WIPO logo
Mobile | Deutsch | Español | Français | 日本語 | 한국어 | Português | Русский | 中文 | العربية |
PATENTSCOPE

Search International and National Patent Collections
World Intellectual Property Organization
Search
 
Browse
 
Translate
 
Options
 
News
 
Login
 
Help
 
Machine translation
1. (WO2017063971) PROCESS FOR THE DEINKING OF COATED PAPER OR PAPERBOARD
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2017/063971    International Application No.:    PCT/EP2016/074129
Publication Date: 20.04.2017 International Filing Date: 10.10.2016
IPC:
D21C 5/02 (2006.01), D21H 19/40 (2006.01), D21H 19/44 (2006.01), D21H 19/52 (2006.01), D21H 19/54 (2006.01)
Applicants: OMYA INTERNATIONAL AG [CH/CH]; Baslerstrasse 42 4665 Oftringen (CH)
Inventors: GANE, Patrick A.C.; (CH).
RENTSCH, Samuel; (CH).
WELKER, Matthias; (FR).
RIDGWAY, Catherine Jean; (CH)
Agent: GLAS, Holger; (DE)
Priority Data:
15189268.4 12.10.2015 EP
Title (EN) PROCESS FOR THE DEINKING OF COATED PAPER OR PAPERBOARD
(FR) PROCÉDÉ DE DÉSENCRAGE DE PAPIER OU DE CARTON COUCHÉ
Abstract: front page image
(EN)A process for the deinking of a coated paper or paperboard is disclosed, the process comprises a step of providing a coating layer comprising a calcium- or magnesium-exchanged clay which is deposited on the paper or paperboard before the ink layer. In a further step said calcium- or magnesium-exchanged clay is activated and the paper is subsequently treated with water.
(FR)La présente invention concerne un procédé de désencrage de papier ou de carton couché, le procédé comprenant une étape consistant à fournir une couche de revêtement comprenant une argile à échange de calcium ou de magnésium qui est déposée sur le papier ou le carton, avant la couche d'encre. Dans une autre étape, ladite argile à échange de calcium ou de magnésium est activée et le papier est ensuite traité avec de l'eau.
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, JP, KE, KG, 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.
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)