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Machine translation
1. (WO2007087320) PAPERMAKING PROCESSES USING COAGULANTS AND OPTICAL BRIGHTENERS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2007/087320    International Application No.:    PCT/US2007/001806
Publication Date: 02.08.2007 International Filing Date: 24.01.2007
IPC:
D21H 17/28 (2006.01), D21H 21/30 (2006.01), D21H 21/10 (2006.01), D21H 21/18 (2006.01)
Applicants: BUCKMAN LABORATORIES INTERNATIONAL, INC. [US/US]; 1256 North McLean Boulevard, Memphis, TN 38108-0305 (US) (For All Designated States Except US).
HEADRICK, Gary, A. [US/US]; (US) (For US Only).
ROSENBERG, Alan, B. [US/US]; (US) (For US Only).
COVARRUBIAS, Rosa, M. [US/US]; (US) (For US Only)
Inventors: HEADRICK, Gary, A.; (US).
ROSENBERG, Alan, B.; (US).
COVARRUBIAS, Rosa, M.; (US)
Agent: KILYK, Luke, A.; Kilyk & Bowersox, P.L.L.C., 400 Holiday Court, Suite 102, Warrenton, VA 20186 (US)
Priority Data:
60/761,913 25.01.2006 US
Title (EN) PAPERMAKING PROCESSES USING COAGULANTS AND OPTICAL BRIGHTENERS
(FR) PROCÉDÉS DE FABRICATION DE PAPIER UTILISANT DES AGENTS COAGULANTS ET DES AZURANTS OPTIQUES
Abstract: front page image
(EN)A method of making paper or paperboard is described, which includes introducing at least one charged starch, preferably having a degree of substitution greater than 0.045, and at least one optical brightening agent to a papermaking pulp and then forming the pulp into paper or paperboard. The present invention further describes methods of improving optical brightener performance.
(FR)L'invention concerne un procédé de fabrication de papier ou de carton. Ce procédé consiste à introduire dans une pâte à papier au moins de l'amidon chargé, présentant de préférence un degré de substitution supérieur à 0,045, et au moins un azurant optique, puis à transformer la pâte en papier ou en carton. L'invention concerne en outre des procédés pour améliorer l'efficacité des azurants optiques.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, 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, LV, LY, MA, MD, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, SV, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, 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)