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1. WO2014072172 - IRREVERSIBLY MAGNETICALLY INDUCED IMAGES OR PATTERNS

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Publication Number WO/2014/072172
Publication Date 15.05.2014
International Application No. PCT/EP2013/072077
International Filing Date 22.10.2013
IPC
B05D 3/00 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
DPROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
3Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
B41M 3/14 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
3Printing processes to produce particular kinds of printed work, e.g. patterns
14Security printing
B42D 15/00 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
DBOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
15Printed matter of special format or style not otherwise provided for
C09D 11/00 2014.1
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
11Inks
H01F 41/14 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
41Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
14for applying magnetic films to substrates
CPC
B05D 3/067
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
3Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
06by exposure to radiation
061using U.V.
065After-treatment
067Curing or cross-linking the coating
B05D 3/207
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
3Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
20by magnetic fields
207post-treatment by magnetic fields
B05D 5/061
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
5Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
06to obtain multicolour or other optical effects
061Special surface effect
B41M 3/14
BPERFORMING OPERATIONS; TRANSPORTING
41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING,
3Printing processes to produce particular kinds of printed work, e.g. patterns
14Security printing
B42D 2033/16
BPERFORMING OPERATIONS; TRANSPORTING
42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
DBOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
2033Structure or construction of identity, credit, cheque or like information-bearing cards
16Magnetic or magnetisable material
B42D 2033/20
BPERFORMING OPERATIONS; TRANSPORTING
42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
DBOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
2033Structure or construction of identity, credit, cheque or like information-bearing cards
20Coloured material; Pigments or inks
Applicants
  • SICPA HOLDING SA [CH]/[CH]
Inventors
  • LEFEBVRE, Olivier
  • MAGNIN, Patrick
  • SCHALLER, Christophe
Agents
  • HEPP, Dieter
Priority Data
12191947.609.11.2012EP
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) IRREVERSIBLY MAGNETICALLY INDUCED IMAGES OR PATTERNS
(FR) IMAGES OU DESSINS MAGNÉTIQUEMENT INDUITS IRRÉVERSIBLES
front page image
Abstract
(EN) The present invention relates to the field of the protection of security documents, especially banknotes, against illegal actions such as robbery or theft. In particular, the present invention relates to the field of ink compositions for producing irreversibly magnetically induced images or patterns, said inks comprising multichromal microspheres, preferably bichromal microspheres (1) that are orientable upon application of a magnetic field and that comprise at least a first portion (2) comprising one or more dyes and/or pigments and at least a second portion (3) comprising one or more magnetic or magnetizable materials, wherein said microspheres (1) comprise as the first portion a core (2) having a surface and comprising the one or more dyes and/or pigments and as the second portion a partial coating (3) covering at least a portion of the surface of said core (2) and comprising the one or more magnetic or magnetizable materials.
(FR) La présente invention concerne le domaine de la protection des documents de sécurité, en particulier les billets de banque, contre les actions illégales, telles que le pillage ou le vol. En particulier, la présente invention concerne le domaine des compositions d’encre pour produire des images ou des dessins magnétiquement induits irréversibles, lesdites encres comprenant des microsphères multichromes, de préférence des microsphères bichromes (1) qui sont orientables par application d’un champ magnétique et qui comprennent au moins une première partie (2) comprenant un ou plusieurs colorants et/ou pigments et au moins une deuxième partie (3) comprenant un ou plusieurs matériaux magnétiques ou magnétisables, où lesdites microsphères (1) comprennent en tant que première partie un noyau (2) ayant une surface et comprenant les un ou plusieurs colorants et/ou pigments, et en tant que deuxième partie un enrobage partiel (3) recouvrant au moins une partie de la surface dudit noyau (2) et comprenant les un ou plusieurs matériaux magnétiques ou magnétisables.
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