| Patents for B41M 5 - Duplicating or marking methods; Sheet materials for use therein (48,459) |
|---|
| 05/05/1981 | CA1100256A1 Process for printing on solid molded articles made from urea formaldehyde resin or melamine formaldehyde resin |
| 04/29/1981 | EP0027698A2 Method of producing paper or coated paper carrying an unobtrusive image |
| 04/29/1981 | EP0027532A1 Process for producing plastics keyboard buttons provided with different characters |
| 04/28/1981 | US4264986 Information-recording process & apparatus |
| 04/28/1981 | US4264913 Electric discharge recording method and material with non-recording layer |
| 04/28/1981 | US4264693 Light and current sensitive film and print-display system therewith |
| 04/28/1981 | US4264551 Recorded disk reproducing system |
| 04/28/1981 | US4264412 Process of recovering fibres |
| 04/28/1981 | US4264369 Thickener, sulfonamide, diol and glycol ester of a dicarboxy acid |
| 04/28/1981 | US4264365 Production of pressure-sensitive carbonless record sheets using dioic acid hot melt systems and products thereof |
| 04/21/1981 | US4263344 Applying foamed suspension of particles, drying |
| 04/21/1981 | US4263105 Electrosensitive recording material and process |
| 04/21/1981 | US4263047 Color developing ink |
| 04/21/1981 | US4262938 Nickel and zinc bisphenolsulfone salts |
| 04/21/1981 | US4262937 Carbonless imaging system |
| 04/21/1981 | US4262936 For pressure sensitive recording |
| 04/21/1981 | US4262935 Donor material for carbonless copying and coating composition for the same |
| 04/21/1981 | CA1099561A1 Method for marking intraocular lenses using a mask of opaques forming the configuration of coding characters |
| 04/21/1981 | CA1099556A1 Electro-thermosensitive material having a recording layer containing a chlorine polymer, an acid- sensitive leuco dye and a zinc compound |
| 04/21/1981 | CA1099512A1 Pressure-sensitive record material containing urea- formaldehyde resin pigment |
| 04/15/1981 | EP0026914A1 Process for the production of microcapsules, microcapsules obtained by this process, use of the microcapsules in the production of pressure sensitive recording papers and pressure sensitive recording system |
| 04/14/1981 | US4261799 Electrolytic process for generating erasable pictures on a solid substrate |
| 04/14/1981 | CA1099101A1 Process for the production of a pressure-sensitive carbonless copy sheet using microcapsules formed in situ in a radiation curable binder |
| 04/14/1981 | CA1099100A1 Heat-sensitive recording composition with mixed color precursors |
| 04/14/1981 | CA1099099A1 Recording sheet and color developer therefor |
| 04/07/1981 | US4260664 Transfer elements and process |
| 04/07/1981 | US4260645 Nonaqueous solvent, silver perchlorate, kits |
| 04/07/1981 | US4260515 Process for hardening microcapsules |
| 04/07/1981 | US4260179 Color-developing sheet for pressure-sensitive recording sheets |
| 04/01/1981 | EP0025820A1 Heat sensitive recording sheet |
| 03/31/1981 | CA1098561A1 Stubless multi-ply assembly |
| 03/31/1981 | CA1098483A1 Dry-release transfers |
| 03/25/1981 | EP0025583A1 Electroconductive powder and process for production thereof |
| 03/24/1981 | US4258086 Method of reproduction metallized patterns with microwave energy |
| 03/24/1981 | US4257954 Indolyl-phenylsulfonyl-phenyl methane |
| 03/24/1981 | US4257935 Color developing sheet for pressure-sensitive recording systems |
| 03/24/1981 | US4257843 Method for the production of a matted transparent paper and the product thereof |
| 03/24/1981 | US4257329 Fluidless masters |
| 03/24/1981 | US4257269 Method and apparatus for producing visible image of object |
| 03/18/1981 | EP0025253A1 Optical recording disk |
| 03/17/1981 | CA1097786A1 Method and apparatus for forming visible images |
| 03/11/1981 | EP0024898A2 Solvents, solutions, and pressure-sensitive mark-recording systems |
| 03/11/1981 | EP0024897A2 Chromogen solutions and pressure-sensitive mark-recording systems |
| 03/11/1981 | EP0024885A1 Heat sensitive recording sheet |
| 03/10/1981 | US4255577 Process and intermediates for preparing 3-[4-(disubstituted-amino)phenyl] or |
| 03/10/1981 | US4255491 Heat-sensitive recording paper |
| 03/10/1981 | US4255226 Devices for aiding the preparation of graphic artwork |
| 03/10/1981 | US4254971 Pressure-sensitive record material and preparation thereof |
| 03/03/1981 | US4254032 Carbazolylmethane compounds |
