Patents
Patents for B41M 5 - Duplicating or marking methods; Sheet materials for use therein (48,459)
12/1989
12/26/1989US4889932 Thermography; coatings
12/26/1989US4889877 Carbonless copy paper
12/26/1989US4889841 Thermosensitive recording materials
12/26/1989US4889765 Blend of poly-2-oxazoline and modified ethylene-acrylic acid copolymer
12/26/1989US4889761 Solidification; uniform thickness
12/26/1989US4889756 Sheet-like, multilayer, laser-optical recording material
12/26/1989US4889746 Process for manufacturing an optical recording medium
12/26/1989US4889560 Fatty amide, colorant
12/20/1989EP0347183A2 Dye solution and process for the preparation of information recording medium
12/20/1989EP0346873A2 Flash thermal transfer method and flash thermal transfer apparatus for practicing the method
12/20/1989EP0346824A2 Process of producing high purity bis(4-hydroxyphenyl) sulfides and heat-sensitive recording materials contaning the same
12/20/1989EP0346729A2 Azo dye transfer process with a pyridine coupling component
12/20/1989EP0346726A2 Optical recording medium
12/20/1989EP0346485A1 Aromatic polymer moldings having modified surface condition and process for their production
12/20/1989EP0157783B1 Thermal development of photosensitive materials employing microencapsulated radiation sensitive compositions
12/19/1989US4888601 Image recording apparatus and method
12/19/1989US4888334 Pressure-sensitive microcapsule sheet
12/19/1989US4888322 Recording material containing leuco dye
12/19/1989US4888321 Subbing and recording layers each containing heat fusible material with defined melting point
12/19/1989US4888092 Primary paper sheet having a surface layer of pulp fines
12/19/1989CA1263956A1 Phthalide derivatives and recording system utilizing the same
12/19/1989CA1263919A1 Thermosensitive recording sheet
12/14/1989DE3818712A1 Process for the production of microcapsules, the microcapsules obtainable thereby and use thereof
12/13/1989EP0345755A2 Heat sensitive recording material
12/13/1989EP0345752A2 Optical information recording method and apparatus and recording medium used therefor
12/13/1989EP0345419A2 Heat-sensitive recording material
12/13/1989EP0345360A1 Laminate for protecting optical recording layer
12/13/1989EP0217809B1 Polymeric dyes
12/13/1989CN1006102B Method of optically recording and erasing information
12/12/1989US4887097 Recording medium and ink-jet recording process employing the same
12/12/1989US4887096 Recording apparatus
12/12/1989US4887095 Image recording apparatus using several types of energy and recording process
12/12/1989US4887094 Thermal recording apparatus
12/12/1989US4886775 Polyester resin comprising bisphenol a, carbonic acid and phthalic acid
12/12/1989US4886774 Cured overcoating that prevents transmission of ultraviolet radiation
12/12/1989US4886721 Germanium or tin derivative
12/12/1989US4886386 Ink ribbon having elastomeric protective backing
12/12/1989US4886384 Ribbon cassettes
12/06/1989EP0345232A2 Integrated optical device for magneto-optical recording and reading head
12/06/1989EP0345032A2 Method and composition for laser-marking
12/06/1989EP0344891A2 Tetraazaporphin, process for producing the same, as well as optical recording media using the same and production processes thereof
12/06/1989EP0344789A2 Recording card
12/06/1989EP0344705A2 Heat-sensitive recording material
12/06/1989EP0344592A2 Process for azo dye transfer
12/06/1989EP0344317A1 Optical data recording medium
12/05/1989US4885272 Photostability; hues; thermography
12/05/1989US4885271 Heat-sensitive recording material
12/05/1989US4885270 Novel thermosensitive recording sheet
12/05/1989US4884908 Overlappingly overstrikeable ribbon and use thereof in continuously full cassettes
12/05/1989CA1263536A1 Recording elements comprising write-once thin film alloy layers
12/05/1989CA1263534A1 Recording elements comprising write-once thin film alloy layers
