COLOR DEVELOPMENT WRITING COMPOSITIONS AND WRITING INSTRUMENTS

Writing compositions capable of undergoing a color development when brought into contact with a specific substrate including a color change- inducing compound are provided. Application of the writing compositions to surfaces other than the intended substrate will avoid color development and prevent...

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Hauptverfasser: BEDOYA, VICTOR H, ALLISON, KEITH J
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creator BEDOYA, VICTOR H
ALLISON, KEITH J
description Writing compositions capable of undergoing a color development when brought into contact with a specific substrate including a color change- inducing compound are provided. Application of the writing compositions to surfaces other than the intended substrate will avoid color development and prevent staining of the unintended surfaces. The writing compositions include at least one particulate filler including a clay, at least one leuco dye, one or more waxes chosen from a group consisting of polyethylene wax, soy wax, paraffin wax, and beeswax, at least one thermoplastic binder material including a polyethylene, titanium dioxide, and optionally at least one additive. Il est décrit des compositions décriture capable de connaître un développement de couleur lorsquelles sont mises en contact avec un substrat spécifique, y compris un composé dinduction de changement de couleur. Lapplication des compositions décriture à des surfaces autres que le substrat voulu évitera le développement de couleur et empêchera des taches des surfaces non voulues. Les compositions décriture comprennent au moins un produit de remplissage de particules comprenant une argile, au moins un colorant leuco, au moins une cire choisie dans le groupe constitué de cire de polyéthylène, de cire de soja, de cire de paraffine et de cire dabeille, au moins un liant thermoplastique comprenant un polyéthylène, du dioxyde de titane et, facultativement, au moins un additif.
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language eng ; fre
recordid cdi_epo_espacenet_CA3004634C
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subjects ADHESIVES
BUREAU ACCESSORIES
CHEMICAL PAINT OR INK REMOVERS
CHEMISTRY
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS
CORRECTING FLUIDS
DYES
FILLING PASTES
IMPLEMENTS FOR WRITING OR DRAWING
IMPREGNATING OR COATING OF PAPER
INKS
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
PAPER NOT OTHERWISE PROVIDED FOR
PAPER-MAKING
PASTES OR SOLIDS FOR COLOURING OR PRINTING
PERFORMING OPERATIONS
POLISHES
PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D
PRODUCTION OF CELLULOSE
PULP COMPOSITIONS
TEXTILES
TRANSPORTING
TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
USE OF MATERIALS THEREFOR
WOODSTAINS
WRITING OR DRAWING IMPLEMENTS
title COLOR DEVELOPMENT WRITING COMPOSITIONS AND WRITING INSTRUMENTS
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