| 03/03/1981 | US4253838 Heat transfer printing sheet and heat transfer printing method using the same |
| 03/03/1981 | US4253775 Apparatus for re-inking a ribbon in a thermal transfer printing system |
| 03/03/1981 | US4253682 Dye precursor encapsulated in the polyaddition product of a diamine and a diisocyanate of oxadiazinone |
| 03/03/1981 | US4253393 Method of marking hot material and apparatus therefor |
| 02/25/1981 | EP0024136A1 Optical recording member |
| 02/24/1981 | US4252975 Color formers |
| 02/24/1981 | US4252890 Imaging system which agglomerates particulate material |
| 02/24/1981 | US4252889 Process of making an optically recordable and readable information carrier and the carrier obtained by this process |
| 02/24/1981 | US4252853 Destructible marking film, process for its production and method for marking |
| 02/24/1981 | US4252601 Organic styrene resin pigment particles dispersed in polyvinylidene chloride binder, solvent |
| 02/17/1981 | US4251827 Wet type direct recording method |
| 02/17/1981 | US4251593 Color development |
| 02/17/1981 | US4251446 Color precursors |
| 02/17/1981 | US4251386 By polymerization of urea and formaldehyde in an anionic polyelectrolyte and an ammonium salt of an acid |
| 02/17/1981 | US4251276 Thermally activated ink and transfer method |
| 02/17/1981 | US4251092 Pressure sensitive carbonless duplicating systems and thermal marking systems |
| 02/17/1981 | CA1095782A1 Method of manufacturing a data carrier which can be optically read and a data carrier obtained by said method |
| 02/17/1981 | CA1095717A1 Process for the production of radiation curable coating compositions containing microcapsules |
| 02/11/1981 | EP0023809A1 Optical recording member |
| 02/11/1981 | EP0023736A1 Dye-containing layer of a film-forming polymeric binder and the use thereof in an information recording element |
| 02/11/1981 | EP0023674A2 An optical recording element and a method of manufacturing the same |
| 02/11/1981 | EP0023659A1 Process for the production of resist-printing effects by the transfer printing process and appropriate temporary supports |
| 02/11/1981 | EP0023613A2 Chemical carbon paper |
| 02/10/1981 | US4250511 Thermal transfer color printer |
| 02/10/1981 | US4250269 Water-soluble mixtures of quaternary ammonium polymers, nonionic and/or cationic vinyl-addition polymers, and nonionic and/or cationic surfactants |
| 02/10/1981 | US4250098 Chromogenic compounds |
| 02/10/1981 | CA1095581A1 Thermal printers |
| 02/10/1981 | CA1095548A1 Identification device with versatile imprinting means |
| 02/03/1981 | CA1095003A1 Electric discharge recording method and material |
| 01/28/1981 | EP0023102A1 Optical disc and method of recording information thereon |
| 01/28/1981 | EP0022875A1 Pressure-sensitive recording material |
| 01/27/1981 | US4247611 Acetal resin, acid doner |
| 01/27/1981 | US4247595 Thermosensitive recording material |
| 01/27/1981 | CA1094685A1 Radiation-sensitive record with protected sensitive surface |
| 01/27/1981 | CA1094632A1 Rotary electrical printer and method |
| 01/22/1981 | WO1981000084A1 Process for preparing a thermochromic varnish,coating prepared therefrom and utilization thereof |
| 01/20/1981 | US4246318 Thermally-responsive record material |
| 01/20/1981 | US4246312 Color-developing lactone, inorganic powder or calcium carbonate layer |
| 01/20/1981 | US4246033 Arrangement for applying written or drawn information onto image carriers for overhead projection |
| 01/20/1981 | US4245857 Microencapsulated color former and alcohols or ketones having at least six carbon atoms |
| 01/14/1981 | EP0022313A1 Recording medium, method of making a recording or a stamper and recording apparatus |
| 01/13/1981 | US4245229 Optical recording medium |
| 01/13/1981 | US4245003 Coated transparent film for laser imaging |
| 01/13/1981 | US4245002 Chemical which shows color reaction to fish humor |
| 01/13/1981 | US4244605 Material for forming graphics |
| 01/13/1981 | US4244604 Aliphatic tertiary amine, dithiooxamide, aromatic substituted hydrazones |
| 01/13/1981 | CA1093300A1 Heat sensitive dye layers |
| 01/07/1981 | EP0021098A2 Apparatus for re-inking a ribbon in a thermal transfer printing system |
| 01/07/1981 | EP0020974A1 Electrochromic printing ink dissolved in water and method for printing with this printing ink |
| 01/06/1981 | US4243994 Liquid recording medium |
| 01/06/1981 | US4243746 Dispersion imaging material and method of producing image thereon |