Abstract: The invention relates to a catalytic method for the industrial production of a diol compound, such as 2-methyl-2-4-pentanediol, also called 2,4-hexylene glycol (HGL), from a ?-hydroxy carbonyl compound, Formula (I), in particular diacetone alcohol (DAA).

Abstract: A process for producing diisobutyl ketone (DIBK) which includes bringing together triacetone dialcohol (TDA) and a bifunctional catalyst that can perform a dehydration and hydrogenation reaction is described.

Abstract: A method for preparing di-alpha-methyl benzyl adipate by direct esterification of adipic acid and alpha-methylbenzyl alcohol is described. The reaction can produce a high yield and can be carried out under mild conditions, in the presence of a catalyst selected from among the orthotitanates of tetra-hydrocarbyl.

Abstract: Polymeric compositions containing additives having properties of emission and/or absorption of radiation in the long infrared region, and articles shaped therefrom are produced, including yarns and textile articles such as fabrics or knits; such additives include organic additives or inorganic fillers which have a capacity for absorption/emission of radiation in the infrared region, in a wavelength range of from 2 ?m to 20 ?m, and also a polymeric substrate, with the proviso that the inorganic fillers may be selected from among oxides, sulfates, carbonates, phosphates and silicates, and such inorganic fillers having an average particle size of less than 2 ?m.

Abstract: Production of a ketone or aldehyde prepared by condensation is optimized by dehydration and hydrogenation of a starting acetone/ketone or aldehyde in a reaction zone and wherein water is partially eliminated from such reaction product by at least one membrane pervaporation module, the pervaporation module being fed tangentially and situated laterally to the reaction zone and operating in a loop, and wherein a fraction of reaction product exiting the reaction zone is thus partially dehydrated and recycling such dehydrated concentrate to the reaction zone.

Abstract: Uses of dioxolane derivatives in the finishing of leather are described. Also described, are leather finishing compositions comprising dioxolane derivatives and methods for treating leather.

Abstract: Polymeric compositions containing additives having properties of emission and/or absorption of radiation in the long infrared region, and articles shaped therefrom are produced, including yarns and textile articles such as fabrics or knits; such additives include organic additives or inorganic fillers which have a capacity for absorption/emission of radiation in the infrared region, in a wavelength range of from 2 ?m to 20 ?m, and also a polymeric substrate, with the proviso that the inorganic fillers may be selected from among oxides, sulfates, carbonates, phosphates and silicates, and such inorganic fillers having an average particle size of less than 2 ?m.

Abstract: A catalytic composition with a corrosion-inhibiting effect on metal surfaces is described. Also described, is a corrosion-inhibiting process and use of a corrosion inhibitor. Further, the catalytic composition can have a corrosion-inhibiting effect on metal surfaces in contact with an esterification medium comprising a carboxylic acid and an alcohol, wherein the composition comprises as a catalyst, a strong protonic acid and, as corrosion inhibitor, an iron(III) carboxylate.

Abstract: A method of manufacturing a carboxylic acid ester is described. Also described, is a method for manufacturing a carboxylic acid ester by reacting a carboxylic acid and an alcohol, wherein the reaction is performed in the presence of an excess of carboxylic acid.

Abstract: An aqueous coating formulation including a polymer resin, an inorganic filler and a dioxolane as a coupling agent is described. Aqueous paint formulas including certain dioxolanes as coupling agents are also described.

Abstract: The present invention generally concerns a treatment process for crude alkaline glycerol obtained as a by-product of transesterification reaction of natural oils and fats with lower alcohols. The present invention particularly concerns the treatment of crude alkaline glycerol obtained as a by-product of the biodiesel production from vegetable oils and animal fats using organic alkyl carboxylic acids or their aqueous solution, comprising the steps of: (a) acidification of the crude alkaline glycerol stock to pH in the range of about 4 to about 6, particularly 4 to 5, with organic alkyl carboxylic acids, in the presence of water in the range from about 5% to about 50%, particularly 15 to 30%, in weight with respect to the weight of the crude alkaline glycerol stock; (b) separating the formed free fatty acids, for instance by flotation; (c) removing the alcohol present in the acidified crude glycerol stock, for instance by distillation; (d) separating the acidic glycerol.

Abstract: Processes for the purification of crude glycerol obtained as a by-product of industrial processes, such as saponification, hydrolysis and transesterification with low chain alcohols of natural oils and fats, is described. Purified glycerol can also be obtained from the treatment of crude glycerol obtained as a by-product of biodiesel production from vegetable oils and animal fats.

Abstract: Uses of dioxolane derivatives in the finishing of leather are described. Also described, are leather finishing compositions comprising dioxolane derivatives and methods for treating leather.

Abstract: An process to obtain a mixture of lower carboxylic acid mono, di and triesters, from raw glycerin, a by-product of the process to obtain biodiesel, a transesterification of vegetable raw material with lower alcohols is described. Also described is a process to obtain triacetin or a mixture of mono-, di- and triacetin from that raw glycerin, without prior purification.

Abstract: The invention relates to a catalytic method for the industrial production of a diol compound, such as 2-methyl-2-4-pentanediol, also called 2,4-hexylene glycol (HGL), from a ?-hydroxy carbonyl compound, Formula (I), in particular diacetone alcohol (DAA).

Abstract: Propionic acid is produced via the catalytic dehydration of glycerol in the presence of at least one transition metal catalyst.