Patents for B41M 3 - Printing processes to produce particular kinds of printed work, e.g. patterns (11,751) |
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01/21/1992 | US5082703 Thick ink ridge |
01/10/1992 | WO1992000852A1 Transfer printing process |
01/07/1992 | US5078428 Copy-proof sheet |
12/26/1991 | WO1991019614A1 Security of objects or documents |
12/26/1991 | WO1991019610A1 Method of manufacturing bright decorative sheet |
12/24/1991 | US5074597 Computerized method of generating film masters for embossing and printing color images |
12/24/1991 | US5074596 Currency paper, especially bank note, with a safety design and process for producing it |
12/24/1991 | US5074206 Halftone dots solid color |
12/21/1991 | WO1991019955A1 Method for producing an image on a substrate having the same spectral content with front and back illumination |
12/18/1991 | EP0461475A1 Method for transferring a pattern onto a substrate and use of a film |
12/17/1991 | CA1293152C Variable color print and method of making same |
12/11/1991 | EP0460270A1 Color changing print |
11/27/1991 | EP0470131A4 Secure image production. |
11/27/1991 | EP0458631A2 Signs with transparent substrate |
11/14/1991 | WO1991017054A1 Method, device and substance for forming picture |
11/14/1991 | WO1991017053A1 Process and device for applying colour decoration to a plastic substrate and decorated plastic substrate |
11/13/1991 | EP0455849A1 Method and apparatus for transfer of a colour design to a plastic substrate or a decorated plastic substrate |
11/13/1991 | EP0455750A1 Nonreplicable document and method for making same |
11/12/1991 | US5064221 Method for distinguishing printed originals from copies |
11/06/1991 | CN2088034U Heat colour-changing trade mark |
10/29/1991 | US5060981 Transparent overlay for protecting a document from tampering |
10/23/1991 | EP0452566A1 Method for making transparent thermal dye transfer images |
10/22/1991 | US5059245 Ink incorporating optically variable thin film flakes |
10/22/1991 | US5058925 Leach resistant ink for protecting documents from alteration and document protected thereby |
10/16/1991 | CN1055404A Production of heat sensitizing transfer printing paper and its transferring method |
10/15/1991 | US5056880 Holographic wallpaper |
10/08/1991 | US5055323 Applying curable base coat by rotogravure printing, printing colored design with high binder inks |
10/03/1991 | WO1991015805A1 A switchon-switchoff, multistate, interactive, antiphotocopying, antifraud and antifaxing system |
10/03/1991 | WO1991014571A1 Marker device with permanent indicia |
10/02/1991 | EP0449012A1 Decorative sheets and processes for producing them |
10/01/1991 | US5053788 Method and apparatus for thermal printing suitable for large printing area |
09/25/1991 | EP0447533A1 Treatment of hot melt ink images. |
09/25/1991 | CN1054808A Anti-imitation paper and manufacturing method thereof |
09/18/1991 | EP0446846A2 Thermally-transferable fluorescent europium complexes |
09/18/1991 | EP0446834A1 Receiver for thermally-transferable fluorescent europium complexes |
09/14/1991 | CA2037154A1 Receiver for thermally-transferable fluorescent europium complexes |
09/14/1991 | CA2036191A1 Thermally-transferable fluorescent europium complexes |
09/04/1991 | EP0444087A1 Imaging plastics articles. |
09/03/1991 | US5046166 Digital electrophotographic copying apparatus |
08/27/1991 | US5043188 Image-impressing device overlaps inwardly tapered ends to enhance illusion of continuity; constant width; straight edges |
08/22/1991 | WO1991012139A1 Imaging process |
08/21/1991 | EP0441935A1 Self-adhesive dry-transfer decal, process for its manufacture and method of use. |
08/14/1991 | CN1053769A Non-photographic method for patterning organic polymer films |
08/10/1991 | WO1991012372A1 Sheet for protected documents having high printability and high handling resistance |
08/07/1991 | EP0440554A1 Document authenticable by an authentication composition and process to realize said authentication |
08/06/1991 | US5037682 Light reflectivity |
08/06/1991 | US5037504 Transferring the image |
08/06/1991 | US5037447 Thermally transferring an image of heat-fusible ink containing a hydroxyl-containing substance and treating with a crosslinking polycyanate |
08/03/1991 | WO1991011492A1 Ink composition and components thereof |
