark printing system |
| 04/19/1990 | WO1990004004A1 An ink and method for the development of concealed images |
| 04/17/1990 | US4917011 Process and device for printing a successive row of numbers of bar code 2/5 interleaved |
| 03/27/1990 | US4911302 Method for imprinting overwrapped packages |
| 03/22/1990 | WO1990002658A1 Security device |
| 03/22/1990 | DE3831688A1 Process for the production of a security imprint |
| 03/20/1990 | US4910070 Opaque decorative pleatable material and method of manufacturing same |
| 03/14/1990 | EP0358610A2 Printing ink for making erasable prints |
| 02/27/1990 | US4904507 Information device |
| 02/22/1990 | WO1990001421A1 Hot melt ink projection transparency |