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| Number | Title | Issue Date |
| 7932410 | Production of pheromones and fragrances from substituted and unsubstituted 1-alken-3yl alkylates Compounds of the formula (I) wherein R2 is a branched or unbranched, saturated or ethylenically mono or di unsaturated aliphatic radical, Z is —CH2OH, —CH2OAc or —CHO, m is a whole pos... | 04/26/2011 |
| 7393560 | Organo-metal compounds Organo-tin compound having the formula I: [R—(Y)a]b—SnX4-b wherein R stands for a polycyclic hydrocarbyl residue which optionally carries one or several substituents; Y stands for a bivalent linker group; X r... | 07/01/2008 |
| 7303140 | Operationally interactive enclosure A platform for electronic components has a temperature sensing array, a vibration sensing array, a programmable logic device, and one or more cooling fans. The programmable logic device receives temperature data from the temperature sensing array and structure-borne... | 12/04/2007 |
| 7214599 | High yield method for preparing silicon nanocrystal with chemically accessible surfaces Silicon nanocrystals with chemically accessible surfaces are produced in solution in high yield. Silicon tetrahalide such as silicon tetrachloride (SiCl4) can be reduced in organic solvents, such as 1,2-dimethoxyethane(glyme), with soluble reducing agents... | 05/08/2007 |
| 6509488 | Method for purifying fluoroaryl metal compound In a method for purifying a fluoroaryl metal compound of the present invention, magnesium halide is precipitated and removed from a solution containing the fluoroaryl metal compound, the magnesium halide, and an ether solvent. Or, the magnesium halide is ... | 01/21/2003 |
| 6465668 | Method for producing fluoroaryl metal compound A method for easily and inexpensively producing and purifying a fluoroaryl metal compound such as bis(pentafluorophenyl)dialkyltin which is less colored and has no impurities is provided. Hydrocarbon magnesium halide is reacted with fluoroaryl halide in a... | 10/15/2002 |
| 6316654 | Heterogeneous organotin catalysts This invention provides: (a) new organotin functionalized silanes: (b) a solid prepared by chemically bonding organotin functionalized silanes to a solid inorganic support containing surface hydroxy groups: (c) a solid catalyst prepared from said supporte... | 11/13/2001 |
| 6255515 | Processes for producing silicon- or germanium-containing organic compound, transition metal complex, catalyst for polymerization of -olefin and -olefin polymer An alkali metal- or alkali earth metal-containing organic compound (i) is reacted with a leaving group- and silicon- or germanium-containing compound (ii) in the presence of a nitrogen-containing aromatic heterocyclic compound. By such a method, it is pos... | 07/03/2001 |
| 5886203 | Metalorganic compounds A process is provided for the production of metalorganic compounds by reacting a Grignard reagent with a Group II, Group III or Group V metal halide in a tertiary alkyl amine solvent to form a metalorganic adduct, isolating the adduct and dissociating the... | 03/23/1999 |
| 5581004 | Preparation and use of (2-butene-1,4-diyl) magnesium complexes in organic synthesis The magnesium complexes of cyclic hydrocarbons and conjugated dienes, such as 1,2-dimethylenecycloalkanes and 1,3-butadienes, are readily prepared in high yields using highly reactive magnesium. Reactions of these (2-butene-1,4-diyl)magnesium reagents wit... | 12/03/1996 |
| 5474716 | Process for the preparation of bridged cyclopentadienylmagnesium compounds and use thereof for preparing metallocenes Disclosed are processes for the preparation of new bridged cyclopentadienylmagnesium compounds of the general formula Q(CpRa)(Cp'R'a ')Mg, and the use thereof for preparing bridged metallocenes.... | 12/12/1995 |
| 5359105 | Deprotonation of cyclopentadienyl derivatives Cyclopentadienyl derivatives are deprotonated by a process whereby the cyclopentadienyl derivatives are reacted with a Grignard reagent in an inert solvent which contains from about 0.5 to 1.5 equivalents per equivalent of cyclopentadienyl derivative of a... | 10/25/1994 |
