| Patents for B41J 31 - Ink ribbons; Renovating or testing ink ribbons (1,930) |
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| 11/06/1990 | US4968161 Ribbon cassette for reinking only one longitudinal half of a Mobius ribbon |
| 10/30/1990 | US4967206 Print storage medium |
| 10/17/1990 | EP0278091B1 Multiple-use thermal printing transfer ribbon |
| 10/09/1990 | CA1275008A1 Thermal transfer printing |
| 10/03/1990 | CN2063078U Automatic inking apparatus for color ribbon of computer printer |
| 09/26/1990 | CN1009722B Thermo-ribbon for typewriting |
| 09/19/1990 | EP0387264A1 Inking ribbon. |
| 09/18/1990 | US4957813 Pressure-sensitive transfer member |
| 09/12/1990 | EP0386982A2 Method and apparatus for loading ink ribbon |
| 09/12/1990 | EP0386945A2 Ink ribbon for printer and ink therefor |
| 09/05/1990 | EP0384989A1 Thermal dye sublimation transfer recording element |
| 08/29/1990 | EP0384783A1 Method of manufacturing a ribbon for non-impact printing of documents |
| 08/21/1990 | US4950536 Pressure-activatible lift-off correcting tape |
| 08/21/1990 | US4950501 Thermal-print ribbons and method of making same |
| 08/14/1990 | US4948275 Ribbon re-inking device |
| 08/08/1990 | EP0380920A2 Thermal ink ribbon,method of its manufacture and its use |
| 07/31/1990 | US4944619 Construction for mounting an ink ribbon cassette in a heat transferable line printer |
| 07/17/1990 | US4942056 Method for replenishing a depleted ink sheet |
| 07/10/1990 | US4940345 Ink cassette and ink transfer roll therefor |
| 07/04/1990 | CN1043470A Re-inking roller and transfer roller assembly |
| 07/03/1990 | US4938617 Thermal transfer ribbon with adhesion layer |
| 07/03/1990 | CA1271095A1 Lift-off tape usable many times |
| 06/19/1990 | US4935306 Thermal imprint ink sheet |
| 06/13/1990 | CN1042868A Heat-sensitive wax ribbon |
| 06/06/1990 | EP0266526B1 Thermal carbon ribbon containing a resin-bonded fusible dye, and a process for the production of this ribbon |
| 06/05/1990 | US4931348 Reduced thickness resin substrate in film printing ribbon |
| 06/05/1990 | US4931123 Heat-sensitive color transfer recording medium |
| 06/05/1990 | CA1269809A1 Conductive pyrolyzed dielectrics and articles made therefrom |
| 05/29/1990 | US4929102 Ribbon protector including electro-conductive elements and platen gap adjustment device incorporating the same |
| 05/23/1990 | EP0368960A1 Thermal transfer ribbon |
| 05/09/1990 | EP0367706A1 Re-inking roller and transfer roller assembly |
| 05/08/1990 | US4923848 Image formation on objective bodies |
| 05/08/1990 | US4923749 Thermal transfer ribbon |
| 04/26/1990 | DE3929128A1 Thermouebertragungsmaterial und thermouebertragungsaufzeichnungsverfahren Thermouebertragungsmaterial and thermouebertragungsaufzeichnungsverfahren |
| 04/18/1990 | EP0363929A2 Thermal imprint ink sheet |
| 04/11/1990 | EP0153411B1 Sublimable ink ribbon |
| 04/10/1990 | US4916006 Multilayer; polyester and chlorinated 4-methyl-1-pentene polymer |
| 04/05/1990 | WO1990003274A1 Current-carrying heat transfer sheet |
| 04/03/1990 | US4913975 Flame-retardant electrothermal transfer recording medium |
| 04/03/1990 | US4913571 Re-inking roller and transfer roller assembly |
| 03/22/1990 | DE3930810A1 Hard copy video image printer - has control for drive and heating element assembly for setting to temp. required to sublimate ink on foil |
| 03/20/1990 | US4910189 Thermal transfer dyesheet |
| 03/07/1990 | EP0356705A2 Data reading unit for an ink control devices |
| 02/27/1990 | US4904098 Flexible print ribbon shield |
| 02/14/1990 | EP0354863A2 Multicolored fabric printing ribbon |
| 02/06/1990 | US4898486 Coating with emulsion of two incompatible thermoplastic polymers, wax, pigment |
| 01/31/1990 | EP0352932A2 Thermal transfer ribbon |
| 01/31/1990 | EP0352525A2 Thermal dye ribbon and method of preparation |
| 01/31/1990 | EP0352519A2 Thermal dye ribbon |
