Abstract: The use of a surfactant mixture comprising at least one surfactant having a hydrocarbon radical composed of from 12 to 30 carbon atoms and at least one cosurfactant having a branched hydrocarbon radical composed of from 6 to 11 carbon atoms for tertiary mineral oil extraction.

Abstract: Compositions comprising: (A) at least one surfactant of the general formula (I) (R1—[(O—(CH2)2)x1(O—CH(CH3)CH2)x2]O)kP(?O)(OH)3-k??(I) wherein the sequence of the alkyleneoxy units is arbitrary, each R1 independently represents a moiety selected from the group consisting of linear and branched C12-C22-alkyl, C12-C22-alkenyl, C12-C22-alkynyl, (C11-C21-alkyl)carbonyl, (C11-C21-alkenyl)carbonyl and (C11-C21-alkynyl)carbonyl, k represents 1 or 2 and x1 and x2 each independently represent an integer of 0 to 20, the sum of x1 and x2 being a number of 1 to 20; and (B) at least one thickener comprising at least two hydrophobic groups R2 which are linked to one another via a bridging hydrophilic group (?), wherein each R2, independently represents a moiety selected from the group consisting of C8-C32-alkyl, C8-C32-alkenyl, C8-C32-alkynyl, cycloalkyl, aryl, and aryl-C1-C32-alkyl, which in each case may have up to 3 hydroxyl substituents; wherein the composition has a pH which is viscosity-dependent.

Abstract: The present invention relates to certain alcohol alkoxylates of the amphiphilic type, to agrochemical agents comprising them, and to the use of the alcohol alkoxylates as activity-improving adjuvants in the agrochemical field and particularly in the field of plant protection.

Abstract: The invention relates to a composition for producing foams, in particular for mineral oil and natural gas production.

Abstract: Surfactants with polyether sulfonate structure, which have a propanonylsulfonic acid group as a head group, a process for preparing such surfactants and their use for tertiary mineral oil extraction.

Abstract: The present invention relates to certain alcohol alkoxylates of the amphiphilic type, to agrochemical compositions comprising them, and to the use of the alcohol alkoxylates as activity-enhancing adjuvant in the agrochemical sector and in particular in the sector of plant protection. The alcohol alkoxylates are alkoxylated alcohols of the formula (I) R—O—(CmH2mO)q—[(C2H4O)z—(CnH2nO)x—(C2H4O)y]co—Z??(I) in which R represents C1-C7-alkyl; m represents 2 or 3; q represents 0, 1, 2 or 3; n represents an integer from 3 to 16; x is a value of from 1 to 100; y is a value of from 0 to 100; z is a value of from 0 to 100; and x+y+z corresponds to a value of from 2 to 100; Z represents hydrogen or an end group cap, where at least one of y and z is greater than 0.

Abstract: The present invention relates to aqueous active compound concentrates having herbicidal action. The compound contains, in dissolved form: c) at least one 4-benzoyl-substituted pyrazole compound of the formula I in which R1 and R3 independently of one another are hydrogen, halogen, methyl, halomethyl, methoxy, halomethoxy, methylthio, methylsulfinyl or methylsulfonyl; R2 is a 5-membered heterocyclic radical which is unsubstituted or carries 1, 2, 3 or 4 substituents selected from the group consisting of halogen, C1-C6-alkyl, C1-C4-alkoxy, C1-C4-haloalkoxy and C1-C4-alkylthio; R4 is hydrogen, halogen or methyl; R5 is C1-C6-alkyl, C3-C6-cycloalkyl or C3-C6-cycloalkylmethyl; and R6 is hydrogen or C1-C4-alkyl; or one of its agriculturally useful salts; and d) at least one benzoic acid derivative of the formula II in which R7 is hydrogen, halogen, hydroxyl or methoxy and R8 is hydrogen, halogen or amino; or one of its agriculturally useful salts.

Abstract: The present invention relates to a nonionic emulsifier for spontaneous emulsification, containing a chemical compound having the general structure tallow alcohol -n PO-m EO, the average number of hydrocarbon atoms of the tallow alcohol amounting to between 16 and 18, and the iodine count being lower than or equal to 1 g of iodine/100 g of the chemical compound. The average degree of propoxylation is between 1 and 4, and the average degree of ethoxylation is between 2 and 6.

Abstract: Compositions comprising: (A) at least one surfactant of the general formula (I) (R1—[(O—(CH2)2)x1(O—CH(CH3)CH2)x2]O)kP(?O)(OH)3-k??(I) wherein the sequence of the alkyleneoxy units is arbitrary, each R1 independently represents a moiety selected from the group consisting of linear and branched C12-C22-alkyl, C12-C22-alkenyl, C12-C22-alkynyl, (C11-C21-alkyl)carbonyl, (C11-C21-alkenyl)carbonyl and (C11-C21-alkynyl)carbonyl, k represents 1 or 2 and x1 and x2 each independently represent an integer of 0 to 20, the sum of x1 and x2 being a number of 1 to 20; and (B) at least one thickener comprising at least two hydrophobic groups R2 which are linked to one another via a bridging hydrophilic group (?), wherein each R2, independently represents a moiety selected from the group consisting of C8-C32-alkyl, C8-C32-alkenyl, C8-C32-alkynyl, cycloalkyl, aryl, and aryl-C1-C32-alkyl, which in each case may have up to 3 hydroxyl substituents; wherein the composition has a pH which is viscosity-dependent.

Abstract: Thickener systems which are suitable for preparing thickener compositions, and which systems consists of (A) at least one anionic surfactant A and (B) at least one polymer B comprising at least one hydrophobic group and preferably at least one hydrophilic group, wherein the concentration of the polymer B in a thickener composition is below the overlap concentration c* of the polymer, along with processes for preparing such compositions and uses thereof.

