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1. (WO2013112511) SEPARATED TREATMENT OF PAPER SUBSTRATE WITH MULTIVALENT METAL SALTS AND OBAS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2013/112511    International Application No.:    PCT/US2013/022640
Publication Date: 01.08.2013 International Filing Date: 23.01.2013
IPC:
D21H 23/22 (2006.01)
Applicants: INTERNATIONAL PAPER COMPANY [US/US]; 6400 Poplar Avenue Memphis, TN 38197 (US)
Inventors: SKAGGS, Benny, J.; (US).
BROLLIER, Brian W.; (US)
Agent: ECKERT, Inger H.; International Paper Company 6285 Tri-Ridge Boulevard Loveland, OH 45140 (US)
Priority Data:
61/589,513 23.01.2012 US
Title (EN) SEPARATED TREATMENT OF PAPER SUBSTRATE WITH MULTIVALENT METAL SALTS AND OBAS
(FR) TRAITEMENT DISTINCT D'UN SUBSTRAT DE PAPIER AVEC DES SELS MÉTALLIQUES MULTIVALENTS ET DES AZURANTS OPTIQUES
Abstract: front page image
(EN)A process for providing printable substrates by separately treating one or both surfaces of a paper substrate with an optical brightening agent (OBA) and a multivalent metal salt drying agent, where one or both surfaces of the paper substrate is treated with one of these two agents at the size press, and where the surface(s) is treated with the other of these two agents before or after the size press.
(FR)La présente invention concerne un procédé consistant à fournir des substrats imprimables par traitement distinct d'une ou des deux surfaces d'un substrat de papier avec un azurant optique et un produit siccatif à base de sel métallique multivalent, la ou les surface(s) du substrat papier étant traitée(s) avec l'un de ces deux agents à la presse encolleuse, et la ou les surface(s) étant traitée(s) avec l'autre desdits deux agents avant ou après la presse encolleuse.
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, IS, JP, KE, KG, KM, 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, 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, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)