| 4834992 | Non-toxic organotin stabilizers for vinyl chloride polymers Organotin stabilizer compositions containing more than 5 percent by weight of monoalkyl tin derivatives of mercaptoacetic acid esters, such as mono-n-octyltin-S,S',S"-tris(isooctyl mercaptoacetate), are useful as food-grade stabilizers for vinyl halide po... | 05/30/1989 |
| 4611071 | Metal alkyl process Metal alkyls such as trimethyl arsine are made in improved yields by reacting a metal halide, e.g. AsCl3, with a Grignard reagent such as methyl magnesium bromide complexed with a polyether such as di(2-methoxyethyl)ether.... | 09/09/1986 |
| 4501702 | Germanium compounds Germanium compounds, a process for the preparation thereof, a process for the preparation of a medicine using such a germanium compound for the treatment of cancer as well as the shaped medicine thus obtained. This invention relates to novel germanium compound... | 02/26/1985 |
| 4496490 | Non-toxic organotin stabilizers for vinyl chloride polymers Vinyl chloride polymers suitable for use in food packaging materials are stabilized against discoloration and embrittlement resulting from exposure to heat using mono-n-octyltin compounds of the general formula H17 C8 Sn(SCH2 | 01/29/1985 |
| 4330477 | Process for obtaining high-purity tricyclohexyl tin hydroxide on a high-yield basis A process for producing tricyclohexyl tin derivatives, consists of a first phase in which Grignard reagent and tin tetrahalogenide are caused to react by feeding them into a reaction vessel in a molar ratio of 3:1, and a second phase in which after hydrol... | 05/18/1982 |
| 4324798 | Fungicidal bis(substituted phenyl)alkyltin compounds Asymmetrically substituted triorganotin compounds of the general formula ##STR1## wherein R1 is hydrocarbyl or --R2 COOR3 where R2 is alkylene and R3 is hydrocarbyl; X is halogen, hydroxyl, R4 | 04/13/1982 |
| 4301173 | Horticultural composition and method for controlling plant mites An agricultural or horticultural miticidal composition for controlling mites which cause damage to plants, said miticidal composition comprising (1) a liquid carrier and/or a solid carrier, and (2) as an active ingredient, a trialkyltin compound of the formula ... | 11/17/1981 |
| 4269782 | Preparation of mixtures of methyltin trichloride and dimethyltin dichloride from stannic chloride and dimethyltin dichloride A process for making a mixed product of dimethyltin dichloride and methyltin trichloride by reacting dimethyltin dichloride with stannic chloride without catalyst. The mixed product is useful as an intermediate, without further purification, in the prepar... | 05/26/1981 |
| 4224338 | Simultaneous fungicidal and miticidal protection of plants employing certain tin compounds Method of protecting plants from both fungal organisms and mites in the same treatment in which there is applied to the plant an amount of one or more of selected tricyclopentyl tin and tris(cyclopentylmethyl)tin compounds, which amount is sufficient to p... | 09/23/1980 |
| 4222950 | Method for preparing triorganotin halide Triorganotin compounds of the general formula ##STR1## are efficacious insecticides when applieds to objects, particularly plants, that are susceptible to infestation by insects. In the foregoing formula R1 and R2 are individual... | 09/16/1980 |
| 4221811 | Antifungal and/or antibacterial organotin compounds, and use Antifungal and/or antibacterial organotin compounds characterized by the formula in which R1, R2 and R3 represent linear or branched alkyl groups having at most 5 carbon atoms or aryl groups, X represents a functional grou... | 09/09/1980 |
| 4216066 | Preparation of tetramethyltin from a magnesium-tin alloy A method of producing tetramethyltin which comprises the steps of: (a) reacting methyl chloride in an ether solvent with a tin-magnesium alloy containing from 1:1 to 1:2 mole ratio of tin to magnesium whereby a substantial quantity of the methyl chloride is co... | 08/05/1980 |
| 4212810 | Novel trimethyltetraorganotin compounds Many varieties of harmful insects which attack useful plant crops can be controlled by treating the plants with compositions containing certain novel tetraorganotin compounds wherein three of the four hydrocarbon groups bonded to the tin atom are methyl a... | 07/15/1980 |
