B - Operations – Transporting – 01 – F
Patent
B - Operations, Transporting
01
F
B01F 17/00 (2006.01) A01N 25/04 (2006.01) A01N 25/08 (2006.01) A61K 8/06 (2006.01) A61K 8/85 (2006.01) A61K 8/88 (2006.01) A61K 47/34 (2006.01) A61Q 1/02 (2006.01) A61Q 17/04 (2006.01) C11D 1/04 (2006.01) C11D 1/52 (2006.01) C11D 1/74 (2006.01) C11D 3/00 (2006.01)
Patent
CA 2488503
Polyethylene glycol esters and amides of polymerised fatty acids are useful dispersing agents for solids, particularly particulate solids e.g. agrochemicals, oil drilling mud components, pigments, personal care formulants, ceramics, magnetic materials, extenders, fillers, optical brighteners, textile auxiliaries, or soil removed from clothes during cleaning, in aqueous media. Particular such agents are of the formula (I): [Pol]-(COX)m (I), where: Pol is the core residue of a polymerised fatty acid; m is 2 or 3; and each X is: OM; where M is H, a cationic salt forming species or a group -(AO)nR7; or a group -NR8-(AO)nR9; where AO is an alkylene oxide residue; n is from 1 to 100; and R7, R8 and R9 are as defined, from H, an anionic group, alkyl or alkenyl; provided that at least one X is a group of the formula -(AO)nR7 or -NR8-(AO)nR9.
L'invention concerne des esters de polyéthylèneglycol et des amides d'acides gras polymérisés utiles en tant qu'agents de dispersion de solides, en particulier de solides particulaires de type produits agrochimiques, composants de boue de forage pétrolier, pigments, produits d'hygiène personnelle, céramiques, matériaux magnétiques, liants, produits de remplissage, azurants optiques, auxiliaires textiles, ou salissures enlevées des vêtements lors d'un nettoyage, dans un milieu aqueux. Lesdits agents présentent la formule générale (I), dans laquelle Pol représente le résidu central d'un acide gras polymérisé; et m vaut 2 ou 3.
Croda International Plc
Gowan Intellectual Property
Imperial Chemical Industries Plc
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