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1. (WO2018067286) INK COMPOSITIONS
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№ de pub.: WO/2018/067286 № do pedido internacional: PCT/US2017/051714
Data de publicação: 12.04.2018 Data de depósito internacional: 15.09.2017
CIP:
C09D 11/023 (2014.01) ,C09D 11/03 (2014.01) ,C09D 11/322 (2014.01) ,C09D 11/38 (2014.01)
[IPC code unknown for C09D 11/023][IPC code unknown for C09D 11/03][IPC code unknown for C09D 11/322][IPC code unknown for C09D 11/38]
Requerentes:
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. [US/US]; 11445 Compaq Center Drive W. Houston, Texas 77070, US
Inventores:
DEARDURFF, Larrie; US
BHATT, Jayprakash C.; US
JACKSON, Milton Neill; US
Mandatário:
HASAN, Nishat; US
OAKESON, Gary P.; US
Dados da prioridade:
PCT/US2016/05570706.10.2016US
PCT/US2016/05572506.10.2016US
Título (EN) INK COMPOSITIONS
(FR) COMPOSITIONS D'ENCRE
Resumo:
(EN) The present disclosure is drawn to an ink composition including an aqueous liquid vehicle, from 2 wt% to 7 wt% self-dispersed pigment dispersed in the aqueous liquid vehicle, and from 0.5 wt% to 5 wt% acidic polymeric binder particles having an acid number from 30 to 200 and a particle size from 1 nm to 100 nm dispersed in the aqueous liquid vehicle. The ink composition can also include from 0.1 wt% to 0.75 wt% monovalent salt solubilized in the aqueous liquid vehicle. The self-dispersed pigment to monovalent salt weight ratio in the ink composition can be from 3:1 to 50:1, for example.
(FR) La présente invention concerne une composition d'encre comprenant un véhicule liquide aqueux, de 2 % en poids à 7 % en poids de pigment à dispersion spontanée dispersé dans le véhicule liquide aqueux, et de 0,5 % en poids à 5 % en poids de particules de liant polymère acide ayant un indice d'acide de 30 à 200 et une taille de particule de 1 nm à 100 nm dispersées dans le véhicule liquide aqueux. La composition d'encre peut aussi comprendre de 0,1 % en poids à 0,75 % en poids d'un sel monovalent solubilisé dans le véhicule liquide aqueux. Le rapport pondéral pigment à dispersion spontanée sur sel monovalent dans la composition d'encre peut, par exemple, être compris entre 3:1 et 50:1.
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Estados designados: 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, JP, 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
Organização Regional Africana da Propriedade Intelectual (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Instituto Eurasiático de Patentes (AM, AZ, BY, KG, KZ, RU, TJ, TM)
Instituto Europeu de Patentes (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)
Organização Africana da Propriedade Intelectual (OAPI) (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Língua de publicação: inglês (EN)
Língua de depósito: inglês (EN)