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1. (WO2013057383) STARCH FOR REINFORCING THE CORE OF PLASTERBOARDS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2013/057383    International Application No.:    PCT/FR2011/052412
Publication Date: 25.04.2013 International Filing Date: 17.10.2011
IPC:
C04B 24/38 (2006.01), C04B 28/14 (2006.01), C04B 28/16 (2006.01)
Applicants: LAFARGE GYPSUM INTERNATIONAL [FR/FR]; 5 Boulevard Louis Loucheur F-92210 St Cloud (FR) (AE, AG, AM, AO, AU, AZ, BA, BB, BF, BH, BJ, BW, BY, BZ, CA, CF, CG, CI, CM, CR, CU, DM, DO, DZ, EG, GA, GD, GE, GH, GM, GN, GQ, GT, GW, HN, IL, KE, KG, KM, KN, KZ, LC, LR, LS, LY, MA, MD, ME, MG, ML, MR, MW, MX, MZ, NA, NE, NG, NI, NZ, OM, PG, QA, RU, RW, SC, SD, SL, SN, ST, SV, SY, SZ, TD, TG, TJ, TM, TN, TT, TZ, UA, UG, UZ, VC, ZA, ZM, ZW only).
LAFARGE BORAL GYPSUM IN ASIA SDN BHD [MY/MY]; Lot 606, Off Jalan SS 13/1K Subang Jaya Selangor Darul Ehsan 47500 (MY) (CN, ID, IN, JP, KP, KR, LA, LK, MN, MY, PH, SG, TH, VN only).
LAFARGE PLATRES [FR/FR]; 500 rue Marcel Demonque Zone du Pôle Technologique F-84000 Avignon (FR) (AL, AT, BE, BG, BR, CH, CL, CO, CY, CZ, DE, DK, EC, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PE, PL, PT, RO, RS, SE, SI, SK, SM, TR only).
BOISVERT, Jean-Philippe [CA/FR]; (FR) (For US Only).
HOANG, Lê-Chiên [FR/FR]; (FR) (For US Only)
Inventors: BOISVERT, Jean-Philippe; (FR).
HOANG, Lê-Chiên; (FR)
Agent: MERIGEAULT, Shona; LAFARGE Département Propriété Intellectuelle (DPI) 95 rue du Montmurier - BP9 F-38291 Saint Quentin Fallavier Cedex (FR)
Priority Data:
Title (EN) STARCH FOR REINFORCING THE CORE OF PLASTERBOARDS
(FR) AMIDON POUR LE RENFORT DU CŒUR DES PLAQUES DE PLATRE
Abstract: front page image
(EN)The present invention relates to a composition comprising hemihydrate or anhydrous calcium sulphate, water and oxidised starch, said oxidised starch having: a Brookfield viscosity less than or equal to 2 cPs at a temperature less than or equal to 55°C; and a maximum Brookfield viscosity at a temperature between 65°C and 100°C; and a maximum Brookfield viscosity between 100 cPs and 3000 cPs; the Brookfield viscosity being measured for an aqueous solution of oxidized starch at a concentration of 8%, as a percentage by weight.
(FR)La présente invention se rapporte à unecomposition comprenant du sulfate de calcium semihydraté ou anhydre, de l'eau et de l'amidon oxydé, ledit amidon oxydé présentant: une viscosité brookfield inférieure ou égale à 2 cPs à une température inférieure ou égale à 55 °C; et un maximum de viscosité brookfield à une température comprise de 65°C à 100°C; et un maximum de viscosité brookfield compris de 100 cPs à 3000 cPs; la viscosité brookfield étant mesurée pour une solution aqueuse d'amidon oxydé à une concentration de 8%, pourcentage en masse.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, 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, 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, MD, 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: French (FR)
Filing Language: French (FR)