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1. WO1997031985 - OIL-BASED PIGMENT INK FOR WRITING UTENSILS

Publication Number WO/1997/031985
Publication Date 04.09.1997
International Application No. PCT/JP1997/000566
International Filing Date 27.02.1997
Chapter 2 Demand Filed 30.05.1997
IPC
C09D 11/16 2006.1
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
16Writing inks
CPC
C09D 11/16
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
16Writing inks
Applicants
  • MITSUBISHI PENCIL KABUSHIKI KAISHA [JP]/[JP] (AllExceptUS)
  • IDOGAWA, Hiroyuki [JP]/[JP] (UsOnly)
Inventors
  • IDOGAWA, Hiroyuki
Agents
  • FUJIMOTO, Hiromitsu
Priority Data
8/4484701.03.1996JP
8/4484801.03.1996JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) OIL-BASED PIGMENT INK FOR WRITING UTENSILS
(FR) ENCRE CONTENANT UN PIGMENT A BASE D'HUILE POUR MATERIEL D'ECRITURE
Abstract
(EN) An oil-based pigment ink for writing utensils which comprises at least one solvent selected from the group consisting of alcohols and glycol ethers, a pigment, and an acrylic resin. The acrylic resin is a copolymer having a weight-average molecular weight of 50,000 or lower and obtained by the copolymerization of a monomer mixture comprising either styrene and a carboxylated acrylic monomer or styrene and an aminated acrylic monomer.
(FR) Cette invention concerne une encre contenant un pigment à base d'huile pour matériel d'écriture et qui comporte au moins un solvant sélectionné dans le groupe constitué par des alcools et des éthers glycoliques, un pigment et une résine acrylique. La résine acrylique est un copolymère ayant un poids moléculaire moyen en poids inférieur ou égal à 50000 que l'on obtient par copolymérisation d'un mélange de monomères comportant soit du styrène et un monomère acrylique carboxylé, soit du styrène et un monomère acrylique aminé.
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