公开(公告)号：US12275003B1

公开(公告)日：2025-04-15

申请号：US18971324

申请日：2024-12-06

Applicant: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY

Inventor： Mohamed Nady Abd El-Hameed Ibrahim ,  Abd El-Aziz Ahmed Said

IPC: B01J23/84 ,  B01J21/18 ,  B01J35/30 ,  B01J35/45 ,  B01J37/04 ,  B01J37/08 ,  C07C45/00

Abstract: A method of preparing nanoparticles of carbon-supported copper manganite (CuMn2O4) comprising: preparing a first solution of a copper (II) salt and a manganese salt in a first polar organic solvent, where the molar ratio of Cu:Mn is from about 0.8:1 to about 1.2:1; admixing a second solution containing an organic ligand in a second polar organic solvent with the first solution to form a first mixture, wherein the second polar organic solvent is miscible with the first polar organic solvent; hydrothermally heating the obtained mixture at a temperature of from about 100° C. to about 200° C. for a duration sufficient to yield a solid metal-organic framework composite material; and, calcining the composite material at a temperature in the range of from about 350° C. to about 600° C.

公开(公告)号：US20250073693A1

公开(公告)日：2025-03-06

申请号：US18426696

申请日：2024-01-30

Applicant: National Taiwan University of Science and Technology

Inventor： Wei-Hung Chiang ,  Darwin Kurniawan ,  Ren-Jie Weng

IPC: B01J37/34 ,  B01J23/72 ,  B01J23/745 ,  B01J35/45 ,  B01J37/03 ,  H05H1/48

Abstract: A nano-catalysts synthesis method comprises steps of: using a microplasma device to perform a microplasma treatment on a precursor solution; and purifying the precursor solution after the microplasma treatment to obtain the nano-catalysts. The microplasma has a plasma size smaller than one millimeter on at least one dimension. The precursor solution comprises a precursor and a solvent. The present invention can achieve a nano-catalysts producing method at room temperature with high efficiency and yield rate through a simple and rapid process using extremely low amount of acid or alkali solvent without introducing any toxic solvents.

公开(公告)号：US20240409431A1

公开(公告)日：2024-12-12

申请号：US18697374

申请日：2021-10-07

Applicant: TOHOKU UNIVERSITY

Inventor： Hiroaki KOBAYASHI ,  Jun FUKUSHIMA ,  Kazuki OKAWARA ,  Itaru HOMMA ,  Hirotsugu TAKIZAWA

IPC: C01G45/12 ,  B01J23/889 ,  B01J35/45 ,  B01J35/70 ,  B01J37/04 ,  C01B32/40

Abstract: The present invention provides a carbon dioxide reduction catalyst capable of reducing carbon dioxide under mild conditions, a carbon dioxide reduction method using the carbon dioxide reduction catalyst, and a carbon dioxide reduction apparatus. A metal oxide of the present invention has a spinel-type crystal structure including a metal element A, manganese, and oxygen. The A is at least one metal element selected from the group consisting of nickel and copper, a molar composition ratio of manganese to oxygen is from 1:1.8 to 1:2.2, and a molar composition ratio of the metal element A to manganese is from 1:1.7 to 1:2.3. In an X-ray diffraction pattern obtained by X-ray diffraction measurement using a Cu-Kα ray, the metal oxide has an intensity ratio (I18°/I37°) of 0.2 or more between a peak having a 2θ value in a range of from 16° to) 20° (P18°) and a peak having a 2θ value in a range of from 35° to 39° (P37°).

