Abstract: A laser welding device includes a laser that generates a laser beam, an optics, and a limiting apparatus. The optics has a focal length of at least 200 nm and being configured to focus the laser beam onto a processing zone of a workpiece. The limiting apparatus limits a mixture of welding gases and heated ambient air, produced during laser welding, within the laser beam to a region that is less than the focal length from a surface of the workpiece.

Abstract: The invention relates to 2-substituted pyrimidines of the formula I in which the index n and these substituents R1, R2 and R3 are as defined in the description and R4 is as defined below: R4 corresponds to one of the formulae where Ra is hydrogen, C1-C6-alkyl, C2-C8-alkenyl, C2-C8-alkynyl, C3-C6-cycloalkyl or C1-C4-alkoxy and R5 is hydrogen, C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C1-C4-alkyloxy-C1-C2-alkyl, phenyl-C1-C2-alkyl or phenyloxy-C1-C2-alkyl, to processes for preparing these compounds, to compositions comprising these compounds and to their use as pesticides.

Abstract: The invention relates to 7-amino triazolopyrimidines of formula (I), in which the substituents have the following meanings: R1, R2 represent hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, phenyl, naphthyl; or 5-membered or 6-membered heterocyclyl containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom; or 5-membered or 6-membered heteroaryl containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, or R1 and R2 can, together with the nitrogen atom, which binds them, form a 5-membered or 6-membered ring containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom; R3 represents alkyl, alkenyl, alkynyl, cycloalkyl, phenylalkyl and alkyl halide; whereby R3 and R2 can be unsubstituted or partially or completely substituted according to the description; X represents halogen, cyano, alkoxy, alkyl halide, phenyl or phenyl that is substituted by Ra.

Abstract: Triazolopyrimidines of formula (I), wherein the index and substituents have the following meaning: n=0 or a whole number of 1-5; R=halogen, cyano, hydroxy, cyanate, alkyl, alkenyl, alkinyl, halogenalkyl, halogenalkenyl, alkoxy, alkenyloxy, alkinyloxy, halogenalkoxy, cycloalkyl, cycloalkenyl, cycloalkoxy, alkoxycarbonyl, alkenyloxycarbonyl, alkinyloxycarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl, alkoximinoalkyl, alkenyloximinocarbonyl, alkinyloximinoalkyl, alkylcarbonyl, alkenylcarbonyl, alkinylcarbonyl, cycloalkylcarbonyl or a five to ten membered saturated, partially unsaturated or aromatic heterocycle, containing one to four heteroatoms from the group O, N or S; R1=alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkenyl, phenyl, naphthyl or a five to ten membered saturated, partially unsaturated or aromatic heterocycle, containing one to four heteroatoms from the group O, N or S, R and/or R1 being able to be substituted according to the description; R2=alkyl, alkenyl or alkinyl which can be s

Abstract: Described is a novel process for the production of at least one protein of interest by secretion of the protein of interest from a pro- or eukaryotic host cell in a compartment system, which host cell is stably expressing a secretion system and capable of heterologous secretion of the protein of interest and which compartment system has at least a first and a second compartment and wherein the host cell is located in the first compartment and wherein the first and second compartment are separated from each other by a barrier, wherein the barrier is permeable for the secreted protein of interest, but not permeable for the host cell.

Abstract: Z-substituted acrylamides of formula (I), where the substituents have the following meanings: X?H, halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, with X in the 3- or 4-position, n=1 or 2, where X can be different if n=2, R1=alkyl, haloalkyl, cycloalkyl, alkoxy, haloalkoxy, aziridine and oxirane and R2?H, alkyl, haloalkyl, allyl, propargyl or CH2C?C-alkyl. Methods for production thereof, agents comprising the above and the use thereof for the treatment of plant-pathogenic fungal pests.

