Patents
Patents for B41M 5 - Duplicating or marking methods; Sheet materials for use therein (48,459)
01/1981
01/06/1981US4243726 Structured donor sheet for high-resolution non-impact printer
01/06/1981US4243716 Thermal sensitive paper minimized in residue deposition on thermal head
01/06/1981US4243694 Jet ink process and ink composition fluorescent in ultraviolet light
01/06/1981US4243250 Furopyridinones or furopyrazinones as color formers
01/06/1981CA1093214A1 Microprogram address dualing
12/1980
12/30/1980US4242513 Lactone compounds containing a heterocyclic radical
12/30/1980US4242137 Hydroxyethyl cellulose, glycol
12/30/1980US4242092 Method of sublimatic printing on sheet structures
12/24/1980WO1980002820A1 Heat-sensitive recording sheet
12/23/1980US4241356 Recording medium for thermographic recording of data items
12/23/1980US4240712 Thermo-optique smectic liquid-crystal storage display
12/23/1980CA1091998A1 Copy paper sheet and method of making the same
12/23/1980CA1091982A1 Transfer sheet
12/16/1980US4239815 Method of producing recording sheets
12/16/1980CA1091757A1 Pulsed electrical printer with dielectrically isolated electrode
12/10/1980EP0020292A1 Auxiliary supports for transfer printing and thermographic printing process using these supports
12/09/1980US4238803 Information recording methods using lasers
12/09/1980US4238549 Fluorescent dye, thermoplastic binder, wax, plasticizer, solvent
12/09/1980US4238524 Process for identification marking clear plastic articles
12/09/1980US4238130 Pressure-sensitive or heat-sensitive recording material
12/02/1980US4237468 Recording member
12/02/1980US4237212 Process for forming images
12/02/1980US4236732 Color developing layer containing particles of a chromogenic material, an acceptor and a heat fusible material
12/02/1980CA1090645A1 Data recording method using a metal acetyl acetonate in a light absorbing layer
12/02/1980CA1090630A1 Plastic recording media for holography
12/02/1980CA1090570A1 Carbonless copying papers
12/02/1980CA1090504A1 High solids active clay coating formulations and method for producing and applying the same
11/1980
11/26/1980EP0019329A1 Information recording element
11/25/1980US4235769 Color-developing phenolic-aldehyde composition for pressure-sensitive recording sheet material and process for the preparation thereof
11/25/1980US4235657 Melt transfer web
11/25/1980US4235458 Process for the production of hot melt coating compositions containing microcapsules
11/25/1980CA1090372A1 Optically active cyano-biphenyl compounds and liquid crystal materials containing them
11/25/1980CA1090053A1 Heat transfer sheets
11/18/1980US4234673 Manufacture of signs using photoimaging and heat transfer
11/18/1980US4234213 Leuco dyes, marking, acid clays
11/18/1980US4234212 Recording sheet
11/12/1980EP0018708A1 Decoration transfer material, method of decorating a substrate using such a transfer material, and printing ink therefor
11/12/1980EP0018537A1 Pressure and heat sensitive recording material
11/11/1980US4233178 Micro-capsules and method for their production
11/11/1980US4232887 Pressure sensitive and heat sensitive elements for recording
11/04/1980US4232083 Color precursor, activators, fingerprints
11/04/1980US4231829 Process of transfer printing
11/04/1980US4231742 Manufacture and use of heat transfer printings
11/04/1980CA1089135A1 Method for preparing improved color developing agents for copying papers
11/04/1980CA1088938A1 3,3-d1-substituted phthalides and intermediates and processes
10/1980
10/29/1980EP0017823A1 Self-copying paper, particularly for composing printed forms arranged in stacked sheets and method of manufacturing it
10/29/1980EP0017717A1 Coating composition containing a polyaniline salt semiconductor, a method of preparing said composition and an element with a conductive layer formed from said composition
10/28/1980US4230939 Laser light absorbing dye
10/28/1980US4230776 Lactone color former, phenolic compound
10/28/1980US4230743 Process for producing pressure-sensitive copying paper
