Patents
Sitemap › B41 - Printing; Lining machines; Typewriters; Stamps › B41M - Printing, duplicating, marking, or copying processes; Colour printing › B41M 5 - Duplicating or marking methods; Sheet materials for use therein
Patents for B41M 5 - Duplicating or marking methods; Sheet materials for use therein (48,459)
08/1981
08/20/1981WO1981002271A1 Method and device for decorating(printing)elongated articles,particularly ski coatings and the like
08/19/1981EP0034067A2 Sheet feeding system and electrosensitive sheet
08/19/1981EP0034052A2 A recording medium
08/19/1981EP0033776A2 Process and apparatus for colouring or printing web-like items, particularly ski-coverings, and such articles
08/18/1981US4285056 Replicable optical recording medium
08/18/1981US4284716 Filamentary and nonfilamentary silver particles
08/18/1981CA1107434A1 Production of novel metal modified novolak resins and their use in pressure-sensitive papers
08/18/1981CA1107136A1 Latent imaging master
08/18/1981CA1107011A1 Process for making form sets from carbonless copy paper sheets
08/18/1981CA1107010A1 Process for making form sets from carbonless copy paper sheets
08/12/1981EP0033716A1 Chromogenic quinazoline compounds, processes for their preparation and their use as colour constituents in pressure-sensitive or heat-sensitive recording materials
08/12/1981EP0033667A1 Reversible memory structure for thermo-optical recording and optical reading, and recording and erasing process for this structure
08/12/1981EP0033431A1 Permanent memory structure for thermo-optical recording and optical reading, and recording process in such a structure
08/12/1981EP0033430A1 Thermo-optical information-recording process and information carrier to carry out this process
08/12/1981EP0033364A1 A ribbon for non-impact printing
08/11/1981US4283458 And a colorless dye as electron donor
08/11/1981US4283077 Indole color former
08/11/1981CA1106687A1 Addressing machine and method of addressing cards and envelopes
08/06/1981WO1981002139A1 Method and paper for electro-sensitive recording
08/05/1981EP0033046A1 Method for the thermo-optical recording of data and record carrier to carry out this method
08/04/1981US4282534 Thermal recording elements
08/04/1981US4282286 Process for making destructible marking film and method for marking
08/04/1981US4282275 Coating method apparatus for capsular coatings
08/04/1981US4281855 Pressure-sensitive or heat-sensitive recording material and novel 2,2-diarylchromeno compounds used therein
08/04/1981CA1106173A1 Process for the production of pressure sensitive carbonless record sheets using novel hot melt systems and products therefor
08/04/1981CA1106164A1 Inks for pulsed elctrical printing and methods of producing same
07/1981
07/28/1981US4280718 Pressure sensitive recording sheet containing size classified cereal starch granules
07/21/1981CA1105203A1 Heat transfer ink, sheet, process and printed fabric
07/15/1981EP0032104A2 Carbon paper
07/14/1981US4278756 Reflective data storage medium made by silver diffusion transfer
07/14/1981US4278434 Anthraquinone dyes, fibers
07/14/1981CA1104881A1 Process for producing microcapsules having secondary capsule walls and microcapsules produced thereby
07/14/1981CA1104820A1 Pressure sensitive recording papers
07/08/1981EP0031633A2 Method of marking a lens of plastics material
07/08/1981EP0031453A1 Ribbons for thermal transfer printing and methods of printing using such ribbons
07/07/1981US4277400 2(Indol-3'-oyl) 3,4,5,6-tetrahalo benzoic acid anhydrides
07/07/1981CA1104433A1 Fluidless masters
07/07/1981CA1104304A1 Method for transferring heat-transferable dyes
07/01/1981EP0031037A2 Metallized recording medium and method of recording
07/01/1981EP0030939A1 Process for preparing a thermochromic varnish, coating prepared therefrom and utilization thereof.
