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1. (WO2007001470) IMPROVED RETENTION AND DRAINAGE IN THE MANUFACTURE OF PAPER
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2007/001470 International Application No.: PCT/US2005/046105
Publication Date: 04.01.2007 International Filing Date: 22.12.2005
Chapter 2 Demand Filed: 19.10.2006
IPC:
D21H 21/10 (2006.01)
D TEXTILES; PAPER
21
PAPER-MAKING; PRODUCTION OF CELLULOSE
H
PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D84; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G97; PAPER NOT OTHERWISE PROVIDED FOR
21
Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper impregnating or coating material, characterised by its function, form or properties
06
Paper forming aids
10
Retention agents or drainage improvers
Applicants:
HERCULES INCORPORATED [US/US]; HERCULES PLAZA 1313 North Market Street Wilmington, Delaware 19894-0001, US (AllExceptUS)
Inventors:
ZHANG, Fushan; US
HARRINGTON, John, C.; US
SUTMAN, Frank, J.; US
Agent:
ROSSI, Joanne Mary Fobare; HERCULES INCORPORATED HERCULES PLAZA 1313 North Market Street Wilmington, Delaware 19894-0001, US
Priority Data:
11/313,57921.12.2005US
60/693,85424.06.2005US
Title (EN) IMPROVED RETENTION AND DRAINAGE IN THE MANUFACTURE OF PAPER
(FR) PROCEDE D'AMELIORATION DE LA RETENTION ET DE L'EGOUTTAGE DANS LA FABRICATION DU PAPIER
Abstract:
(EN) A method of improving retention and drainage in a papermaking process is disclosed. The method provides for the addition of an associative polymer, starch or a starch derivative and optionally a siliceous material to the papermaking slurry. Additionally, a composition comprising an associative polymer and starch or starch derivative and optionally further comprising cellulose fiber is disclosed.
(FR) L'invention concerne un procédé d'amélioration de la rétention et de l'égouttage dans la fabrication du papier. Le procédé comprend l'addition d'un polymère associatif, d'amidon ou d'un dérivé d'amidon, et éventuellement d'un matériau siliceux à la pâte à papier. L'invention concerne également une composition comprenant un polymère associatif, de l'amidon ou un dérivé d'amidon, et comprenant éventuellement en outre une fibre de cellulose.
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, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (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)
Also published as:
MXMX/a/2007/015821KR1020080024139BRPI0520383EP1910616ZA2008/00051JP2008544106
CN101208479CA2612908AU2005333560