(12) International Application Status Report

Received at International Bureau: 21 March 2018 (21.03.2018)

Information valid as of: 30 April 2018 (30.04.2018)

Report generated on: 25 March 2019 (25.03.2019)

(10) Publication number: (43) Publication date: (26) Publication language:
WO 2019/00350703 January 2019 (03.01.2019) Japanese (JA)

(21) Application number: (22) Filing date: (25) Filing language:
PCT/JP2018/00955112 March 2018 (12.03.2018) Japanese (JA)

(31) Priority number(s): (32) Priority date(s): (33) Priority status:
2017-127613 (JP)29 June 2017 (29.06.2017) Priority document received (in compliance with PCT Rule 17.1)

(51) International Patent Classification:
C09D 11/16 (2014.01); B43K 1/12 (2006.01); B43K 8/02 (2006.01)

(71) Applicant(s):
MITSUBISHI PENCIL COMPANY, LIMITED [JP/JP]; 28-1, Ohi 1-chome, Shinagawa-ku, Tokyo 1408537 (JP) (for all designated states)

(72) Inventor(s):
HARUHARA, Yumiko; c/o Yokohama Office, MITSUBISHI PENCIL COMPANY, LIMITED, 5-12, Irie 2-chome, Kanagawa-ku, Yokohama-shi, Kanagawa 2218550 (JP)

(74) Agent(s):
AOKI, Atsushi; SEIWA PATENT & LAW, Toranomon 37 Mori Bldg., 5-1, Toranomon 3-chome, Minato-ku, Tokyo 1058423 (JP)

(54) Title (EN): OIL-BASED INK COMPOSITION FOR WRITING IMPLEMENTS
(54) Title (FR): COMPOSITION D'ENCRE À BASE D'HUILE POUR INSTRUMENTS D'ÉCRITURE
(54) Title (JA): 筆記具用油性インク組成物

(57) Abstract:
(EN): This oil-based ink composition for writing implements contains a colorant, a resin, an organic solvent, and fluorine-based resin particles, the average particle size of the fluorine-based resin particles being at least 0.1 μm and less than 1.0 μm when measured by a dynamic light scattering method.
(FR): L'invention concerne une composition d'encre à base d'huile pour instruments d'écriture qui contient un colorant, une résine, un solvant organique et des particules de résine à base de fluor, la taille de particule moyenne des particules de résine à base de fluor étant d'au moins 0,1 µm et inférieure à 1,0 µm lorsqu'elle est mesurée par un procédé de diffusion dynamique de la lumière.
(JA): 本発明の筆記具用油性インク組成物は、着色剤、樹脂、有機溶剤、フッ素系樹脂粒子を含有しており、動的光散乱法により測定したときの、前記フッ素系樹脂粒子の平均粒子径が、0.1μm以上1.0μm未満である、筆記具用油性インク組成物である。

International search report:
Received at International Bureau: 30 April 2018 (30.04.2018) [JP]

International Report on Patentability (IPRP) Chapter II of the PCT:
Not available

(81) Designated States:
AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
European Patent Office (EPO) : AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR
African Intellectual Property Organization (OAPI) : BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG
African Regional Intellectual Property Organization (ARIPO) : BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW
Eurasian Patent Organization (EAPO) : AM, AZ, BY, KG, KZ, RU, TJ, TM