| Patents for B41J 31 - Ink ribbons; Renovating or testing ink ribbons (1,930) |
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| 08/05/1986 | US4603986 Chemically reactive vapor-producing material which propels colorant onto receiver |
| 07/29/1986 | US4603337 Thermal transfer recording medium |
| 07/23/1986 | EP0107719B1 Ribbon cassette |
| 07/17/1986 | WO1986004024A1 Thermal transfer ink formulation and medium |
| 07/08/1986 | CA1207146A1 Thermal magnetic transfer ribbon |
| 07/01/1986 | US4598302 Transfer type recording apparatus |
| 07/01/1986 | US4598138 Stable, phenolic modified hydrocarbon resins for leucopigments |
| 06/10/1986 | US4594011 Ink cartridge changeover device in an ink ribbon cassette for a printer |
| 06/03/1986 | US4592945 Thermocolor ribbon |
| 05/28/1986 | EP0182011A2 Process, device and coloured pencil for regeneration of heat-sensitive ink ribbons |
| 05/27/1986 | US4591282 Drive mechanism for a ribbon disc |
| 05/14/1986 | EP0181111A2 Printing ribbon spool |
| 05/13/1986 | CA1204335A1 Method for adaptively using print ribbon in an impact printer |
| 05/06/1986 | US4586834 Transfer apparatus for monochromatic or multi-color printing |
| 04/29/1986 | US4586055 Method and apparatus for printing colored patterns |
| 04/29/1986 | US4585692 Aliphatic polyurethane matrix transfer medium and porous magnesium silicate filler |
| 04/22/1986 | CA1203431A1 Self-regulating ribbon reinking device |
| 04/09/1986 | EP0176552A1 Pressure sensitive transfer elements and method of making |
| 04/08/1986 | US4581283 Mixture of ferromagnetic powder, wax, and thermoplastic elastomer |
| 04/08/1986 | CA1202819A1 Thermal printing with ink replenishment |
| 03/25/1986 | US4577983 Color-on-demand ribbon printing |
| 02/26/1986 | EP0172767A1 Method and machine for magnetographic copying |
| 02/25/1986 | US4572684 For thermography in color recording system |
| 02/11/1986 | US4569609 Print ribbon comprising a frictional back layer |
| 02/11/1986 | CA1200386A1 Self-supporting thermal ink |
| 01/22/1986 | EP0168616A1 Apparatus and method for multicolour printing by means of a thermal ink ribbon |
| 01/15/1986 | EP0167932A2 Print ribbons |
| 01/15/1986 | EP0167892A1 Inked ribbon cassette |
| 01/15/1986 | EP0167796A2 Correction tape for thermosensitive paper |
| 01/14/1986 | CA1199233A1 Laminated thermal transfer medium for correction |
| 01/02/1986 | EP0166290A1 Drive mechanism for a ribbon disc |
| 12/18/1985 | EP0164688A2 Matrix transfer medium |
| 12/10/1985 | US4558329 Ink carrier ribbon for sublimation transfer |
| 12/10/1985 | US4557616 Resistive ribbon thermal transfer printing system and process |
| 12/04/1985 | EP0163145A2 Dye transfer type thermal printing sheets and method for printing |
| 11/21/1985 | EP0161399A2 Ink ribbon cartridge for typewriters or like office machines |
| 10/30/1985 | EP0159444A2 Method of and apparatus for printing colored patterns by the use of variegated, heat-sensitive ink ribbon |
| 10/29/1985 | US4549824 Ink additives for efficient thermal ink transfer printing processes |
| 10/29/1985 | CA1195843A1 Method and apparatus for making a transferable dye medium |
| 10/16/1985 | EP0158344A2 Ink transfer material for printer |
| 10/15/1985 | US4547392 Coating with sublimable dye, drying, heating and calendering |
| 10/15/1985 | US4547088 Correctable thermal transfer printing ribbon |
| 10/15/1985 | CA1195114A1 Heat-sensitive magnetic transfer element |
| 10/01/1985 | US4544292 Multistrike ribbon |
| 09/17/1985 | CA1193782A1 Inking ribbon with overlapping overstrike |
| 09/12/1985 | WO1985003888A1 Pressure sensitive transfer elements and method of making |
| 09/04/1985 | EP0153411A1 Sublimable ink ribbon |
| 08/28/1985 | EP0152795A2 Thermal transfer printing |
| 08/27/1985 | CA1192399A1 Metal-insulator resistive ribbon for thermal transfer printing |
