Patents
Patents for B41M 5 - Duplicating or marking methods; Sheet materials for use therein (48,459)
01/1984
01/03/1984US4424091 Metal compound
01/03/1984CA1159648A1 Record material carrying a colour developer composition
12/1983
12/28/1983EP0096806A1 Aqueous inks for transfer printing
12/28/1983EP0096740A1 Laminated transfer medium for thermal printing and lift-off correction
12/27/1983US4423139 Stabilizer combination for dye oxidation
12/27/1983US4423116 Reusable projection transparency
12/27/1983US4423091 Method of making microcapsules
12/27/1983US4422854 Transfer printing support, process for the manufacture thereof, with blue azo dye:di-cyano-nitro-phenyl-azo aniline
12/27/1983US4422671 Coating compositions for the production of a recording material
12/27/1983US4422670 Color developing sheet for pressure-sensitive recording sheet
12/27/1983CA1159307A1 Thermo-optical data writing process and data medium for performing this process
12/22/1983WO1983004395A1 Photographic paper for use in sublimation transfer color hard copying
12/22/1983WO1983004394A1 Vaporizable dye composition and sheet containing same
12/21/1983EP0096623A1 Protected optical disc with freely mounted layer bearer
12/21/1983EP0096503A2 Heat sensitive film shutter
12/20/1983US4422159 Optical information storage and retrieval
12/20/1983US4421560 Reversible metachromatism
12/20/1983US4421429 Resistive substrate for thermal printing ribbons comprising a mixture of thermosetting polyimide, thermoplastic polyimide, and conductive particulate material
12/20/1983US4421344 Pressure-sensitive record color-developing sheet
12/13/1983US4420758 Electrothermic non-impact recording method and apparatus
12/13/1983US4420538 Heat-sensitive recording materials
12/13/1983CA1158437A1 Pressure sensitive recording materials
12/08/1983WO1983004330A1 Heat-sensitive optical recording medium
12/08/1983WO1983004220A1 Non-carbon copying paper
12/06/1983US4419392 Process for producing compact lacquer layers for record carriers
12/06/1983US4419388 Mixed metal sulfate or selenate
12/06/1983US4419024 Thermosetting polyimide, thermoplastic polyimide, graphite mixture
12/06/1983US4418942 Microcapsule sheet for pressure-sensitive recording paper
12/06/1983US4418941 Color-forming microcapsules
12/06/1983CA1158045A1 Recording medium
11/1983
11/30/1983EP0095380A2 Thermal transfer printing method
11/30/1983EP0095114A2 Fluorane compounds, process for their preparation and their use as colour components in copying systems
11/29/1983US4418098 Imaging media capable of displaying sharp indicia
11/29/1983US4417752 Esters of higher fatty acids
11/23/1983EP0094657A2 Fluorane compounds, process for their preparation and their use as colour components in copying systems
11/22/1983US4417059 Color formers for carbonless duplicating and thermal marking
11/22/1983US4416939 Heat-sensitive recording paper
11/22/1983US4416471 Color-developing sheet for pressure-sensitive recording sheet
11/16/1983EP0094273A1 Manufacturing method for a protected optical disc, and disc obtained by this method
11/16/1983EP0094228A2 Decorative sheets and coverings comprising polyvinyl chloride and cationic dyestuffs
11/16/1983EP0093858A1 Lift-off correctable transfer medium for printing and process of manufacture
11/15/1983US4415903 Electric ink transfer recording method
11/15/1983US4415633 Heat-sensitive recording material
11/15/1983US4415627 Chemically resistant thermosensitive recording paper
11/15/1983CA1157150A1 Permanent thermo-optical memory structure
11/15/1983CA1157149A1 Physically optimized optical disc structure, method and apparatus
11/15/1983CA1157075A1 Sheet material carrying an unobtrusive image and method for its production
11/15/1983CA1156869A1 Imaging film and method