08/03/1991 | WO1991011331A1 Anti-photographic/photocopy imaging process and product made by same |
08/03/1991 | CA2075063A1 Anti-photographic/photocopy imaging process and product made by same |
08/03/1991 | CA2075055A1 Ink composition and components thereof |
07/31/1991 | EP0438819A1 Photochromatic compound, a method for its preparation, and articles which contain it |
07/25/1991 | WO1991010571A1 Imaging process |
07/24/1991 | EP0437720A1 Method of transferring decoration from an embossing to a flat surface, and device for carrying out the method |
07/23/1991 | US5033773 Security for images formed by impact based systems |
07/16/1991 | US5032216 Non-photographic method for patterning organic polymer films |
07/16/1991 | US5032003 Optially variable surface pattern |
07/03/1991 | EP0435675A2 Phase change ink printed substrate and method of production thereof |
06/26/1991 | CN2079561U Manifolding bill capable of distinguishing true from false |
06/19/1991 | EP0432698A1 Jigsaw puzzle |
06/12/1991 | EP0432093A1 Highly reactive printing inks |
06/12/1991 | EP0431940A2 Improvements in and relating to the generation of sales records |
06/11/1991 | US5023111 Maintaining ink pattern at abobe melting temperature for a short time to spread, quenching; wrinkle resistance |
06/05/1991 | EP0429782A1 Arrangement for improving the falsification safety of a document of value |
06/04/1991 | US5021112 Process of multicolor printing by laser |
05/29/1991 | EP0428933A2 Materials coated with plate like pigmets |
05/29/1991 | EP0428828A2 Process for the detection of copies |
05/28/1991 | US5018767 Counterfeit protected document |
05/22/1991 | EP0427847A1 Security paper for producing documents |
05/21/1991 | US5017417 Excellent heat resistance, dimensional stability, formability, |
05/21/1991 | US5017226 Ink and method for the development of concealed images |
05/16/1991 | DE3937418A1 Finely structured plastic film recess printing plate prodn. - used for transfer printing matrix onto flat display panel |
05/02/1991 | WO1991005833A1 Fluorescent compounds and marking method using such compounds |
05/02/1991 | EP0425467A2 Process for creating magnetic impressions on sheetlike material |
04/30/1991 | US5011816 Ligands reacting with complex to form higher coordinate complex in situ; emitting red hue with ultraviolet radiation; security badges |
04/21/1991 | WO1991006118A1 Non-photographic method for patterning organic polymer films |
04/21/1991 | CA2069306A1 Non-photographic method for patterning organic polymer films |
04/18/1991 | WO1991004799A1 Treatment of hot melt ink images |
04/17/1991 | CN2075135U Improved mechanism for synchronism punching hole and forming of printer |
04/11/1991 | CA2282910A1 Money order imprinter |
04/09/1991 | US5006503 Thermally-transferable fluorescent europium complexes |
04/09/1991 | CA1282637C Rotary multicolor indirect printing machine for simultaneously recto-verso printing |
04/02/1991 | US5003915 Apparatus for printing and for forming a hologram on sheet material |
03/27/1991 | EP0419389A1 Device for printing and drying, particularly paper, corresponding ink and method for manufacturing the ink |
03/27/1991 | EP0419241A2 Transparent overlay for protecting a document from tampering |
03/21/1991 | WO1991003382A1 Heat transfer decorations with patterned metallization |
03/19/1991 | US5000090 Method for the continuous printing of a planar structure |
03/19/1991 | US5000089 Picture forming method, picture thereof and picture forming material |
03/12/1991 | US4998962 Printing method and printed product |
03/01/1991 | WO1991003381A1 Self-adhesive dry-transfer images, process for their manufacture and method of use |
03/01/1991 | CA2042364A1 Self-adhesive dry-transfer images, process for their manufacture and method of use |
02/27/1991 | EP0414015A2 Tissue web, method for preparing and use of same |
02/26/1991 | US4996537 Method of and apparatus for recording image |
02/26/1991 | US4996184 Sheet material for use in a method for non-impact printing, photocopying and like reprographic processes |
02/26/1991 | US4995927 Process for and product related to fabricating linked duplex film with trapped printing |
02/12/1991 | US4992347 Marking |
02/12/1991 | US4992304 Patterning, reorientation |
02/06/1991 | EP0411602A2 Object having visible pattern including invisible information printed thereon |
02/05/1991 | CA1279794C Printing |