Patents
Patents for B41M 5 - Duplicating or marking methods; Sheet materials for use therein (48,459)
03/1980
03/20/1980WO1980000501A1 Carrier for image recording of the image thereon and a device for implementation of that method
03/18/1980US4193889 Microencapsulation with modified aliphatic polyisocyanates
03/18/1980US4193751 Multiple distributor heads for laying dry fibers
03/18/1980CA1073794A1 Printer ribbon substrates
03/11/1980CA1073205A1 Deactivated color-forming inks in image-making systems
03/11/1980CA1073155A1 Compositions and methods relating to transfer processes
03/04/1980US4191690 Color formers
03/04/1980US4191404 Process for producing a pressure-sensitive carbonless copy sheet using microcapsules formed in situ in a radiation curable binder
03/04/1980US4191403 Donor material for carbonless copying
03/04/1980CA1072963A1 Derivatives of dianhydrides as vinyl color formers
02/1980
02/26/1980US4190417 Process for dyeing and printing sheets
02/20/1980EP0008205A1 Thermosensitive recording material
02/20/1980EP0008198A2 Electric recording material and method of electric recording
02/20/1980EP0008161A1 Process of preparing manifold sets and the sets thus obtained
02/19/1980US4189171 Marking systems containing 3-aryl-3-heterylphthalides and 3,3-bis(heteryl)phthalides
02/19/1980US4188880 Blank for conversion into a perforated stencil by spark erosion
02/12/1980US4188456 Pressure-sensitive recording sheet
02/12/1980US4188212 Electric current conductive composition, image recording element containing the same and process for recording images using the same
02/12/1980US4188139 Method and apparatus for correctably printing characters with sublimable ink
02/12/1980CA1071599A1 Exhaust system for pyrographic printer
02/06/1980EP0007784A1 Thermal recording material
02/06/1980EP0007560A1 Color-developing sheet for no-carbon copying process
02/05/1980US4187233 Pressure-sensitive or heat-sensitive recording material and novel 2,2-diarylchromeno compounds used therein
02/05/1980US4187223 3-[4-(Disubstituted-amino)phenyl]-3-(diphenylamino)phthalides
02/05/1980US4187193 Micro-capsules containing ureido fluoran chromogenic compounds
02/05/1980US4186731 Topical Thermograph
02/05/1980US4186659 Machine for addressing cards and envelopes
01/1980
01/29/1980US4186243 Image producing system
01/29/1980US4186224 Record member and encapsulated clay for use therein
01/29/1980US4186134 3-Indolyl-3-phenyl-phthalides
01/29/1980US4186115 Novel radiation curable coating compositions for pressure-sensitive transfer sheets
01/29/1980US4185957 Heat transfer black dyestuff B
01/29/1980CA1070573A1 Non-bleed pre-printed spirit duplicating masters
01/23/1980EP0006851A1 Method and apparatus for making a compiled copy
01/22/1980US4184872 Additive system of color photography based on iridescent pigments
01/22/1980US4184428 Perforating-printing device for making and using thermal stencils
01/22/1980CA1070369A1 High frequency alternating field charging of aerosols
01/22/1980CA1070334A1 Preparation of alkylnaphthalene mixture
01/22/1980CA1070054A1 Reduced charge montmorillonite pigment and use in record material
01/15/1980US4184003 Stable hectograph compositions, transfer elements and processes
01/15/1980US4183553 Carbonless copying
01/09/1980EP0006599A1 A self-contained color forming pressure sensitive record paper of the single coating type
01/09/1980EP0006327A1 Apparatus for distributing fibres uniformly over a conveyor surface
01/08/1980US4183094 Optical storage medium using the frequency domain
01/08/1980US4182714 Carbazole containing phthalides
01/01/1980US4181771 Thermally responsive record material
01/01/1980US4181328 Microcapsules of a color-former and a triarylmethane solvent
12/1979
12/25/1979US4180656 Azomethine compounds
12/25/1979US4180405 Color-forming lactones or spiropyrans with cyclic polyketo color precursor
12/25/1979CA1068697A Triazinyl-fluorans as colorless precursors in carbonless duplicating systems
12/18/1979CA1068173A1 Pressure-sensitive transfer elements
12/12/1979EP0005976A1 Process for preparing zinc-modified phenol-aldehyde novolak resins and heat- or pressure-sensitive recording material carrying a resin so prepared