11/09/1983EP0093209A1 Improved chemical carbonless copy paper and image receptor medium therefor
11/09/1983EP0093208A1 Improved chemical carbonless copy paper and transfer medium therefor
11/08/1983US4414399 Leuco dyes, carbonless duplicating
11/08/1983US4414273 Thermal recording materials
11/08/1983US4414259 Heat-sensitive record material
11/08/1983US4413843 Microcapsules, method for their production and pressure sensitive copying sheet
11/08/1983CA1156794A1 Thermochromic polyacetylenic compositions, processes therefor, and use thereof in temperature measuring devices and for recording and thereafter erasing images
11/08/1983CA1156716A1 Sheet feeding for a facsimile system and the like
11/08/1983CA1156459A1 Polyurethane ribbon for non-impact printing
11/02/1983EP0092592A1 Reusable writing material
11/01/1983US4412959 Polyreaction involving a pyrimidine, pyridazine or triazine compound
10/1983
10/27/1983WO1983003702A1 Optical storage system employing a novel multi-layer optical medium
10/26/1983EP0092356A2 A process for manufacturing minute capsules
10/26/1983EP0092113A2 Optical recording medium for use in an optical storage system and method for making such recording medium
10/25/1983US4412231 Light recording medium
10/25/1983US4412229 Line recording method
10/25/1983US4412045 Color developer for pressure-sensitive copying paper
10/25/1983US4411979 Diazo compound, coupler, thermo-fusion material, and binder
10/25/1983US4411700 Amidine derivatives
10/25/1983US4411699 Desensitizer compositions
10/25/1983US4411667 By sublimation
10/25/1983US4411452 Benzhydryl sulfone color formers; non-staining; non-discoloring
10/25/1983US4411451 Microcapsules, a protecting agent and a binder
10/25/1983US4411450 Pressure-sensitive or heat-sensitive recording material
10/18/1983US4410901 Electrochemical marking
10/18/1983US4410898 Multicolor heat-sensitive recording apparatus
10/18/1983US4410708 Chromogenic fluoran derivatives and the preparation and use thereof
10/18/1983US4410581 Encapsulated recording layer
10/18/1983US4410576 Such as cellophane tape
10/18/1983US4410401 Method for manufacturing a die
10/18/1983US4409893 Process for printing porous image
10/18/1983CA1155548A1 Optical recording medium and method for its formation
10/18/1983CA1155547A1 Optical recording device having several ablative recording layers
10/18/1983CA1155546A1 Dielectric recording medium
10/18/1983CA1155333A1 Ribbon configuration for resistive ribbon thermal transfer printing
10/18/1983CA1155297A1 Solvents, solutions, and pressure-sensitive mark-recording systems
10/12/1983EP0091402A2 Chromenoazaindolizines, process for their preparation and their use in pressure or heat sensitive recording materials
10/12/1983EP0090907A1 Overlapping overprint inking ribbon
10/11/1983USRE31412 Fluoran compound as color-former
10/11/1983US4409374 Color developer for pressure-sensitive copying paper
10/11/1983US4409316 Resistively heatable photothermographic element with strippable layer
10/11/1983US4409272 Coating with a montmorillonite dispersion whose ph is adjusted with potassium compound
10/11/1983US4409156 Process for producing microcapsules
10/11/1983US4408781 Recording materials
10/11/1983CA1154963A1 USE OF.alpha.,.alpha.'-BIS(DIALKYLAMINOBENZYLIDENE) KETONE DYES IN OPTICAL RECORDING ELEMENTS
10/05/1983EP0090695A1 Optical disc protected from humidity
10/05/1983EP0090057A1 Method of recording information on an electrosensitive recording surface
10/05/1983EP0090056A1 Method and arrangement for controlling a row of recording electrodes for recording information on an electrosensitive record carrier
10/04/1983US4408215 Electrochemical marking apparatus
10/04/1983US4407892 Heat sensitive recording sheet
10/04/1983US4407886 Color-developing coating
10/04/1983US4407695 Etching monolayer of colloidal particles