12/05/1989CA1263533A1 Optical information recording card using polymer blend as recording material
11/1989
11/30/1989WO1989011394A1 Thermal record material
11/30/1989DE3910501A1 Electrolytic recording material for wet recording techniques
11/30/1989DE3817753A1 Colour ribbon for dye transfer under the action of heat
11/30/1989DE3817451A1 Verfahren zur speicherung und zur wiedergabe von informationen Method for storing and reproducing information
11/29/1989EP0343951A2 Coating and cleaning method using a thermo-plastic material
11/29/1989EP0343833A2 Fine-particle aggregate emulsion, process for producing such an emulsion, thermal recording media, coated paper and paint incorporating such an emulsion
11/29/1989EP0343780A2 Carbonless copying system and method of producing multiple colored copy images therewith
11/29/1989EP0343687A2 Heat sensitive recording paper
11/29/1989EP0343176A1 Sealing of containers
11/28/1989US4884081 Multilayer magnetic recording element
11/28/1989US4883741 Information recording medium
11/23/1989EP0343014A1 Thermal record material
11/23/1989EP0342986A2 Thermal transfer recording medium
11/23/1989EP0342980A2 Thermal transfer recording medium
11/23/1989EP0342713A1 Thermal transfer recording material and method
11/23/1989EP0342371A2 Method for the preparation of a thermal dye ribbon for thermal transfer printing
11/21/1989US4882593 Method and apparatus for carrying out transference recording of an ink image
11/21/1989US4882311 Heat-sensitive recording material
11/21/1989US4882310 Heat-sensitive recording material with heat-sensitive color developing layer containing prismatic calcium carbonate
11/21/1989US4882218 Heat softening layer with polyoxyethylene glycols having ether or ester linkages; high-speed printing on rough surfaces
11/21/1989CA1263049A1 Imageable toner powder
11/21/1989CA1263021A1 Pressure sensitive copy material
11/21/1989CA1263020A1 Heat-sensitive recording material
11/21/1989CA1263019A1 Heat-sensitive recording material
11/21/1989CA1263018A1 Recording elements comprising write-once thin film alloy layers
11/16/1989WO1989010845A1 Thermal transfer ribbon
11/16/1989WO1989010844A1 Thermal transfer ribbon
11/16/1989DE3913196A1 Thermal transfer film
11/15/1989EP0341877A2 Thermal dye transfer materials
11/15/1989EP0341842A2 Isopropyl 1-amino-4-m-toluidinoanthraquinone-2-carboxylate, and cyan compositions for sublimation transfer record and color toner containing it
11/15/1989EP0341715A2 Thermosensitive recording materials
11/15/1989EP0341658A2 Desensitizer composition
11/15/1989EP0341648A2 Process for producing microcapsules
11/15/1989EP0341567A2 Novel benzofuran dyes
11/15/1989EP0341541A2 Azulene-squarillic dyes containing urethane groups, their intermediary products and an optical recording medium
11/15/1989EP0227740B1 Thermal imaging method and element
11/15/1989EP0224568B1 Thermal imaging method and element and thermosensitive compound
11/14/1989USRE33113 Pressure sensitive recording paper
11/14/1989US4880857 Carbon black-graft polymer, method for production thereof, and use thereof
11/14/1989US4880769 Transfer of catinic dyes in their deprotonated, electrically neutral form
11/14/1989US4880768 No decrease in image density after multiple use
11/14/1989US4880767 Recording material
11/14/1989US4880766 Record material
11/14/1989US4880762 Coloring phthalide compounds, method of producing the compounds and recording materials using any of the compounds as coloring component
11/14/1989US4880686 Wax component; carbon black, polyethylene-vinyl acetate, copolymer and cyanine blue
11/14/1989US4880324 Two ink layers selectively transferred; temperature and time control; two color images
11/09/1989DE3914151A1 Squarylium compounds and their use in optical recording materials
11/08/1989EP0340723A2 Thiadiazolyl-azo-pyrazole yellow dye-donor element for thermal dye transfer