Abstract: Disclosed is a surfactant mixture including: (i) 50%-99% of C1 which includes, per 100% of its weight: (a) 65%-90% of alkyl glutamate with C7-C17, and (b) 10%-35% of formula R1-C(?O)—OH; and (ii) 1%-50% of C2 which includes, per 100% of its weight: (c) 14-80% of C3, represented by R3-O-(G3)p-H where R3 represents C12-C16, G3 represents the residue of a reducing sugar, and 1.05?p?5, (d) 0%-3% of an alcohol R3-OH, (e) 20%-80% of C4, which is represented by R4-O-(G4)q-H where R4 represents C4-C7, G4 represents the residue of a reducing sugar and 1.05?q?5, and (f) 0%-3% of an alcohol R4-OH. Also disclosed are a fire-fighting foam liquid and a method for extinguishing a fire.

Abstract: Disclosed is a method for improving the foaming properties of a cleansing formulation for topical use including glutamate-based surfactants, including a step of incorporating into the formulation an effective amount of at least one alkyl polyglycoside composition; aqueous formulation including same in combination with anionic or amphoteric surfactants; and a method for use thereof in cleansing the human or animal body.

Abstract: A method for drilling cavities in underground formations in which drill cuttings are removed by injecting an aqueous composition (C) into the drill hole. Composition (C) includes between 1 and 65 wt. % salt(s), between 0.05 and 2 wt. % anti-foaming agent(s), between 13 and 97.95 wt. % water, and between 1 and 20 wt. % composition (C2). Composition (C2) includes, optionally, between 0.1 and 30 wt. % auxiliary agent(s), between 0 and 100 wt. % of a surfactant system of one or more compositions (C1) according to R1—O-(G1)p-H, R1 being an aliphatic radical including between 4 and 16 carbon atoms, G1 being a reducing sugar residue and 1.05?p?5, and between 0 and 50 wt. % alcohol(s) according to R1—OH, R1 being an aliphatic radical including between 4 and 16 carbon atoms. Also, compositions (C2) and their use as a lubricant for producing an aqueous drilling mud.

Abstract: A compound having Formula (I), nC7—H15—O-(G)p-H, where G is a reducing sugar residue, and p is a decimal number ?1.05 and ?5. The method for preparing the compound and its use as a hydrotropic surfactant by making soluble, in an aqueous alkaline composition, at least one non-ionic surfactant having Formula (II), R—(O—CH(R?)—CH2)n-(0-CH2-CH2)m-0-H, where R is a straight, branched, saturated or unsaturated aliphatic hydrocarbon radical including 8-14 carbon atoms, R? is a methyl or ethyl radical, n and m are whole numbers ?0 and ?15, assuming that n+m?0. Cleaning compositions containing 0.5% to 20% of compounds of Formula (I), 0.5% to 80% of compounds of Formula (II), 10-50 wt % of at least one alkaline agent, 15-89 wt % of water, and optionally, 10-50 wt % of at least one anti-limescale agent are useful for cleaning hard surfaces.

Abstract: A process for drilling cavities in subterranean formations includes a step of removal of the drill cuttings using an aqueous fluid in the form of a foam, obtained by mixing: an aqueous composition (Ci) including, per 100% by weight: from 0.5% by weight to 25% by weight of a compound of formula (I): R1—C(O)—NH—CH(COOM)-(CH2)n—COOM? (I) in which n represents an integer equal to 1 or 2, R1 represents a linear or branched, saturated or unsaturated aliphatic hydrocarbon-based radical including from eight to eighteen carbon atoms, M represents a monovalent cation and M?, which is identical to or different from M, represents a hydrogen atom or a monovalent cation; or of a mixture of compounds of formula (I), and from 75% to 99.5% by weight of water, with a gas or a mixture of gases, chosen from air, nitrogen or carbon dioxide.

Abstract: A method for drilling cavities in underground formations in which drill cuttings are removed by injecting an aqueous composition (C) into the drill hole. Composition (C) includes between 1 and 65 wt. % salt(s), between 0.05 and 2 wt. % anti-foaming agent(s), between 13 and 97.95 wt. % water, and between 1 and 20 wt. % composition (C2). Composition (C2) includes, optionally, between 0.1 and 30 wt. % auxiliary agent(s), between 0 and 100 wt. % of a surfactant system of one or more compositions (C1) according to R1—O-(G1)p-H, R1 being an aliphatic radical including between 4 and 16 carbon atoms, G1 being a reducing sugar residue and 1.05?p?5, and between 0 and 50 wt. % alcohol(s) according to R1—OH, R1 being an aliphatic radical including between 4 and 16 carbon atoms. Also, compositions (C2) and their use as a lubricant for producing an aqueous drilling mud.

