Abstract: The invention relates to a method of producing cyanuric chloride by trimerizing chlorocyan at a temperature of at least 250° C. on washed activated carbon as the catalyst. The service life of the catalyst can be improved by using an activated coal with an effective pore volume V eff of equal or greater 0.17 ml/g, with V eff being the result of pores with a pore diameter ranging from 0.5 to 7 nm.

Abstract: A continuous process for the epoxidation of olefins with hydrogen peroxide in the presence of a heterogeneous catalyst promoting the epoxidation reaction, whereby the aqueous reaction mixture contains i) an olefin; ii) hydrogen peroxide; iii) less than 100 wppm of alkali metals, earth alkali metals, both irrespective whether in ionic, complex or covalently bonded form, bases or cations of bases having a pkB of less than 4.5, or combinations thereof; and, iv) at least 100 wppm of bases or cations of bases having a pkB of at least 4.5 or combinations thereof, whereby the wppm are based on the total weight of hydrogen peroxide in the reaction mixture.

Abstract: A molded object is manufactured by a process, comprising: a) preparing a shaped object by molding a formulation of: 35 to 100% by weight of a thermoplastic polyester, 0 to 60% by weight of filler or a reinforcing material, 0 to 20% by weight of an impact modifying rubber, 0 to 30% by weight of a flame retardant, 0 to 20% by weight of a synergist and 0 to 5% by weight of other additives and/or processing agents; and b) treating the molded object for at least 1 hour at a temperature ranging from 180 to 250° C., thereby preparing a molded object with improved short-time deflection temperature under load properties.

Abstract: A process for the preparation of D-pantothenic acid and/or salts thereof or feedstuffs additives comprising these by fermentation of microorganisms of the Enterobacteriaceae family, in particular those which already produce D-pantothenic acid, in which the nucleotide sequence(s) in the microorganisms which code(s) for the cysK gene is/are enhanced, in particular over-expressed.

Abstract: Alleles of the lysC gene from corynebacteria that code for desensitized aspartokinases, and to processes for the preparation of L-lysine using bacteria containing these alleles.

Abstract: A salt-free process for preparing cyclobutanone, including isomerizing cyclopropylmethanol, preferably in aqueous solution, in the presence of an acidic heterogeneous catalyst to form cyclobutanol and, preferably after extraction and removal of the extractant, dehydrogenating the cyclobutanol over a heterogeneous catalyst.

Abstract: A fumed silica powder having a BET specific surface area of between 10 and 600 m2/g, a thickening action of at least 3000 mPas, and a grindometer value of less than 40 &mgr;m is produced by mixing i) at least one fumed silica precursor in vapor form, ii) a free-oxygen-containing gas and iii) a combustion gas in a burner with a combustion chamber with attached cooled flame tube to obtain a gas mixture; introducing steam through a tube arranged centrally in the burner into the gas mixture, to obtain a reaction mixture; and reacting the reaction mixture in the combustion chamber; wherein the lambda value is between 1 and 2, the gamma value is between 1 and 2 and the beta value is between 2.2 and 3.2.

Abstract: The invention relates to an isolated polynucleotide comprising a polynucleotide sequence chosen from the group consisting of a) polynucleotide which is identical to the extent of at least 70 % to a polynucleotide which codes for a polypeptide which comprises the amino acid sequence of SEQ ID No. 2, b) polynucleotide which codes for a polypeptide which comprises an amino acid sequence which is identical to the extent of at least 70 % to the amino acid sequence of SEQ ID No. 2, c) polynucleotide which is complementary to the polynucleotides of a) or b), and d) polynucleotide comprising at least 15 successive nucleotides of the polynucleotide sequence of a), b) or c), a process for the fermentative preparation of L-amino acids with enhancement of the acp gene and the use of the polynucleotide as a primer or hybridization probe.

Abstract: The present invention relates to a composition containing silico-organic nanohybrid and/or microhybrid capsules for scratch-resistant and/or abrasion-resistant coatings, wherein the silico-organic nanohybrid and/or microhybrid system includes one or more small metal oxide cores A and a substantially complete, silico-organic shell B, and the composition can be obtained by a reaction performed in situ, in a synthetic resin or in a synthetic-resin precursor compound, between metal oxide particles (KA-O) and at least one organofunctional silicon compound which contains an organofunctional group and at least one hydrolyzable group or at least one hydroxy group. The present invention also relates to the use of such compositions as the base for lacquers for producing a scratch-resistant and abrasion-resistant coating on a substrate as well as articles provided with corresponding scratch-resistant as well as abrasion-resistant coatings.