| 4191698 | Tricyclopentyltin fluoride Tricyclopentyltin fluoride effectively controls plant fungi and various types of insects when incorporated into formulations that are applied directly to these organisms or to substrates, including living plants, that are susceptible to infestation with t... | 03/04/1980 |
| 4174346 | Process for preparing organotin compounds Tricycloalkyltin chlorides e.g. tricyclohexyltin chlorides, which may be converted to the fungicide tricyclohexyl hydroxide, are made by reacting an organic tricycloalkyltin, in which the organic is not cycloalkyl and cycloalkyl is optionally substituted ... | 11/13/1979 |
| 4138483 | Insecticidal compositions containing certain tetraorganotin compounds and method for using same Many varieties of harmful insects which attack useful plant crops can be controlled by treating the plants with compositions containing at least one tetraorganotin compound wherein three of the four hydrocarbon groups bonded to the tin atom are methyl and... | 02/06/1979 |
| 4129584 | Process for preparing dimethyltin dichloride A process is provided for preparing dimethyltin dichloride by the reaction of tin metal and methyl chloride in the presence of sulfonium or isothiuronium salts as catalysts.... | 12/12/1978 |
| 4128565 | Process for preparing methyltin chlorides Improved process for preparing methyltin chlorides through direct reaction of methyl chloride with metallic tin wherein the reaction is effected in a high-boiling hydrocarbon solvent in the presence of a glycol and iodine or an iodine compound as a reacti... | 12/05/1978 |
| 4113758 | Process for preparing organotin halides Tricycloalkyltin halides, e.g. tricyclohexyltin chloride, which is an intermediate for making the biocide tricyclohexyl tin hydroxide, are made by adding a solution of the cyclo alkyl magnesium halide in an ether to a solution of stannic halide in a liqui... | 09/12/1978 |
| 4092340 | Process for preparing organotin compounds Tetraalkyltin compounds substantially free from tin, tin alkyl and di alkyl contaminants are prepared by reacting an alkyl halide of 1 - 4 carbon atoms with tin in the presence of an 'onium salt e.g. a quaternary ammonium halide and at least 0.5 g atom of... | 05/30/1978 |
| 4058545 | Method for preparing tri(ଲ-substituted phenethyl)tin halides Tri(ଲ-substituted phenethyl)tin halides such as trineophyltin chloride are prepared by reacting three moles of the corresponding organomagnesium halide for every mole of an organotin trihalide containing an alkyl or a phenyl group bonded to the tin ... | 11/15/1977 |
| 4046791 | Method for producing monoalkyl-tin-trihalides Monoalkyl-tin-trihalides are prepared in a high yield by a method in which a stannous halide reacts with an alkyl halide in an organic solvent in the presence of a catalytic substance selected from the group consisting of magnesium, iodine, bromine, Grign... | 09/06/1977 |
| 4010186 | Removal of lead from aqueous solution using metallic magnesium A process is described for reducing the lead content of aqueous solution containing lead impurities in which the solution is contacted with metallic magnesium. Lead compounds are converted to water insoluble forms which are separated by recourse to physic... | 03/01/1977 |
| 3975417 | Process for producing halogenated organotin compounds A process for the production of an octyltin chloride of the formula, Wherein m is an integer of 1 to 3, which comprises reacting n-octyl chloride with metallic tin in an organic solvent in the presence of (1) either a mixture of a phosphorus compound with an a... | 08/17/1976 |
| 3959324 | Alkyltin cyclopropylcarbinylsulfonate Pesticidal and anti-inflammatory cyclopropyl compounds, cyclopropyl intermediates for the preparation of pesticidal compounds, especially chrysanthemic acid-like intermediates, and a process for preparing same.... | 05/25/1976 |
| 3957839 | Method for the preparation of methyltin trichloride Method for making methyltin trichloride by reacting methyl chloride with molten tin-(II)-chloride in a salt melt comprising one or more chlorides of certain metals.... | 05/18/1976 |
