Abstract: A process is described for preparing acylglycinate salts of the formula (II) in which R1 is a saturated linear or branched alkyl radical having from 1 to 21 carbon atoms or a mono- or polyunsaturated linear or branched alkenyl radical having from 2 to 21 carbon atoms, and B is a cation derived from a base, and/or the corresponding protonated acylglycines, characterized in that one or more fatty acid monoethanolamides of the formula (I) in which R1 is as defined above is oxidized with oxygen in the presence of a transition group metal catalyst in an alkaline medium to give one or more acylglycinate salts of the formula (II), and, in the case of preparation of the protonated acylglycines, the acylglycinate salt(s) of the formula (II) is additionally reacted with an acid.

Abstract: The invention provides a process for preparing polyetheramines of the formula (1), R2 (NR1R3)n, in which n is a number from 1 to 20, R2 represents an organic radical that contains between 2 and 600 oxalkylene groups, and R1 and R3 are alike or different and represent hydrogen or an organic radical having 1 to 400 carbon atoms, by combining a compound of the formula (2), H(NR1R3), with a compound of the formula (3), R2 (OH)n, in the presence of hydrogen with a metal-containing catalyst whose metal content, based on the dry, reduced catalyst excluding any support material that may be present, is composed either of at least 80% by mass of cobalt or, in the case of Raney catalysts, of at least 80% by mass of metals from the group consisting of cobalt and aluminium, the catalyst containing less than 5% by mass of copper.

Abstract: The invention provides compounds of the formula 1 in which A is a C2- to C4-alkylene group x is from 1 to 100 R1 is C1-C30-alkyl, C2-C30-alkenyl, C7-C30-alkylaryl R2 is an aliphatic, cycloaliphatic or aromatic radical which contains at least one structural unit of the formula 2 ?and y is from 0 to 100, with the proviso that y is from 1 to 100 when R2 is of the formula 2, and their use in amounts of from 0.01 to 2% by weight for preventing the formation of gas hydrates in aqueous phases which are in contact with a gaseous, liquid or solid organic phase.

Abstract: The invention relates to a method for producing tertiary amides of alkylphenyl carboxylic acids by reacting at least one secondary amine with at least one alkylphenyl carboxylic acid to form an ammonium salt, said ammonium salt being subsequently converted into the tertiary amide by means of microwave radiation.

Abstract: The invention relates to a method for producing bisbenzoxazoles that are interconnected by means of a system of conjugated double bonds, according to which o-aminophenols are reacted with dicarboxylic acids, the carboxyl groups of which are interconnected via a double bond or a system of conjugated double bonds, to form an ammonium salt, said ammonium salt being converted in the presence of dehydrogenating catalysts and solvents with a low dielectric loss into benzoxazol by means of microwave radiation.

Abstract: The invention provides surfactant-free cosmetic, pharmaceutical, and dermatological compositions comprising at least one copolymer obtainable by free-radical copolymerization of A) acryloyldimethyltaurine and/or acryloyldimethyltaurates, B) if desired, one or more further olefinically unsaturated, noncationic comonomers, C) if desired, one or more olefinically unsaturated, cationic comonomers, D) if desired, one or more silicon-containing components, E) if desired, one or more fluorine-containing components, F) if desired, one or more macromonomers, G) the copolymerization taking place if desired in the presence of at least one polymeric additive, H) with the proviso that component A) is copolymerized with at least one component selected from one of the groups.

Abstract: The present invention relates to an additive, and its use for inhibiting nucleation, growth and agglomeration of gas hydrates by adding an effective amount of an inhibitor to a multiphasic mixture which tends to hydrate formation and consists of water, gas and optionally condensate, or to a drilling fluid which tends to form gas hydrates. Said inhibitor comprising dialkoxylated quaternary ammonium compounds of the formula 1 where R1, R2 are each independently radicals of the formulae -(A-O)n—(C)—CO—O—R5, R3 is C1- to C30-alkyl or C2- to C30-alkenyl, R4 is an organic radical which optionally contains heteroatoms and has from 1 to 100 carbon atoms, R5 is an alkyl or an alkenyl, n is a number from 1 to 20, A is an alkylene group, B is an alkylene group, C is a C1- to C6-alkylene group and X is an anion, are used as gas hydrate inhibitors.

Abstract: The invention relates to a method for producing the compositions cited in the title. According to this method: dipyridyl ketone is reacted with hydroxylamine; the oxime obtained thereby is reduced without intermediate isolation to form 1,1-di-(2-pyridyl)-methylamine, and; this amine is firstly reacted with 1 to 1.5 molar equivalent of picolyl chloride and then with another 1 to 1.5 molar equivalent of picolyl chloride to form the amine of formula (1). This amine is purified via the tetrafluoroborate salt and subsequently alkylated with an alkyl iodide. This method represents an improvement with regard to prior art methods for producing these compounds.

Abstract: The invention provides cosmetic, pharmaceutical and dermatological compositions comprising at least one copolymer obtainable by free-radical copolymerization of A) acryloyldimethyltaurine and/or acryloyldimethyltaurates, B) optionally, one or more further olefinically unsaturated, noncationic comonomers, C) optionally, one or more olefinically unsaturated, cationic comonomers, D) optionally, one or more silicon-containing components, E) optionally, one or more fluorine-containing components, F) optionally, one or more macromonomers, G) the copolymerization taking place if desired in the presence of at least one polymeric additive.