10/28/1980US4230514 Process for making form sets from carbonless copy paper sheets
10/28/1980US4230495 Process for producing a pressure-sensitive carbonless copy sheet using microcapsules formed in situ in a radiation curable binder
10/28/1980CA1088381A1 Low cost transfer ink coating
10/28/1980CA1088307A1 Record material
10/21/1980US4229345 (2-Chloro-4-cyanophenyl) (4-dialkylaminophenyl)-diazine dye useful for transfer printing
10/21/1980US4229239 Dissolving support
10/15/1980EP0017386A1 Self-contained pressure sensitive recording paper
10/15/1980EP0017289A1 Optical recording device having several ablative recording layers
10/15/1980EP0017113A1 Method and apparatus for recording information
10/14/1980US4228222 Heat-sensitive record material
10/14/1980US4228216 Production of radiation curable microcapsular coating compositions, pressure-sensitive transfer paper and its production
10/14/1980US4228031 Polyamine-epoxy resin dispersion
10/07/1980US4227229 Lightning arrester device
10/07/1980US4227200 Pigmented jet printing and product
10/07/1980US4226962 P-substituted phenol, salicylic acid, formaldehyde
10/07/1980US4226912 Fluoran compound developing agents
10/07/1980US4226442 For pressure sensitive carbonless transfer media, polyvinyl formal, acetal or butyral binder
10/07/1980CA1087202A1 Process for manufacturing crystal violet lactone
10/01/1980EP0016730A2 Colour developer substance for producing a pressure sensitive recording material; sheet coated with this colour developer; pressure sensitive recording material and process for its preparation
10/01/1980EP0016366A1 Method for preparing microcapsules
10/01/1980EP0016320A2 A ribbon for non-impact electrothermic printing
09/1980
09/30/1980US4225652 Vinyl acetate-vinyl alcohol copolymer and reaction product of epoxidized rubbery polymer with a secondary amine
09/23/1980US4224358 T-Shirt coloring kit
09/23/1980CA1086350A1 Manifold sets secured by glue in recesses
09/23/1980CA1086331A1 Substituted benzopinacols and their preparation
09/17/1980EP0015430A1 Transfer printing process as well as printing inks and auxiliary sheets for carrying out this process
09/16/1980US4223060 Pressure-sensitive copying paper
09/16/1980US4223057 Simultaneous transfer printing and embossing or surface texturing method, and embossing member for use therein
09/16/1980US4222891 Method of making oil-containing microcapsules
09/09/1980US4221710 Pressure sensitive recording sheet
09/09/1980US4221690 Coating composition for acceptor sheets in carbonless copying
09/09/1980US4221471 Liquid crystal memory device and method of utilizing same
09/09/1980CA1085237A1 Ribbon for non-impact printing
09/03/1980EP0015141A1 Dielectric recording medium and a method of making a record
09/03/1980EP0015133A2 Pressure sensitive copying system
09/03/1980EP0014921A1 Coating compositions and processes
09/03/1980EP0014901A2 Process for printing a substrate resistant to a heat of more than 220 degrees C
09/03/1980EP0014826A2 Element having reversible and fixed light-extinction effects which are variable with temperature
09/02/1980US4220357 Diphenylphthalide duplicating and marking systems
09/02/1980US4220356 Recording materials containing chromenoindoles
09/02/1980US4220115 Lumber marking apparatus
08/1980
08/26/1980US4219721 Marking of lenses
08/26/1980US4219604 Method of forming microcapsules, microcapsular dispersion, and pressure sensitive recording sheet
08/26/1980US4219439 Controlling aggregation by agitation of suspension during cooling process
08/26/1980US4219220 Recording material for use in a pressure sensitive copying system
08/26/1980US4219219 Developers for pressure-sensitive recording and developing sheets containing them
08/26/1980CA1084513A1 2-furanones and preparation thereof
08/20/1980EP0014615A1 Process and device for the decoration of a substrate, in particular spectacle frame
08/19/1980US4218506 Microencapsulation, hardening capsule walls in presence of alkali salt of acrylic acid copolymer
08/19/1980US4218504 Heat-sensitive recording paper