Abstract: The invention relates to a special amino acid mixture for hemodialysis as well as to the dialysis solution that can be prepared from the amino acid mixture. When the amino acid mixtures according to the invention are used for such purposes, the “shrinking men” phenomenon cam be prevented. The present invention also relates to a hemodialysis process and apparatus. This aspect of the invention provides a closed dialysis system with a dialyzer solution containing the amino acid mixtures according to the invention.

Abstract: A surface-modified precipitated silica, useful as a matting agent, contains the silica having a polymer on a surface thereof. The surface-modified precipitated silica improves the transmission of a clear coating material, having a refractive index of nD20=1.4492 and containing 5% by weight of said silica, by at least 20%, in comparison to the same clear coating material containing 5% by weight of a reference precipitated silica surface treated with a polyethylene wax.

Abstract: Settling times of a catalyst in the epoxidation of a cyclic, at least monounsaturated alkene are improved by a method, comprising epoxidizing a cyclic, at least monounsaturated alkene having from 8 to 20 carbon atoms in the ring in a reaction medium containing an oxidant and a catalyst system comprising at least one metal of Groups 4, 5 and 6 of the Periodic Table of the Elements, phosphoric acid and a phase transfer catalyst and a cyclic alkane having from 8 to 20 carbon atoms in the ring, which corresponds to the alkene reactant, as settling accelerator in the epoxidation reaction.

Abstract: The use of pulverulent thermosetting coating compositions based on physical mixtures of individual isocyanato isocyanurates formed from aliphatic and (cyclo)aliphatic and/or cycloaliphatic diisocyanates and from polyesters containing hydroxyl groups and terephthalic acid for coil powder coating materials, to a process for producing such coatings, and to the metal coils coated with such coating materials.

Abstract: Orthocarbonates are prepared by a process, comprising: reacting trichloroacetonitrile with an alkali metal salt or alkaline earth metal salt of an alcohol of the formula: R—OH  (II) wherein R is an unsubstituted or substituted, saturated aliphatic or cycloaliphatic hydrocarbon radical in which the carbon atom of group R, linked to the oxygen atom of the alcohol, has at least one hydrogen atom, reacting the product obtained in water with an oxidant, extracting the organic-aqueous phase of the material obtained after oxidation, and distilling the extracted material obtained and obtaining orthocarbonate product of the formula: C(OR)4  (I) wherein each R group is as defined above.

Abstract: A radiation curable powder coating composition, comprising I.) a binder comprising A) 60-90% by weight of at least one amorphous urethane acrylate; and B) 10-40% by weight of at least one crystalline urethane acrylate; wherein a Tg of a mixture of A) and B) is at least 35° C.; and II.) an auxiliary and an additive, excluding an UV initiator, crosslinks to yield a lightfast and weather-stable film.

Abstract: The present invention relates to the preparation of compounds of formula (I): from the corresponding hydantoins by means of an enzymatic process. The L-compound is preferably formed.

Abstract: The present invention is related to nucleotide sequences encoding a sensor kinse, citA, from Corynebacterium glutamicum.

Abstract: The present invention relates to polynucleotides that encode proteins having OpcA enzymatic activity. These polynucleotides can be used for increasing lysine biosynthesis in Coryneform glutamicum.

Abstract: Branched, amorphous, polyester-based macropolyols having a narrow molecular weight distribution and a process for making the macropolyol.

Abstract: Nucleotide sequences from coryneform bacteria which code for the cysD, cysN, cysK, cysE and cysH genes and a process for the fermentative preparation of amino acids using bacteria in which the genes mentioned are enhanced, a process for the fermentative preparation of L-amino acids using coryneform bacteria in which at least the cysD gene, the cysN gene, the cysK gene, the cysE gene and/or the cysH gene is present in enhanced form, and the use of polynucleotides which contain the sequences according to the invention as hybridization probes and a process for the preparation of an L-methionine-containing animal feedstuffs additive from fermentation broths.