06/1981
06/30/1981US4276334 Pressure sensitive recording sheet
06/30/1981US4275906 Pressure sensitive recording sheets
06/30/1981US4275905 A photostable colorless marking liquid comprising a chromogen, a solvent, pyridyl blue, and a phenol
06/30/1981CA1103924A1 Rub resistant ribbon for non-impact printing
06/25/1981WO1981001757A1 Color imaging system
06/25/1981WO1981001687A1 A folder
06/24/1981EP0030774A1 Method for manufacturing a die
06/24/1981EP0030563A1 Heat-sensitive recording sheet
06/23/1981US4275206 Lactone compounds containing an indolizine radical
06/23/1981US4275121 Pressure sensitive elements or thermal parer marking systems
06/23/1981US4275005 Dyes for heat or pressure sensitive duplication
06/23/1981US4274660 Carbonless duplicating and marking systems
06/23/1981CA1103825A1 Process for the production of microcapsular coating compositions containing pigment particles and compositions produced thereby
06/23/1981CA1103824A1 Process for the production of hot melt coating compositions containing microcapsules
06/16/1981US4273672 Microencapsulation process
06/16/1981US4273603 Process for transfer of a magnetic layer from a temporary to a permanent support
06/16/1981US4273602 Heat-sensitive recording material
06/16/1981CA1103300A1 Method for information processing
06/16/1981CA1103023A1 Dye solvents for pressure - sensitive copying systems
06/16/1981CA1103022A1 Pressure-sensitive carbonless transfer sheets using novel hot melt systems and process for the production thereof
06/16/1981CA1103021A1 Method of continuous tone imaging and imaging film therefor
06/09/1981US4272292 Storage stability
06/09/1981US4272227 Variable displacement balanced vane pump
06/09/1981US4272106 Transparent dye layer which can undergo color shift in response to developer
06/09/1981CA1102619A1 Cassette loading hot leaf imprinter
06/03/1981EP0029645A2 Use of diphenylethane derivative as solvent for colour-former in pressure-sensitive recording materials; solutions, microcapsules, sheets coated with microcapsules and pressure-sensitive recording materials containing said solvent; method of copying using said sheets or recording materials
06/02/1981US4271224 A metal compound causes the coloring agent to lose its heat transferibility
06/02/1981US4271075 Process for producing 3,3-bis-(4-dimethylaminophenyl)-6-dimethylaminophthalide
06/02/1981US4271059 Color-developing composition for pressure-sensitive recording sheet material and process for the preparation thereof containing phenolic resin and hindered phenol
06/02/1981CA1102462A1 Coating composition for acceptor sheets in carbonless copying
06/02/1981CA1102437A1 Method for converting luminosity values into isochromates
06/02/1981CA1102124A1 Color developer for pressure-sensitive copying paper
06/02/1981CA1102123A1 Color developer for pressure-sensitive copying paper
06/02/1981CA1102122A1 Heat sensitive recording composition with complexed phenolics
05/1981
05/28/1981WO1981001389A1 Demand and timed renewing imaging media
05/27/1981EP0029323A2 Use of vinyl phenol polymer as colour developer for leuco pigment and colour developer composition and thermosensitive recording element comprising same
05/26/1981US4270130 Thermal deformation record device with bleachable dye
05/26/1981US4269978 Thiazolylphthalide compounds
05/26/1981US4269934 Optical masks; selective film discoloration by radiation
05/26/1981US4269893 Recording material containing a novel color developer
05/26/1981US4269892 Polyester ribbon for non-impact printing
05/26/1981US4269891 Recording sheet for ink jet recording
05/26/1981US4269729 Microencapsulation process and resulting microcapsules
05/26/1981US4269650 Transfer printing apparatus
05/26/1981US4269137 Pretreatment of substrates prior to thin film deposition
05/26/1981CA1101670A1 Image producing system
05/19/1981US4268840 Optical recording member
05/19/1981US4268634 Desensitizer for no-carbon copy paper
05/19/1981US4268575 Thermal recording elements
05/19/1981US4268413 Bodies with reversibly variable temperature-dependent light absorbence
05/19/1981US4268368 Electrophoretical method for selectively reinking resistive ribbon thermal transfer printing ribbons
05/19/1981US4268069 Paper coated with a microcapsular coating composition containing a hydrophobic silica
05/19/1981CA1101280A1 Method of printing on material in sheet or web form
05/19/1981CA1101207A1 Solvent compositions
05/12/1981US4267434 Method of and apparatus for heat processing photosensitive material
05/12/1981US4267261 Method for full format imaging
05/06/1981EP0027913A2 Pressure-sensitive or heat-sensitive recording material
05/05/1981US4266009 Imaging material and method of producing image thereon
05/05/1981US4265978 Heat-sensitive recording paper improved in keeping quality of ground color
05/05/1981CA1100313A1 Carbonless paper for use in electrostatographic copiers
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