| 01/31/1990 | CN1039215A Plastic film-type charcoal ink ribbon |
| 01/30/1990 | US4897669 Thermal transfer recording media |
| 01/30/1990 | US4897310 Inking ribbon for transferring color under the influence of heat |
| 01/24/1990 | EP0351968A2 Thermal transfer printing |
| 01/24/1990 | CN1038971A Re-inking device and method |
| 01/23/1990 | US4895465 Continuous polymer phase containing beads of incompatible polymer, pigment, wax |
| 01/16/1990 | US4894666 Image recording method and apparatus |
| 01/03/1990 | EP0348661A2 Thermal ribbon and method of manufacturing same |
| 12/27/1989 | CA1264003A1 Aliphatic polyurethane matrix transfer medium and porous magnesium silicate filler |
| 12/12/1989 | US4887095 Image recording apparatus using several types of energy and recording process |
| 12/12/1989 | US4886386 Ink ribbon having elastomeric protective backing |
| 12/12/1989 | US4886383 Tape cassette for metering correction tape feed |
| 12/05/1989 | US4884908 Overlappingly overstrikeable ribbon and use thereof in continuously full cassettes |
| 11/30/1989 | DE3817753A1 Colour ribbon for dye transfer under the action of heat |
| 11/29/1989 | EP0343951A2 Coating and cleaning method using a thermo-plastic material |
| 11/29/1989 | EP0343425A2 Regenerable ink ribbon for a thermal transfer printer |
| 11/28/1989 | US4884081 Multilayer magnetic recording element |
| 11/28/1989 | US4883379 Adhesives, supports, lamination |
| 11/23/1989 | EP0342371A2 Method for the preparation of a thermal dye ribbon for thermal transfer printing |
| 11/16/1989 | WO1989010844A1 Thermal transfer ribbon |
| 11/16/1989 | WO1989009696A3 Re-inking device and method |
| 11/16/1989 | DE3814804A1 Device and method for regenerating ink ribbons |
| 11/09/1989 | DE3836152A1 Ink-ribbon inking device for printers |
| 11/02/1989 | WO1989010268A1 Thermal transfer ribbon |
| 11/02/1989 | EP0340155A2 Ribbon re-inking device |
| 11/02/1989 | EP0339829A2 A continuous self inking ribbon cartridge system |
| 10/25/1989 | EP0338313A1 Writing ribbon and process for its production |
| 10/19/1989 | WO1989009696A2 Re-inking device and method |
| 10/17/1989 | US4874263 Two by one twill weave for an impression fabric |
| 10/10/1989 | US4873167 Self cleaning sheet for dissolving a photo-sensitive material containing microcapsules on both sides of substrate |
| 10/03/1989 | CA1262074A1 Ribbon transfer for color-on-demand resistive ribbon printing |
| 09/27/1989 | EP0225383B1 Method for fabricating thermo-inking ribbons for thermo-transfer printing, and thermo-inking ribbon obtained thereby |
| 09/26/1989 | CA1260315A1 Thermal transfer recording medium |
| 09/26/1989 | CA1260267A1 Heat-meltable transfer recording medium |
| 09/19/1989 | US4867588 Method for manufacture of a mutli-color ink ribbon including ink migration barrier |
| 09/06/1989 | EP0330777A1 Tape cassette for metering correction tape feed |
| 08/29/1989 | US4861177 Reloadable ribbon cassette system |
| 08/22/1989 | US4859097 Ribbon cartridge for typewriters or similar office machines |
| 08/08/1989 | US4854755 Reloadable ribbon cassette system |
| 08/01/1989 | US4853274 Polymer base; heat resistant rough coating |
| 07/25/1989 | USRE32999 Heat-sensitive transferring recording medium |
| 07/18/1989 | US4849287 Aromatic polymide film containing carbon black |
| 06/21/1989 | EP0321388A1 Dye ribbon for thermal dye transfer |
| 06/21/1989 | EP0320577A2 Direct negative and offset master production |
| 06/20/1989 | US4840848 Modified silicone and polyoxyethylene glycol |
| 06/20/1989 | US4840835 Heat-sensitive transferring recording medium |
| 06/13/1989 | US4838715 Ink ribbon cassette |
| 06/06/1989 | US4836105 Direct negative and offset master production using thermal liftoff |
| 05/24/1989 | EP0316674A2 Thermally sensitive dye ribbon |
| 05/09/1989 | CA1253691A1 Release agent for thermal dye transfer |
| 05/05/1989 | WO1989003772A1 Inking ribbon |