Abstract: The invention relates to 5-phenylpyrimidine of formula (I) wherein the substituents have the following designations: R1 represents a five to ten-membered saturated, partially unsaturated or aromatic monocyclic or bicyclic heterocycle which contains between one and four heteroatoms from the group O, N or S, and which can be substituted as defined in the description; R2 represents hydrogen, halogen, cyano, alkyl, halogenalkyl or alkoxy; R3 and R4 represent hydrogen, alkyl, halogenalkyl, cycloalkyl, halogencycloalkyl, alkenyl, halogenalkenyl, cycloalkenyl, alkinyl, halogenalkinyl or cycloalkinyl; together with the nitrogen atom to which they are bonded, R3 and R4 can also form a five or six-membered ring which can be split by a heteroatom and can carry at least one substituent; R5 and R6 represent hydrogen, halogen, alkyl, halogenalkyl or alkoxy; R1 and R8 represent hydrogen, halogen, alkyl or halogenalkyl; and R9 represents hydrogen, halogen, alkyl, alkoxy, cycloalkoxy, halogenalkoxy or alkoxycarbonyl.

Abstract: The invention relates to triazolopyrimidines of formula (I), in which the substituents are defined as follows: L1 represents cyano, S(?O)nA1 or C(?O)A2, wherein A1 stands for hydrogen, hydroxy, alkyl, alkylamino or dialkylamino; A2 stands for C1–C8 alkoxy, C1–C6 haloalkoxy or one of the groups named in A1; and n stands for 0, 1 or 2; L2, L3 represent hydrogen or halogen; L4, L5 represent hydrogen, halogen or alkyl; X represents halogen, cyano, alkyl, haloalkyl, alkoxy or haloalkoxy; R1 represents alkyl, haloalkyl, cycloalkyl, halocycloalkyl, alkenyl, alkadienyl, haloalkenyl, cycloalkenyl, alkynyl, haloalkynyl or cycloalkynyl, phenyl, naphthyl, or a five to ten-membered saturated, partially unsaturated or aromatic heterocyclus containing between one and four heteroatoms from the group containing O, N or S; R2 represents hydrogen or R1; R1 and R2 can form, together with the nitrogen atom to which they are bonded, a five or six-membered ring, which can be interrupted and/or substituted by an atom from the group

Abstract: Triazolopyrimidines of the formula I in which the index n and the substituents R1, R2 and R3 are as defined in the description, and processes for preparing these compounds, compositions comprising them and their use for controlling harmful fungi are described.

Abstract: 7-alkinylamino-triazolopyrimidins of formula (I), wherein the substituents have the following meanings: L=halogen, alkyl, halogenalkyl, alkoxy, amino, NHR, NR2, cyano, S(O)nA1 or C(O)A2; R=alkyl or alkylcarbonyl, A1=hydrogen, hydroxy, alkyl, alkylamino or aialkylamino; n=0, 1 or 2; A2=alkenyl, alkoxy, halogenalkoxy or one of the groups cited in A1; m=1, 2, 3, 4 or 5, whereby at least one group L is present in an ortho-position to the bond with the triazolopyrimidine skeleton; X=halogen, cyano, alkyl, halogenalkyl or alkoxy; R1=hydrogen or alkyl; R2=alkinyl which can be unsubstituted or substituted according to the description. The invention also relates to methods for the production of said compounds, agents containing said compounds and the use thereof to combat harmful phytopathogenic fungi.

Abstract: Disclosed are a method for producing fungicidal triazolopyrimidine compounds, agents containing said compounds, and the use thereof for controlling harmful fungi. Also disclosed are triazolopyrimidines of formula (I), in which the substituents have the following meaning: L1 represents alkyl; L2 represents halogen; L3represents hydrogen or halogen; X represents halogen, cyano, alkyl, alkoxy, or haloalkoxy; R1, R2 represent hydrogen, alkyl, haloalkyl, cycloalkyl, alkenyl, alkadienyl, alkinyl, or cycloalkinyl, phenyl, naphthyl, or a five-unit to ten-unit saturated, partially unsaturated, or aromatic heterocycle containing one to four heteroatoms from the group O, N, or S, R1 and R2 can also form a five-unit or six-unit ring along with the nitrogen atom to which they are linked. Said ring can be interrupted and/or substituted by an atom from the group O, N, and S while R1 and/or R2 can be substituted according to the description.

Abstract: 6-(2-Chloro-6-fluoro-phenyl)-triazolopyrimidines of formula (I), in which R1 and R2 independently denote hydrogen or alkyl, alkenyl, alkynyl, alkadienyl, or haloalkyl, cycloalkyl, bicycloalkyl, phenyl, naphthyl, or 5- or 6-membered heterocyclyl, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, or 5- or 6-membered heteroaryl, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, or where R1 and R2 radicals may be unsubstituted or partially or fully halogenated or may be substituted as defined in the description.

