Abstract: The invention relates to emulsifier systems containing ester-modified, polyether-free organopolysiloxanes, to their use, in particular the production of cosmetic, dermatological or pharmaceutical formulations and also of care and cleaning compositions, and also the products themselves produced with the help of the emulsifier systems.

Abstract: The invention relates to novel polyester-polysiloxane block copolymers, to a process for their preparation and to the use of these polymers as a base oil or as an additive in lubricants, especially silicone oils.

Abstract: Cosmetic and/or dermatological preparations prepared using polyether alcohols, characterized in that, for the preparation of the polyether alcohol, a) a DMC catalyst is used and b) the polyether alcohols obtained in this way are not further treated.

Abstract: Enzyme preparations obtainable by providing an enzyme immobilizate with a silicone coating, the coating being obtained by hydrosilylating a self-crosslinking polysiloxane, a process for production thereof and the use thereof are provided.

Abstract: The invention provides linear polydimethylsiloxane-polyoxyalkylene block copolymers containing Si—C groups and carboxylic ester groups and having repeating (A1BA2B) units where A1 and A2 are two different polydimethylsiloxane units of the general formula (I) with a number of Si atoms N=(n+2) of 15?N?30 and NA1?NA2 and B is a unit of the formula (II) —CH2—CH2—(CH2)a—CO[O—CH2—CH(R)]c—O-[D-O]e—[—CH2—CH(R)—O]d—OC—(CH2)b—CH2—CH2— (II) where R independently at each occurrence is H, —CH3 or —C2H5, a and b independently of one another are 0 to 20, c and d independently of one another are values?1, e is 0 or 1 and D is a hydrocarbon radical having 2 to 10 C atoms, the overall molar weight of the unit of the formula II being from 600 to 10 000 g/mol, with the proviso that the average mixed molar weight of the polydimethylsiloxane units (A1+A2) is from >1665 to <1998 g/mol and the fraction of [O—CH2—CH(R)] with R?H is >0% to ?50% by weight, based on the overall weight of [O—CH2—CH(R)] in B, a process for p

Abstract: Process for heterogeneously catalysed preparation of carboxylic acid derivatives using a reactor system comprising at least one reservoir vessel V, feed lines, at least one pump and a reaction vessel R, characterized in that a permanent gas flow through the reaction vessel R is applied through a gas feed line, and in which a reaction chamber in which the heterogeneous catalyst is not introduced in tightly packed form is delimited by at least two filters such that both the mass flow and the gas flow are passed through the reaction chamber.

Abstract: The invention provides a process for preparing siloxanes modified with organic esters, by hydrosilylating siloxanes with terminally unsaturated esters, which comprises preparing the terminally unsaturated esters used using at least one enzyme as catalyst.

Abstract: The invention is directed to enzyme preparations which are obtainable by providing enzyme immobilizates which comprise enzymes or microorganisms comprising enzymes immobilized on an inert support with a polyethersilicone coating obtained by hydrosilylation, to a process for preparing such enzyme preparations and to the use of enzyme preparations as an industrial biocatalyst.

Abstract: The invention provides a process for preparing siloxanes modified with organic esters, by hydrosilylating siloxanes with terminally unsaturated esters, which comprises preparing the terminally unsaturated esters used using at least one enzyme as catalyst.

Abstract: Process for enzymatically synthesizing carboxylic esters, characterized in that mixing and discharge of the water of reaction are effected by introducing a gas while achieving low effectiveness ratios EV.

Abstract: A method for the preparation of a formulation including adding at least one substance of the general formula (I) wherein R1 is an unbranched or branched C9-alkyl radical to at least one component selected from the group of an emollient, emulsifier, surfactant, thickener, viscosity regulator, stabilizer, UV light protection filter, antioxidant, hydrotropic agent, filler, film-forming agent, pearlescent additive, deodorant active compound, antiperspirant active compound, insect repellent, self-tanning agent, preservative, conditioning agent, perfume, dyestuff, biogenic active compound, care additive, super-oiling agent, and solvent.

Abstract: The invention relates to novel polyester-polysiloxane block copolymers, to a process for their preparation and to the use of these polymers as a base oil or as an additive in lubricants, especially silicone oils.

Abstract: The invention relates to emulsifier systems containing ester-modified, polyether-free organopolysiloxanes, to their use, in particular the production of cosmetic, dermatological or pharmaceutical formulations and also of care and cleaning compositions, and also the products themselves produced with the help of the emulsifier systems.

Abstract: The invention provides linear polydimethylsiloxane-polyoxyalkylene block copolymers containing Si—C groups and carboxylic ester groups and having repeating (A1BA2B) units where A1 and A2 are two different polydimethylsiloxane units of the general formula (I) with a number of Si atoms N=(n+2) of 15?N?30 and NA1?NA2 and B is a unit of the formula (II) —CH2—CH2—(CH2)a—CO[O—CH2—CH(R)]c—O-[D-O]e—[—CH2—CH(R)—O]d—OC—(CH2)b—CH2—CH2— (II) where R independently at each occurrence is H, —CH3 or —C2H5, a and b independently of one another are 0 to 20, c and d independently of one another are values ?1, e is 0 or 1 and D is a hydrocarbon radical having 2 to 10 C atoms, the overall molar weight of the unit of the formula II being from 600 to 10000 g/mol, with the proviso that the average mixed molar weight of the polydimethylsiloxane units (A1+A2) is from >1665 to <1998 g/mol and the fraction of [O—CH2—CH(R)] with R?H is >0% to ?50% by weight, based on the overall weight of [O—CH2—CH(R)] in B, a process fo

Abstract: The invention is directed to enzyme preparations which are obtainable by enzyme immobilizates which comprise enzymes or microorganisms containing enzymes immobilized on an inert carrier being provided with a silicone coating obtained by hydrosilylation, to a process for producing such enzyme preparations and to the use of enzyme preparations as an industrial biocatalyst.

Abstract: The invention provides a process for preparing siloxanes modified with organic esters, by hydrosilylating siloxanes with terminally unsaturated esters, which comprises preparing the terminally unsaturated esters used using at least one enzyme as catalyst.

Abstract: An enzymatic process for preparing ethers is disclosed which includes reacting one or more alcohols with an ether in the presence of at least one enzyme.

Abstract: A process for the preparation of compounds according to the general formula (I), in which R is a hydrocarbon radical of an alcohol, wherein one or more alcohols of the general formula (II) R—OH??(II) in which R is as defined above, are esterified and/or transesterified without using significant amounts of solvents, preferably without solvents, preferably under reduced pressure at temperatures below 100° C. in the presence of enzymes from the class of hydrolases with a compound according to the general formula (III), in which R1 is either hydrogen or a linear or branched alkyl or alkenyl group having 1 to 3 carbon atoms is provided.