12/12/1979EP0005975A1 Process for preparing zinc-modified phenol-aldehyde novolak resins and heat or pressure-sensitive recording material carrying a resin so prepared
12/12/1979EP0005948A1 A transfer and process for its use in determining repeatable process conditions for transfer printing
12/12/1979EP0005921A1 Mark-recording systems
12/11/1979US4178598 Transfer or recording sheet having a textured surface
12/11/1979CA1067990A1 Beam addressed liquid crystal cells
12/11/1979CA1067761A1 Capsules with a shell of water-soluble polymer cross linked by precondensates
12/04/1979US4177314 Method of printing paper
12/04/1979US4177299 Aluminum or aluminum alloy article and process
11/1979
11/28/1979EP0005475A1 Process for the preparation of 4,4'-diaminobenzhydrol and its substitution products
11/27/1979US4176406 Information recording and recognition
11/27/1979US4176277 Thermosensitive data-carrier designed for the recording of information and a method of recording information on such a data-carrier
11/27/1979US4175836 Method and apparatus for forming visible images
11/27/1979CA1066948A1 Process for the production of planographic printing forms by means of laser beams
11/20/1979US4175151 Process for the production of decal transfers and decal transfers produced according to the process
11/20/1979US4175145 Spreading a liquid polyurethane polymer on a substrate by spinning; curing layer
11/20/1979US4174856 Chromenoindole color formers
11/14/1979EP0005251A2 Process for the preparation of sulfinates of 4,4'-diaminobenzhydrol and of its substituted products, and copying paper containing these compounds
11/06/1979US4173684 Production of novel metal modified novolak resins and their use in pressure sensitive papers
11/06/1979US4173677 Film-forming vinyl chloride polymer, leuco dye, zinc compound
11/06/1979CA1065983A1 Data carrier for optical read-out
10/1979
10/31/1979EP0005024A1 Sheet materials
10/30/1979US4172727 Desensitizer compositions
10/30/1979US4172605 Chemically reactive recording medium
10/30/1979US4172418 Electrostatic printing apparatus and method
10/23/1979US4172180 Basic polymer which reacts with hydrogen halide and is capable of forming quaternary salt, and halogen containing polymer capable of forming conjugated polyene by elimination of hydrogen halide
10/23/1979US4171981 Process for the production of hot melt coating compositions containing microcapsules
10/23/1979CA1064951A1 Styryl-like compounds and preparing the same
10/16/1979USRE30116 Microencapsulated pressure sensitive elements
10/16/1979US4171417 Quaternary diallyldialkyl ammonium and fluoro acrylate monomers
10/16/1979US4171230 Transfer medium which is suitable for heat transfer printing on aluminum
10/16/1979US4171202 Sheet containing sublimable dye and blocking reagent for heat transfer printing
10/09/1979US4170483 Process for the production of self-contained carbonless copy record sheets and coating composition for use therein
10/03/1979EP0004432A1 Optical storage system
10/02/1979US4169661 Thermal-optical converter
10/02/1979CA1063415A1 Planographic printing plate with layer of diazo compound, carbon and nitrocellulose
10/02/1979CA1063348A1 Heat-sensitive recording material
09/1979
09/25/1979US4169183 9-Dialkylamino-spiro [6H-[1]benzopyrano[3,2-g]quinoline-6,1'(3'H)-isobenzofuran]-3'-one compounds and pressure-sensitive recording system therewith
09/25/1979US4169169 Transfer process and transfer sheet for use therein
09/25/1979US4168845 Heat-sensitive record material
09/25/1979US4168662 Videojet ink for printing on food products
09/25/1979CA1063214A1 Thermographic plate for measuring temperature distributions
09/18/1979US4168378 3-(9-Julolidinyl)-3-(diphenylamino)phthalides
09/18/1979US4168218 Preparation of substituted benzopinacols
09/05/1979EP0003789A1 Method of making planographic printing plates
09/05/1979EP0003726A1 Substituted diaminophthalides, process for their preparation and their use as colour formers in pressure or heat sensitive recording materials
09/04/1979US4166758 Calendering and embossing
09/04/1979US4166644 Pressure-sensitive record material containing urea-formaldehyde resin pigment
08/1979
08/28/1979US4165741 Heat-sensitive recording materials and recording process of using the same