Abstract: A crop discharging device, such as a discharge spout for a crop chopping machine, has a crop input end mounted for swiveling about an inclined upright axis and for pivoting vertically about a horizontal axis. The discharge spout also includes a vertically adjustable flap at its discharge end for directing the flow of crop from the spout. A first actuator is provided for effecting movement of the spout about the upright axis, a second actuator is provided for effecting movement of the spout about the horizontal axis and a third actuator is provided for effecting movement of the flap. A control arrangement, which includes a memory into which a preset correlation table, or the like may be loaded, is provided for automatically controlling the position of the second actuator as a function of the position of the first actuator so as to maintain a given discharge height.

Abstract: Substituted 6-(2-methoxy-phenyl)-triazolopyrimidines of formula I in which R1 and R2 independently denote hydrogen or alkyl, alkenyl, alkynyl, or alkadienyl, haloalkyl, haloalkenyl, cycloalkyl, phenyl, naphthyl, or 5- or 6-membered heterocyclyl, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, or 5- or 6-membered heteroaryl, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, or where R1 and R2 radicals may be unsubstituted or substituted as defined in the description, or R1 and R2 together with the interjacent nitrogen atom represent a 5- or 6-membered heterocyclic ring, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, which may be substituted; L1, L2 independently denote hydrogen or halogen, provided that at least one from L1 or L2 is halogen; X is halogen, cyano, alkyl, alkoxy, haloalkoxy or alkenyloxy; processes for their preparation, compositi

Abstract: A laser welding method includes providing a storage medium containing stored data about possible welding defects and associated repair welding parameters, welding a workpiece with a laser to produce weldings on the workpiece, monitoring the produced weldings for defective weldings, and, in response to detecting a defective welding from among the monitored weldings: comparing the defective welding with the stored data about possible welding defects; selecting repair welding parameters from among the associated repair welding parameters based on the comparison; and then performing a repair welding in a region of the detected defective welding in accordance with the selected repair welding parameters.

Abstract: Oxazin(ethi)one compounds of the formula I: in which the variables Z, R1, R2, R3 and n are as defined in claim 1 and A is a 5- or 6-membered carbocycle or a 5- or 6-membered heterocycle having 1, 2 or 3 heteroatoms selected from the group consisting of N, O and S, each of which cycles is attached via two carbon atoms to the oxazin(ethi)one ring, and the agriculturally useful salts of the oxazin(ethi)one compounds I are described. Moreover, the invention describes the use of compounds I and their salts for controlling phytopathogenic fungi, compositions which comprise the compounds I and/or their salts in a fungicidally effective amount and a method for controlling phytopathogenic fungi which comprises treating the fungi or the materials, plants, seeds or the soil threatened by fungal attack with a fungicidally effective amount of at least one compound of the formula I as claimed in claim 1 and/or a salt of I.

Abstract: Silane is produced in a continuous process by disproportionating trichlorsilane in at least 2 recreation areas for reaction/distillation, which are run through by a countercurrent of steam and liquid in the presence of catalytically active solid under a pressure which ranges between 500 mbar and 50 bar.

Abstract: The invention relates to benzophenones of formula (I), in which the substituents have the following meanings: X represents halogen; R1 represents hydrogen, halogen, C1-C6 alkyl, halo-C1-C2 alkyl, C1-C4 alkoxy, oxyhalomethyl or nitro, and; R2 represents hydrogen, C1-C6 alkyl, benzyl, cyclohexylmethyl or C3-C6 alkenyl.

Abstract: This invention relates to a continuous process for the preparation of silane by catalytic disproportionation of trichlorosilane in a reactive/distillative reaction zone having a catalyst bed of catalytically active solid.

Abstract: The invention relates to a method for the production of high purity silicon, characterized by the following steps: a) reaction of metallic silicon with silicon tetrachloride (SiCl4), hydrogen (H2) and hydrochloric acid (HCl) at a temperature of 500 to 800° C. and a pressure of 25 to 40 bar to give a trichlorosilane-containing (SiHCl3) feed gas stream, b) removal of impurities from the resultant trichlorosilane-containing feed gas stream by scrubbing with condensed chlorosilanes at a pressure of 25 to 40 bar and a temperature of 160 to 200° C.