Abstract: A method for reducing the adhesion forces between hard surfaces and subsequently occurring soil is described. The method comprises the step of treating the hard surfaces with a liquid composition comprising special copolymers A. These copolymers A comprise structural units originating from a1) one or more special monomers comprising a cyclic amide structure or a2) one or more special alkoxylated monomers and b) one or more special monomers comprising an amido group and a sulfonic acid group in protonated or in salt form and may be crosslinked or non-crosslinked.

Abstract: The invention relates to polymers with a mean molecular weight of between 500 and 500,000 g/mol that can be produced as follows: A) reaction of a compound of formula 1, in which n stands for 0, 1 or 2 and A for an arbitrarily substituted C1-C40 group with a compound of the formula 2 B(OH)m in which m is from 2 to 10 and B is a represents an arbitrarily substituted C2-C40 group, B) subsequently reaction of the product thus obtained with a nitrogen-containing carboxylic acid which comprises from 1 to 20 carbon atoms, where the molar ratio between the number of free OH groups of the polyester obtained in step A and the nitrogen-containing carboxylic acid is between 1:0.1 and 1:1. The polymers are used to inhibit gas hydrate formation.

Abstract: The present invention provides a continuous process for preparing additive mixtures for mineral oils and mineral oil distillates, comprising A) a cold flow improver for middle distillates, and at least one further component selected from B) and C): B) a further cold flow improver, C) an organic solvent, which comprises mixing cold flow improver and optionally solvent by means of a static mixer, the temperature of the additive mixture at the outlet of the static mixer being from 0° C. to 100° C.

Abstract: The invention relates to a method for preparing 1,2-propanediol by reacting glycerol, which has a purity of at least 95 wt %, with hydrogen at a hydrogen pressure from 20 to 100 bar and a temperature from 180 to 240° C. in the presence of a catalyst, which comprises 20 to 60 wt % of copper oxide, 30 to 70 wt % of zinc oxide and 1 to 10 wt % manganese oxide in an autoclave.

Abstract: The present invention provides an additive for improving the lubricity of fuel oils having a maximum sulfur content of 0.035% by weight. The additive comprises A) at least one partial ester composed of a di- or polyhydric alcohol and unsaturated and optionally also saturated fatty acids whose carbon chain lengths are between 8 and 30 carbon atoms, at least 60% of the fatty acid radicals containing at least one double bond, and B) at least one alkylphenol-aldehyde resin, obtainable by the condensation of (i) at least one alkylphenol having at least one C6-C24-alkyl or C6-C24-alkenyl radical and (ii) at least one aldehyde or ketone, to a degree of condensation of between 2 and 50 alkylphenol units.

Abstract: The invention provides a fuel oil composition comprising a fuel oil of mineral origin and a fuel oil of vegetable and/or animal origin and as a cold additive, the constituents, at least one copolymer composed of ethylene and 8-21 mol % of at least one acrylic and vinyl ester having a C1-C18 alkyl radical and at least one comb polymer containing structural units composed of at least one olefin as monomer 1 which bears at least one C8-C18 alkyl radical on the olefinic double bond, and at least one ethylenically unsaturated dicarboxylic acid as monomer 2 which bears at least one C8-C16 alkyl radical bonded via an amide and/or imide moiety.

Abstract: The invention provides fuel oils comprising a major proportion of a mixture of A) a middle distillate fuel oil and B) a biofuel oil, and also a minor proportion C) of an oil-soluble, crosslinked block copolymer composed of C2- to C4-alkylene oxides.

Abstract: The invention provides a process for preparing 1,2-propanediol, by reacting glycerol which has a purity of at least 95% by weight with hydrogen at a hydrogen pressure of from 20 to 100 bar and a temperature of from 180 to 240 DEG C. in the presence of a catalyst which comprises from 10 to 50% by weight of copper oxide and from 50 to 90% by weight of zinc oxide in an autoclave.

Abstract: Disclosed is a process for preparing copolymer dispersions made of alkylene oxides and glycidyl ethers according to formula (I) in which R1 is hydrogen or a C1-C4-alkyl radical, R2 and R4 are an alkyl or aryl radical having 1 to 30 carbon atoms, and R3 is an alkyl or aryl radical having 1 to 50 carbon atoms, which may also contain heteroatoms. A is an alkylene unit having 2 to 6 carbon atoms. In formula (1), x is a number from 0 to 10, y is a number from 0 to 10, n is a number from 0 to 100, k is a number from 1 to 100, R5 is an acid group or hydrogen, and m is a number from 1 to 500, with the proviso that (y+n) must be at least 1.

Abstract: Disclosed are highly concentrated aqueous soil release polyester formulations containing 50 to 90 percent by weight of soil release polyester and 0.1 to 40 percent by weight of a polycarboxylic acid or a polycarboxylate. Adding these highly concentrated polycarboxylic acids or polycarboxylates makes it possible to produce highly concentrated soil release polyester formulations which are stable while being provided with low viscosity.

Abstract: The invention provides compositions comprising at least one alkylphenol-aldehyde resin (constituent I) and, based on the alkylphenol resin, from 0.005 to 10% by weight of at least one oil-soluble organic ammonium sulfonate (constituent II).