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Pub. No.:    WO/2014/184482    International Application No.:    PCT/FR2014/051099
Publication Date: 20.11.2014 International Filing Date: 12.05.2014
Chapter 2 Demand Filed:    11.12.2014    
C09D 11/50 (2014.01)
Applicants: FASVER [FR/FR]; ZAE La Biste II 286 rue Charles Gide F-34670 Baillargues (FR)
Inventors: PHILIPPE, Eric; (FR).
BES, Laurence; (FR)
Agent: CABINET BARRE LAFORGUE & ASSOCIÉS; 35 rue Lancefoc F-31000 Toulouse (FR)
Priority Data:
1354254 13.05.2013 FR
Abstract: front page image
(EN)The invention relates to a thermochromic ink composition comprising, in a liquid medium, known as solvent, a dispersion of thermochromic microcapsules incorporating at least one leuco-dye and a thermoplastic binder selected from the group containing polyacrylic polyesters, polyurethanes and copolymers thereof. The composition is characterised in that the solvent is aprotic. The invention also relates to a method for producing a card and to such a card incorporating at least one thermochromic pattern produced with a thermochromic ink composition according to the invention.
(FR)L'invention concerne une composition d'encre thermochromique comprenant dans un milieu liquide, dit solvant, une dispersion de microcapsules thermochromiques incorporant au moins un leuco-colorant et un liant thermoplastique choisi dans le groupe formé des polyesters polyacryliques, des polyuréthanes, et de leurs copolymères, caractérisée en ce que ledit solvant est aprotique. L'invention s'étend à un procédé de fabrication d'une carte et à une telle carte incorporant au moins un motif thermochromique réalisé avec une composition d'encre thermochromique selon l'invention.
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, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, 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.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (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 (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG).
Publication Language: French (FR)
Filing Language: French (FR)