CAS: 7782-61-8; Nitric Acid (Nitrate Nonahydrate)

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专利信息

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-2023159337-A1
优先权日:2021-11-19
标题:Synthesis of uniform diamond nanoparticles
发明人：YAN HAO; LYU TENGTENG
权利人:UNIV NORTH TEXAS
摘要:The synthesis of sub-five-nanometer nanodiamonds with high uniformity and purity. Inspired by the formation of natural diamond, iron carbide nanoparticles embedded in iron oxide matrices as the carbon source were used. High-pressure-high-temperature treatment of the precursor yields nanodiamonds with tunable diameters down to 2.13 nm and 0.22-nm standard deviation. The disclosed synthesis procedures also include a method for forming fluorescent nanodiamonds.

专利号:US-2024342790-A1
优先权日:2023-04-11
标题 :System and a method for synthesis of iron-based nanoparticles
发明人：GOGOI MADHULEKHA; BORAH MANABENDRA; KALITA SANMILAN JYOTI; SAIKIA LAKSHI; BORA HIMANGSU KOUSIK; KONWAR RITURAJ; BORBORAH ADITYA MAN
权利人:KNOWLEDGEPIE PRIVATE LTD
摘要:A method for synthesis of iron-based nanoparticles is disclosed. The method includes mixing, an ascorbic acid solution with a citric acid solution to form a mixture. The mixture includes 20 mL of 0.1 M ascorbic acid solution and 20 mL of 1 M citric acid solution. The method also includes adding, a plurality of iron salts nitrate nonahydrate solution to ascorbic acid and citric acid mixture then stirring, the mixture using a magnetic stirrer and adding 8 ml of 0.005 M of Sodium Hexachloroplatinate Hexahydrate solution to the mixture. Further, the method includes adding a Sodium tetra hydrido borate to the mixture resulting in a black coloured solution along with effervescence and holding, the mixture undisturbed after the effervescence stops to obtain a green coloured solution. Furthermore, the method includes decanting, the green coloured solution, stirring at room temperature and obtaining, a plurality of iron nanoparticles.

专利号:US-2024336586-A1
优先权日:2021-07-29
标题:Methods for synthesis of racemic, scalemic, and chiral alpha-tocotrienol quinone
发明人：GIANNOUSIS PETER; MOLLARD PAUL; GOUDEDRANCHE SEBASTIEN; KARASAWA TOMOYA
权利人:PTC THERAPEUTICS INC
摘要:The application discloses methods useful for the synthesis of racemic, scalemic, and chiral alpha-tocotrienol quinone, including synthetic intermediates and methods for making said synthetic intermediates.

专利号:US-8388923-B2
优先权日:2010-11-10
标题:Combination catalysts based on iron for the substantial synthesis of multi-walled carbon nanotubes by chemical vapor deposition
发明人：BAHATTAB MOHAMMED ABDULLAH; BAGABAS ABDULAZIZ A; AL-NAJJAR IBRAHIM M
权利人:BAHATTAB MOHAMMED ABDULLAH; BAGABAS ABDULAZIZ A; AL-NAJJAR IBRAHIM M; KING ABDULAZIZ CITY SCI & TECH
摘要:Methods and systems of preparing a catalyst to be used in the synthesis of carbon nanotubes through Chemical Vapor Depositions are disclosed. The method may include a mixture comprising at least one of an iron catalyst source and a catalyst support. In another aspect, a method of synthesizing multi-walled carbon nanotubes using the catalyst is disclosed. The method may include driving a reaction in a CVD furnace and generating at least one multi-walled carbon nanotube through the reaction. The method also includes depositing the catalyst on the CVD furnace and driving a carbon source with a carrier gas to the CVD furnace. The method further includes decomposing the carbon source in the presence of the catalyst under a sufficient gas pressure for a sufficient time to grow at least one multi-walled carbon nanotube.

专利号:WO-2023166184-A1
优先权日:2022-03-03
标题 :Catalytically active material for ammonia synthesis obtainable by reduction of a precursor material having a phase pure spinel structure
发明人：RULAND HOLGER; FOLKE JAN; REIN DENISE; ORTEGA KLAUS FRIEDEL; BEHRENS MALTE; SCHLÖGL ROBERT
权利人:FRITZ HABER INST DER MAX PLANCK GESELLSCHAFT
摘要:The present invention relates to a catalytically active material for ammonia synthesis obtainable by reducing a precursor material having a phase pure spinel structure which itself is obtainable by heating an intermediate having a layered double hydroxide (LDH) structure. The present invention is also directed to a method of forming the catalytically active material and to a method of synthesizing ammonia, decomposing ammonia or both when using the catalytically active material. Moreover, the present invention is concerned with the use of the catalytically active material in the synthesis of ammonia, decomposition of ammonia or both as well as the use of the intermediate and the precursor material in the preparation of the catalytically active material for ammonia synthesis.