CAS: 22205-45-4; Copper(I)Sulfide

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专利信息

专利号:US-2024309024-A1
优先权日:2023-03-14
标题 :Direct synthesis of alkenylhalosilanes
发明人：LEWIS KENRICK MARTIN; ZHU YANJUN; BYRNE CHRISTOPHER M
权利人:MOMENTIVE PERFORMANCE MAT INC
摘要:A process for the direct synthesis of alkenylhalosilane monomers. Forming a slurry of liquid and copper-activated silicon from fresh silicon, cyclone fines and/or fine dust from silicon grinding, ultrafines and/or spent contact mass from the Direct Synthesis of alkylhalosilanes and arylhalosilanes, in a thermally stable solvent. Reacting the silanes by agitating the slurry with at least one unsaturated aliphatic or cycloaliphatic organohalide of the formula R1X, and optionally an organohalosilane and/or hydrogen halide, in the presence of a polymerization inhibiting Lewis base additive, at a reaction time, temperature and pressure effective to produce alkenylhalosilanes having the formulae, R1SiHX2, R12SiHX, R13SiX, R1SiX3, and R12SiX2 or mixtures thereof.

专利号:WO-2013057134-A1
优先权日:2011-10-19
标 题:Synthesis of semiconductor nanoparticles using metal precursors comprising non- or weakly coordinating anions
发明人：BAHNMUELLER STEFAN; TIAN SUSAN; TIAN SHIZHE; HOHEISEL WERNER
权利人:BAYER IP GMBH; BAYER SOUTH EAST ASIA PTE LTD
摘要:The present invention relates to a method for the synthesis of semiconductor nanoparticles comprising elements of the groups IB, IIB, IIIA, IVA, VA or VIA of the periodic classification wherein the composition of the core nanoparticle is selected from the group consisting of IB-VIA, IIB-VIA, IIIA-VIA, IB-IIIA-VIA or IB-IIB-TVA-VIA, IIB-IIIA-VIA, IIB-TVA-VA or mixtures thereof, and at least one shell comprises elements of the groups IIB and VIA,, wherein in case the core composition is IIB-VIA the shell comprises at least a further element selected from the groups IB, IIIA, IVA or VA, using metal precursors comprising non- or weakly coordinating anions. It further relates to the consecutive process for the synthesis that includes first the preparation of a binary nanoparticle system then modified to make a ternary system which again can be further modified to make a quaternary system.

专利号:US-12240801-B2
优先权日:2019-06-05
标 题 :Method of synthesis and purification of citrulline
发明人：BULL JAMES ALAN; FISCHER HOLGER CHRISTIAN; KAISER KARL JUERGEN; MONNOT-CHASE BETTE
权利人:ASKLEPION PHARMACEUTICALS LLC
摘要:This invention provides for synthesis of citrulline from a transition metal complex of ornithine using cyanate to derivatize the terminal amino group of ornithine. The invention also provides improved methods for purification of citrulline produced by reaction of cyanate with ornithine via the steps of reprecipitation of copper complex of citrulline, removal of the complexing metal by sulfide precipitation, activated carbon adsorption and antisolvent crystallization.

专利号:US-8673260-B2
优先权日:2012-01-04
标 题 :Development of earth-abundant mixed-metal sulfide nanoparticles for use in solar energy conversion
发明人：PLASS KATHERINE
权利人:FRANKLIN AND MARSHALL COLLEGE
摘要:This invention relates to a process for the phase-controlled synthesis of ternary and quaternary mixed-metal sulfide nanoparticles by reacting soft metal ions with hard metal ions in a high-boiling organic solvent in the presence of a complexing and activating ligands to control the reactivity of the metal ions. Ternary and quaternary mixed metal sulfides nanoparticles of copper, sulfur, and iron, aluminum, tin, and silicon are preferred. This invention also relates to the phase controlled preparation of polymorphs of bornite nanoparticles and the phase controlled preparation of stabilized α- and γ-chalconite nanoparticles.

专利号:US-5973183-A
优先权日:1998-08-14
标 题 :Phosphine ligand promoted synthesis of tetraaryloxyalkane
发明人：HAITKO DEBORAH ANN; GRADE MARSHA MOTTEL; LONGLEY KATHRYN LYNN; COLBORN ROBERT EDGAR
权利人:GEN ELECTRIC
摘要:Addition of phosphine ligands can produce high yields of tetraphenoxymethane, TPM, and diphenylcarbonate, DPC, in short reaction times and improved reaction rates by a copper-induced condensation of phenol and carbon disulfide, CS 2 . Either aromatic or aliphatic substituted phosphine ligands can be employed. The copper(I) oxide utilization is significantly improved in reactions containing phosphine ligands, such that yields exceeding 100% tetraphenoxymethane are observed. Some of the sulfur-containing byproduct is transferred to the phosphine in the form of phosphine sulfide.

专利号:US-8470287-B2
优先权日:2009-11-25
标 题 :Preparation of copper zinc tin sulfide
发明人：IONKIN ALEX SERGEY
权利人:IONKIN ALEX SERGEY; DU PONT
摘要:The present invention relates to synthesis of copper zinc tin sulfide, Cu 2 ZnSnS 4 . Copper zinc tin sulfide is useful as an absorber material in a thin film solar cell application.