Abstract: In a process for the preparation of alkylaromatic compounds by reacting C3-30-olefins, or alcohols from which C3-30-olefins are formed under the reaction conditions, with an aromatic hydrocarbon in the presence of an alkylation catalyst, the reaction is carried out in a reactor cascade of at least two reactors, where each of the reactors comprises the alkylation catalyst, at least 80% of the aromatic hydrocarbon are fed into the first reactor of the reactor cascade, and at least 40% of the olefins are intermediately fed in after the first reactor.

Abstract: The present invention relates to a formulation comprising (a) at least one pesticide; and (b) at least one non-ionic surfactant of formula (I): R1—O-(AO)x—(H); wherein R1 represents straight-chain or branched alkyl having 4 to 20 carbon atoms; AO is ethyleneoxy, propyleneoxy or a mixture of ethyleneoxy and propyleneoxy; and x correspond to values from 2 to 30; and (c) at least one ionic tristyrylphenyl alkoylate; and (d) at least one oil; and (e) water, wherein the pesticide is present in the aqueous phase in form of a suspension and the oil is essentially free of pesticide.

Abstract: The invention relates to a composition for producing foams, in particular for mineral oil and natural gas production.

Abstract: The use of a surfactant mixture comprising at least one surfactant having a hydrocarbon radical composed of from 12 to 30 carbon atoms and at least one cosurfactant having a branched hydrocarbon radical composed of from 6 to 11 carbon atoms for tertiary mineral oil extraction.

Abstract: Surfactants of the general formula R1-X where R1 is an aliphatic C17H35-alkyl radical and X is a hydrophilic group, and the mean degree of branching of the R1 radical is from 2.8 to 3.7. Mixtures which comprise such surfactants and the use of such surfactants and of mixtures thereof for tertiary mineral oil extraction.

Abstract: In a process for preparing alkylaryl compounds by reacting a C10-14-monoolefin mixture with an aromatic hydrocarbon in the presence of an alkylation catalyst to form alkyl aromatic compounds and if appropriate subsequently sulfonating and neutralizing the resulting alkylaryl compounds, in the C10-14-monoolefins, on average, more than 0% and up to 100% of methyl branches are present in the longest carbon chain and fewer than 50% of the methyl branches are in the 2-, 3- and 4-position, calculated starting from the chain ends of the longest carbon chain.

Abstract: The preparation of alkylaryl compounds takes place, inter alia, by a1) preparation of a C4 -olefin mixture from LPG, LNG or MTO streams, b 1) reaction of the C4-olefin mixture obtained in this way over a metathesis catalyst for the preparation of an olefin mixture comprising 2-pentene and/or 3-hexene, and optional removal of 2-pentene and/or 3-hexene, c1) dimerization of the 2-pentane and/or 3-hexene obtained in stage b1) over a dimerization catalyst to give a mixture comprising C10-12-olefins, and optional removal of the C10-12- olefins, d1) reaction of the C10-12-olefin mixtures obtained in stage a1) with an aromatic hydrocarbon in the presence of an alkylation catalyst to form alkylaromatic compounds, it being possible to add additional linear olefins prior to the reaction.

Abstract: The present invention relates to the use of surfactants of the general formula (I) R—O-(A)n-(B)m-H??(I) where R is a C8-alkyl radical, A is propylenoxy, B is ethylenoxy, n is an average value of from 0.8 to 2.0 and m is an average value of from 2.0 to 5.0 as a wetting agent for hydrophobic polymer surfaces, and to a wetting agent comprising a) from 0.5 to 50% by weight of at least one surfactant of the general formula (I) according to claim 1, b) from 1.0 to 10% by weight of a C8-alcohol and c) from 0.5 to 30% by weight of a compound of the general formula (IV) R—O-(A)n-H??(IV) ?where R is a C8-alkyl radical, A is propylenoxy and n is an average value of from 0.8 to 2.0.

Abstract: A surfactant composition includes a first surfactant, a second surfactant, and a polyalkylene glycol. The first surfactant is of the general formula R1—O—(A)mH, wherein R1 is an aliphatic hydrocarbon having 10 carbon atoms, A is an alkyleneoxy group having from 2 to 5 carbon atoms, and m is a positive number. The second surfactant is of the general formula R2—O—(B)nH, wherein R2 is an aliphatic hydrocarbon having from 12 to 14 carbon atoms, B is an alkyleneoxy group having from 2 to 5 carbon atoms, and n is a positive number. The polyalkylene glycol is present in the surfactant composition in an amount of from 3 to 20 parts by weight per 100 parts by weight of the surfactant composition.

Abstract: The present invention relates to a surfactant mixture comprising (A) a short-chain component comprising the alkoxylation product of alkanols, where the alkanols have 8 to 12 carbon atoms and the average number of alkoxy groups per alkanol group in the alkoxylation product assumes a value from 3 to 30 and the alkoxy groups are chosen from the group consisting of ethoxy, propoxy, butoxy and pentoxy groups and the alkanols have an average degree of branching of at least 1; and (B) a long-chain component comprising the alkoxylation product of alkanols where the alkanols have 13 to 20 carbon atoms and the average number of alkoxy groups per alkanol group in the alkoxylation product assumes a value from 3 to 30 and the alkoxy groups are chosen from the group consisting of ethoxy, propoxy, butoxy and pentoxy groups and the alkanols have an average degree of branching of from 0.0 to 0.3; and phosphate esters, sulfate esters and ether carboxylates thereof.