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1. (WO2016175871) WHITE INKS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2016/175871    International Application No.:    PCT/US2015/033184
Publication Date: 03.11.2016 International Filing Date: 29.05.2015
IPC:
C09D 11/30 (2014.01), B41J 2/01 (2006.01), B41M 5/00 (2006.01)
Applicants: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. [US/US]; 11445 Compaq Center Drive W. Houston, Texas 77070 (US)
Inventors: KASPERCHIK, Vladek; (US).
BRUINSMA, Paul Joseph; (US).
BUTLER, Thomas W.; (US)
Agent: FOUGERE, Jeffrey R.; (US)
Priority Data:
PCT/US2015/027743 27.04.2015 US
PCT/US2015/027793 27.04.2015 US
Title (EN) WHITE INKS
(FR) ENCRES BLANCHES
Abstract: front page image
(EN)The present disclosure provides a white ink including an aqueous ink vehicle; from 5 wt% to 50 wt% of a white metal oxide pigment having an average particulate size from 75 nm to 2,000 nm and a refractive index of 1.8 to 2.8; and from 0.1 wt% to 15 wt% of fumed oxide particulates having a tertiary agglomerated average particulate size from 20 nm to 750 nm and a refractive index of 1.1 to 1.6. The white ink further includes a polymeric dispersant associated with a surface of the white metal oxide pigment.
(FR)La présente invention concerne une encre blanche comprenant un véhicule d'encre aqueux; de 5 % en poids à 50 % en poids d'un pigment d'oxyde métallique blanc possédant une taille de particule moyenne de 75 nm à 2000 nm et un indice de réfraction de 1,8 à 2,8; et de 0,1 % en poids à 15 % en poids de particules d'oxyde pyrogéné possédant une taille de particule moyenne agglomérée tertiaire de 20 nm à 750 nm et un indice de réfraction de 1,1 à 1,6. L'encre blanche comprend en outre un dispersant polymère associé à une surface du pigment d'oxyde métallique blanc.
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, 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, ST, 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: English (EN)
Filing Language: English (EN)