公开(公告)号：US12128356B1

公开(公告)日：2024-10-29

申请号：US18761552

申请日：2024-07-02

Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS

Inventor： Sagheer A. Onaizi

IPC: B01D53/86 ,  B01J21/04 ,  B01J23/00 ,  B01J23/72 ,  B01J23/889 ,  B01J29/06 ,  B01J35/45 ,  B01J35/51 ,  B01J35/61 ,  B01J35/63 ,  B01J37/03 ,  B01J37/04 ,  B01J37/12

CPC classification number: B01D53/8612 ,  B01J21/04 ,  B01J23/002 ,  B01J23/72 ,  B01J23/889 ,  B01J29/06 ,  B01J35/45 ,  B01J35/51 ,  B01J35/613 ,  B01J35/615 ,  B01J35/633 ,  B01J37/035 ,  B01J37/04 ,  B01J37/12 ,  B01D2257/304

Abstract: A method for removing hydrogen sulfide (H2S) from a H2S-containing gas composition, including charging an aqueous media to a reactor under continuous agitation, dispersing particles of a composite in the aqueous media to form a composite mixture, continuously agitating the composite mixture, introducing the H2S-containing gas composition to the reactor containing the composite mixture under continuous agitation and passing the H2S-containing gas composition through the composite mixture, and adsorbing and removing H2S from the gas composition by the composite mixture to form a purified gas composition. The composite contains a CuMnAl mixed metal oxide (MMO) and zeolitic imidazolate framework-67 (ZIF-67) nanoparticles. The ZIF-67 nanoparticles are dispersed between layers of the CuMnAl MMO.

公开(公告)号：US20240352049A1

公开(公告)日：2024-10-24

申请号：US18632442

申请日：2024-04-11

Applicant: Momentive Performance Materials Inc.

Inventor： Kenrick Martin Lewis ,  Abellard Mereigh

IPC: C07F7/18 ,  B01J23/72 ,  B01J35/45

CPC classification number: C07F7/1872 ,  B01J23/72 ,  B01J35/45

Abstract: An improved catalyzed reaction of silicon metal with alcohol is provided for the formation of alkoxysilanes, particularly trialkoxysilanes. The Direct Synthesis reaction of silicon metal and alcohol employs a catalytically effective amount of a copper-aluminum alloy as a catalyst precursor and further benefits from an effective catalyst-promoting amount of a catalyst promoter.

公开(公告)号：US20240347709A1

公开(公告)日：2024-10-17

申请号：US18751373

申请日：2024-06-24

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yale Wu ,  Ming Zhang ,  Jimin Yang

IPC: H01M4/36 ,  B01J21/06 ,  B01J23/745 ,  B01J35/45 ,  B01J37/02 ,  B01J37/18 ,  C01B32/162 ,  C01B33/02 ,  H01M4/02 ,  H01M4/38 ,  H01M4/587

CPC classification number: H01M4/366 ,  B01J21/06 ,  B01J23/745 ,  B01J35/45 ,  B01J37/0207 ,  B01J37/0236 ,  B01J37/18 ,  C01B32/162 ,  C01B33/02 ,  H01M4/386 ,  H01M4/587 ,  C01B2202/22 ,  C01B2202/34 ,  C01P2004/03 ,  C01P2004/13 ,  C01P2004/61 ,  C01P2004/80 ,  C01P2006/12 ,  C01P2006/40 ,  C01P2006/80 ,  H01M2004/021 ,  H01M2004/027

Abstract: Provided are a silicon negative electrode material, which is characterized by comprising silicon particles and carbon nanotubes grown on the surface of the silicon particles, wherein the carbon nanotubes comprise fluffy carbon nanotubes and intertwined filamentary carbon nanotubes, and the silicon particles are wrapped by the fluffy carbon nanotubes and the filamentary carbon nanotubes. Further provided is a method for preparing the silicon negative electrode material.

公开(公告)号：US20240342695A1

公开(公告)日：2024-10-17

申请号：US18294641

申请日：2022-08-02

Applicant: The Regents of the University of Michigan

Inventor： Peng Zhou ,  Zetian Mi

IPC: B01J35/39 ,  B01J19/00 ,  B01J19/12 ,  B01J23/26 ,  B01J23/46 ,  B01J35/00 ,  B01J35/30 ,  B01J35/33 ,  B01J35/45 ,  B01J35/53 ,  B01J35/58 ,  B01J37/34

CPC classification number: B01J35/39 ,  B01J19/0013 ,  B01J19/127 ,  B01J23/26 ,  B01J23/464 ,  B01J35/19 ,  B01J35/33 ,  B01J35/397 ,  B01J35/398 ,  B01J35/45 ,  B01J35/53 ,  B01J35/58 ,  B01J37/345 ,  B01J2219/00144 ,  B01J2219/00155 ,  B01J2219/0892