Abstract: A composition (C) of formula (I): R1—O-(G)p-H (I). G is a reducing sugar, R1 is a heptyl radical, p is a decimal number, and 1<p?5. Composition (C) is a mixture of compounds of five formulae: R1—O-(G)1-H (I1), R1—O-(G)2-H (I2), R1—O-(G)3-H (I3), R1—O-(G)4-H (I4), and R1—O-(G)5-H (I5). The sum of their molar proportions a1, a2, a3, a4 and a5 equals 1, and p=a1+2a2+3a3+4a4+5a5. Composition (C) is a solubilising agent in an acidic aqueous composition for non-ionic surfactant(s) according to: R—(O—CH(R?)—CH2)n—(O—CH2—CH2)m—O—H (II). R is a C8-C14 aliphatic radical, R? is CH3 or CH2CH3, 0?n?15, 0?m?15, and (n+m)>0. Also, compositions (C1) having 0.2-40% mass of composition(s) (C) and 0.2-80% mass non-ionic surfactant(s) of formula (II), which may be used to clean hard surfaces.

Abstract: A composition (C) of formula (I): R1—O-(G)p-H (I). G is a reducing sugar, R1 is a heptyl radical, p is a decimal number, and 1<p?5. Composition (C) is a mixture of compounds of five formulae: R1—O-(G)1-H (I1), R1—O-(G)2-H (I2), R1—O-(G)3-H (I3), R1—O-(G)4-H (I4), and R1—O-(G)5-H (I5). The sum of their molar proportions a1, a2, a3, a4 and a5 equals 1, and p=a1+2a2+3a3+4a4+5a5. Composition (C) is a solubilising agent in an acidic aqueous composition for non-ionic surfactant(s) according to: R—(O—CH(R?)—CH2)n—(O—CH2—CH2)m—O—H (II). R is a C8-C14 aliphatic radical, R? is CH3 or CH2CH3, 0?n?15, 0?m?15, and (n+m)>0. Also, compositions (C1) having 0.2-40% mass of composition(s) (C) and 0.2-80% mass non-ionic surfactant(s) of formula (II), which may be used to clean hard surfaces.

Abstract: A compound having Formula (I), nC7—H15—O-(G)p-H, where G is a reducing sugar residue, and p is a decimal number?1.05 and ?5. The method for preparing the compound and its use as a hydrotropic surfactant by making soluble, in an aqueous alkaline composition, at least one non-ionic surfactant having Formula (II), R—(O—CH(R?)—CH2)n—(0-CH2-CH2)m-0-H, where R is a straight, branched, saturated or unsaturated aliphatic hydrocarbon radical including 8-14 carbon atoms, R? is a methyl or ethyl radical, n and m are whole numbers?0 and ?15, assuming that n+m?0. Cleaning compositions containing 0.5% to 20% of compounds of Formula (I), 0.5% to 80% of compounds of Formula (II), 10-50 wt % of at least one alkaline agent, 15-89 wt % of water, and optionally, 10-50 wt % of at least one anti-limescale agent are useful for cleaning hard surfaces.

Abstract: A process for drilling cavities in subterranean formations includes a step of removal of the drill cuttings using an aqueous fluid in the form of a foam, obtained by mixing: an aqueous composition (Ci) including, per 100% by weight: from 0.5% by weight to 25% by weight of a compound of formula (I): R1—C(O)—NH—CH(COOM)-(CH2)n—COOM? (I) in which n represents an integer equal to 1 or 2, R1 represents a linear or branched, saturated or unsaturated aliphatic hydrocarbon-based radical including from eight to eighteen carbon atoms, M represents a monovalent cation and M?, which is identical to or different from M, represents a hydrogen atom or a monovalent cation; or of a mixture of compounds of formula (I), and from 75% to 99.5% by weight of water, with a gas or a mixture of gases, chosen from air, nitrogen or carbon dioxide.