| 08/27/1985 | CA1192398A1 Chemical heat amplification in thermal transfer printing |
| 08/27/1985 | CA1192397A1 Heat transfer recording medium |
| 08/20/1985 | US4536437 Multilayer-polyamide and carbon black base, and ink layer containing resin |
| 08/20/1985 | US4536098 Self-regulating ribbon re-inking device |
| 08/20/1985 | US4535690 Duplicating stencil |
| 08/07/1985 | EP0150383A2 Ink additives for thermal ink transfer printing processes |
| 08/06/1985 | US4533596 Thermal magnetic transfer ribbon |
| 08/06/1985 | CA1191473A1 Spliceless ribbon structure having leader and trailer and method of manufacture therefor |
| 08/06/1985 | CA1191344A1 Metal-semiconductor resistive ribbon for thermal transfer printing and method for using |
| 07/30/1985 | US4532524 Thermal ink-transfer printing apparatus |
| 07/24/1985 | EP0149557A2 Partially pressure-sensitive recording paper |
| 07/23/1985 | US4530612 Method for adaptively using a print ribbon in an impact printer |
| 07/02/1985 | US4527178 Heat-sensitive recording paper and filler therefor |
| 07/02/1985 | US4526488 Ink ribbon cassette provided with an impregnation device |
| 07/02/1985 | US4526487 Multicolor ink ribbon cassette |
| 06/26/1985 | EP0146069A2 Apparatus and method for thermal transfer printing |
| 06/25/1985 | US4525722 Chemical heat amplification in thermal transfer printing |
| 05/21/1985 | US4518128 Correction tape take-up spool assembly for typewriter |
| 05/14/1985 | CA1187027A1 Ink ribbons |
| 05/07/1985 | US4515489 A fatty amine salt as cationic surfactant; high speed typewriters; colorfastness |
| 03/27/1985 | EP0134818A1 No carbon required paper for letter printer |
| 03/19/1985 | US4505983 Binders, isocyanate-active hydrogen compound reaction product |
| 03/14/1985 | WO1985001017A1 Ribbon cassette for use in a printer |
| 03/12/1985 | US4504840 Thermal printing with ink replenishment |
| 03/12/1985 | US4504839 Deflecting electrode assembly for multi-nozzle ink jets |
| 03/06/1985 | EP0133638A2 Thermal ink ribbon and method of making it |
| 02/26/1985 | US4502065 Transfer type heat-sensitive recording medium |
| 02/12/1985 | US4499140 Hard wax, synthetuc resin, and fluid ink binder-reuseable typewriter ribbon |
| 01/31/1985 | WO1985000322A1 Sublimable ink ribbon |
| 01/15/1985 | US4493572 Long-life inked-ribbon cassette |
| 01/08/1985 | US4492727 Ink donor sheet |
| 01/08/1985 | US4492484 Improved ribbon mask and guide for wire dot printers |
| 01/02/1985 | CA1180183A Intermediate layer in thermal transfer medium |
| 01/01/1985 | US4491432 Multilayer ribbons, exothermic reactions |
| 01/01/1985 | US4491431 Metal-insulator resistive ribbon for thermal transfer printing |
| 12/25/1984 | US4490430 Self-supporting thermal ink |
| 12/05/1984 | EP0126906A1 Heat-sensitive registration/transfer material |
| 11/14/1984 | EP0124616A1 Heat-sublimable ink ribbon |
| 11/13/1984 | US4482262 Transfer/correcting ribbon |
| 11/06/1984 | US4481255 Radiation hardened transfer medium |
| 10/16/1984 | US4477198 Modified resistive layer in thermal transfer medium having lubricating contact graphite coating |
| 10/16/1984 | CA1176055A1 Polyimide ribbon and method for thermal printing |
| 10/10/1984 | EP0121380A2 Heat-sensitive inked element for high-speed thermal printers |
| 10/10/1984 | EP0121379A2 Heat-sensitive inked element for impactless printers of thermal type |
| 10/09/1984 | US4476179 Ink donor sheet |
| 10/09/1984 | US4476176 Nondiffusing thermoplastic resin barriers |
| 10/09/1984 | US4475830 Spliceless ribbon structure having leader and trailer and method of manufacture therefor |
| 10/03/1984 | EP0120568A1 Apparatus for welding of continuous loop ribbon |
| 10/03/1984 | EP0120241A2 Thermal printing with ink replenishment |
| 10/03/1984 | EP0120230A1 Self-supporting thermal ink |
| 10/02/1984 | US4474844 Heat transfer recording medium |