专利号:US-10010875-B2 优先权日:2014-10-30 标题 :Method for preparing copper-zinc-based catalyst used in synthesis of methanol through CO2 hydrogenation 发明人:YU YANG; HAO AIXIANG; CHEN HAIBO; WEI SHIXIN; YIN YUSHENG; XIE TIANMING; HE JIAN; MAO CHUNPENG; TAN JIEDONG 权利人:CHINA PETROLEUM & CHEM CORP; RES INSTITUTE OF NANJING CHEMICAL INDUSTRY GR; RES INST NANJING CHEMICAL IND GROUP 摘要:Disclosed is a method for preparing a copper-zinc-based catalyst used in synthesis of methanol through CO 2 hydrogenation, and ultrasonic waves are used for control over crystalline phase's composition of a catalyst precursor. Further related to is a catalyst prepared by such a method. An amount of aurichalcite in an active catalyst precursor can be improved through the method, and the specific surface area of the metal copper in a reduced state catalyst is high. The catalyst presents high activity and hydrothermal stability, and promotes high space time yield of methanol in the synthesis of methanol through CO 2 hydrogenation.
专利号:US-11427596-B2 优先权日:2019-07-19 标 题:Metal-free solvent-free synthesis of fused-pyrido heterocycles and biomedical applications 发明人:CHELVAM VENKATESH; DUDHE PREMANSH; KRISHNAN MENA ASHA; SONAWANE AVINASH 权利人:INDIAN INSTITUTE OF TECH INDORE 摘要:Embodiments herein provide fused-pyrido heterocycles such as azaindoles, carboline derivatives, furo[b]pyridines or furo[b]pyridine-isatin hybrids of Formula I.Embodiments also relate to a process for a synthesis of variety of complex pyrido-heterocycles The pyrido-heterocycles can be used for treating cancer (cervix, kidney, lung, breast and epidermal skin) and multi-drug resistant tuberculosis. These heterocycles can also be used as anti-biofilm agents against pathogenic strains, which will minimize the risk of secondary infections.
专利号:US-2023174386-A1 优先权日:2020-05-07 标 题 :Scalable synthesis of semi-conducting chevrel phase compounds via selfpropagating high temperature synthesis 发明人:GOUMA PELAGIA-IREN; PAWAR MILIND MANSING 权利人:OHIO STATE INNOVATION FOUNDATION 摘要:Methods for the scalable and systematic synthesis of semiconducting Chevrel phase compounds via self-propagating high temperature synthesis (SHS) are provided. The provided methods utilize elemental precursors not utilized by typical synthesis methods. The precursors may include molybdenum (Mo), molybdenum disulfide (MoS 2 ), and a ternary cation. In various aspects, the ternary cation may be copper (Cu), iron (Fe), or nickel (Ni). The utilization of the provided precursors and SHS decreases the time it takes to synthesize Chevrel phase compounds as compared to typical heat treatment methods.
专利号:US-2024075466-A1 优先权日:2021-04-09 标 题:One-Pot Synthesis of Transition Metal-Promoted Chabazites 发明人:VAN TENDELOO LEEN; SCHUETZE FRANK-WALTER; VERHEYEN ELKE JANE JUNE 权利人:UMICORE AG & CO KG 摘要:The invention provides methods for a one-pot synthesis of molecular sieves of the CHA-type. The method uses molecular and non-molecular sieves as sources of silicon and aluminum. A first OSDA is selected from tetraethylenepentamine (TEPA) and triethy-lenepentamine (TETA). The synthesis mixture comprises a first metal selected from copper, iron and zinc. Optionally, the synthesis mixture may furthermore comprise a second OSDA and/or a second metal selected from manganese, cesium, magnesium, calcium, strontium, barium, yttrium, titanium, zirconium, niobium, iron, zinc, silver, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and mixtures thereof. The molecular sieves of the CHA-type obtainable by the method can be used as SCR-catalytically active substances for the removal of nitrogen oxides from exhaust gases of combustion engines.
专利号:US-2021129220-A1 优先权日:2019-10-30 标题:Method and Apparatus for In Situ Synthesis of Alloys and/or Composites From Different Composition Powders During Additive Manufacturing 发明人:LIU JIAN 权利人:LIU JIAN; POLARONYX INC 摘要:Methods and apparatuses for in situ synthesis of alloys and/or composites are disclosed, the method comprising: (a) providing an apparatus having: an electromagnetic energy source; an autofocusing scanner; a powder system; a powder delivery system; and computers coupled and configured to control the electromagnetic energy source, the autofocusing scanner, the powder system, and the powder delivery system; (b) programming the computers with structural and material specifications of the sample; (c) using the computers to control electromagnetic radiation, powder mixture, and powder deposition parameters; and (d) focusing and scanning the electromagnetic radiation onto the sample while two or more powders are concurrently deposited onto the sample to deposit layers onto the sample for multiple metal powder synthesis, metal and ceramic synthesis, ceramic synthesis, and/or gradated composition synthesis, wherein the layers comprise at least one new material which differs from the two or more powders. Other embodiments are described and claimed.
专利号:WO-2009018504-A1 优先权日:2007-08-01 标题 :Process for the synthesis of diaminopyridine and related compounds 发明人:RITTER JOACHIM C 权利人:DU PONT; RITTER JOACHIM C 摘要:A process is provided for the synthesis of a diaminopyridine, such as 2,6-diaminopyridine and related compounds, which are used industrially as compounds and as components in the synthesis of a variety of useful materials. The synthesis proceeds by means of a chlorine-ammonia displacement in the presence of a copper source.
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