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1. (WO2006013190) FAST DISSOLVING HYDROXYALKYL GUAR DERIVATIVES
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2006/013190    International Application No.:    PCT/EP2005/053714
Publication Date: 09.02.2006 International Filing Date: 29.07.2005
Chapter 2 Demand Filed:    20.02.2006    
IPC:
C08B 37/00 (2006.01)
Applicants: LAMBERTI SPA [IT/IT]; Via Piave 18, I-21041 Albizzate (VA) (IT) (For All Designated States Except US).
PFEIFFER, Ugo [CH/IT]; (IT) (For US Only).
GATTO, Moreno [IT/IT]; (IT) (For US Only).
TENCONI, Mauro [IT/IT]; (IT) (For US Only).
VIGANO', Laura [IT/IT]; (IT) (For US Only).
BALESTRINI, Andrea [IT/IT]; (IT) (For US Only).
LI BASSI, Giuseppe [IT/IT]; (IT) (For US Only)
Inventors: PFEIFFER, Ugo; (IT).
GATTO, Moreno; (IT).
TENCONI, Mauro; (IT).
VIGANO', Laura; (IT).
BALESTRINI, Andrea; (IT).
LI BASSI, Giuseppe; (IT)
Priority Data:
VA 2004 A 000031 05.08.2004 IT
Title (EN) FAST DISSOLVING HYDROXYALKYL GUAR DERIVATIVES
(FR) DERIVES D'HYDROXYALKYLGUAR A DISSOLUTION RAPIDE
Abstract: front page image
(EN)The present invention relates to hydrophobically modified hydroxyalkyl guar derivatives which dissolve rapidly in water, having a hydroxyalkyl molar substitution between 0.2 and 2.5 and containing hydrophobic groups comprising C10-C32 alkyl chains, to the procedure for their preparation and to their use in the formulation of well fluids.
(FR)L'invention concerne des dérivés d'hydroxyalkylguar modifiés hydrophobiquement qui se dissolvent rapidement dans l'eau, présentant un taux de substitution molaire hydroxyalkyle compris entre 0,2 et 2,5 et contenant des groupes hydrophobes qui comprennent des chaînes alkyle C10-C32. L'invention concerne également un procédé pour la préparation de ces dérivés ainsi que l'utilisation de ces derniers pour la formulation de fluides de puits.
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, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, 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 (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)