Patent ID: 6710022
Filing Date: 2004-03-23
Classification: A61K,A61Q,B01F,C01G,C09C,C11D

Abstract:
A surfactant composition comprising(A) 1 to 70 wt %, referring to components (A) and (B), of one or more gemini surfactant(s) having the general formula (A.I.): â€ƒwherein the substituents have the following meanings: R1 and R3 are selected from the group consisting of C5 to C25-alkyl group that can be branched, unbranched, saturated, or unsaturated as far as not adjacently diunsaturated; R2 is selected from the group consisting of C1 to C12-alkylene; X and Y are (C2H4Oâ€”)x(C3H6Oâ€”)y-FR; x+y&gE;1, x is from 0 to 15, y is from 0 to 10; and FR is selected from the group consisting of â€”SO3M, â€”CH2â€”CO2M, â€”P(O)(OM)2, H, â€”C3H6SO3M, â€”CH2(CHOH)4CH2OH, insofar as x+y=0, wherein M=alkali, (alkyl)ammonium, alkanol ammonium, H or Â½ alkaline earth; and, (B) referring to the remainder, based on the total of components (A) and (B), one or more co-amphiphile(s) having an HLB value of less than or equal to 6, and being selected from the group consisting of a C8- to C40-alcohol, a methylglucoside(C6- to C22-)ester, a sugar(C6- to C22-)ester, a lactic acid- or citric acid-esterified derivative of the mono- and diglycerides of a C6- to C22-carboxylic acid, a polyglycerol(C6- to C22-)ester, a propyleneglycol(C6- to C22-)ester, salicylic acid, benzoic acid, and mixtures thereof.