Abstract: A method of promoting a chemical reaction includes immersing a device in a solution contained in a reaction chamber, the device including a substrate and a plurality of conductive projections supported by the substrate, each conductive projection of the plurality of conductive projections having a semiconductor composition, irradiating the device to drive the chemical reaction, and controlling a temperature of the solution contained in the reaction chamber such that the temperature is maintained in a temperature range closer to a boiling temperature of the solution than a freezing temperature of the solution

公开(公告)号：US20240316539A1

公开(公告)日：2024-09-26

申请号：US18611817

申请日：2024-03-21

Applicant: UT-Battelle, LLC

Inventor： Michelle K. Kidder

IPC: B01J23/889 ,  B01J23/00 ,  B01J23/04 ,  B01J35/45 ,  B01J35/53 ,  B01J35/64 ,  C07C1/12

CPC classification number: B01J23/8892 ,  B01J23/005 ,  B01J23/04 ,  B01J35/45 ,  B01J35/53 ,  B01J35/643 ,  B01J35/647 ,  C07C1/12 ,  C07C2523/72 ,  C07C2523/745 ,  C07C2523/75 ,  C07C2523/755 ,  C07C2523/80 ,  C07C2523/83 ,  C07C2523/847 ,  C07C2523/889

Abstract: A porous catalyst useful in the conversion of carbon dioxide to one or more hydrocarbons, the porous catalyst containing: (i) a bimetallic oxide portion containing at least one of iron oxide and nickel oxide or carbide in combination with at least one oxide, hydroxide, and/or carbide of at least one of manganese, cobalt, copper, yttrium, zirconium, niobium, hafnium, zinc, and lanthanides; and (ii) an alkali metal oxide, hydroxide, or carbonate portion in contact with the bimetallic oxide portion; wherein the porous catalyst contains pores in the bimetallic oxide portion. A method of using the porous catalyst to convert carbon dioxide to hydrocarbons, particularly olefins, containing at least four carbon atoms, is also described.

公开(公告)号：US20240286119A1

公开(公告)日：2024-08-29

申请号：US18572547

申请日：2022-06-28

Applicant: DRM CATALYST INC.

Inventor： Gun-Tae KIM ,  Jin-Kyung OH ,  Kyung-Joong YOON ,  Ji -Su SHIN

IPC: B01J23/83 ,  B01J35/45 ,  B01J37/04 ,  B01J37/08

CPC classification number: B01J23/83 ,  B01J35/45 ,  B01J37/04 ,  B01J37/08 ,  B01J2235/30

Abstract: A nanocatalyst for methane dry reforming has a fluorite structure and has a plurality of transition metal or noble metal particles dispersed on a surface thereof. The nanocatalyst is represented by the Chemical Formula, A1-aCeaO2-δ. In the Chemical Formula, A is selected from rare earth elements excluding Ce, and a and δ are real numbers of 0

公开(公告)号：US20240238769A1

公开(公告)日：2024-07-18

申请号：US18394850

申请日：2023-12-22

Applicant: The Board of Regents of the University of Oklahoma

Inventor： Fernando Luis Esteban Florez ,  Sharukh Soli Khajotia ,  Adam Justin Rondinone

IPC: B01J27/24 ,  A61K6/30 ,  A61K6/62 ,  B01J23/75 ,  B01J31/06 ,  B01J31/38 ,  B01J35/39 ,  B01J35/45 ,  B01J37/02

CPC classification number: B01J27/24 ,  A61K6/30 ,  A61K6/62 ,  B01J23/75 ,  B01J31/06 ,  B01J31/38 ,  B01J35/39 ,  B01J35/45 ,  B01J37/0219

Abstract: A dental composition comprising nitrogen-doped TiO2 nanoparticles, and a curable resin material, wherein the curable resin material comprises a polymer precursor component, and wherein the nitrogen-doped TiO2 NPs further comprise at least additional one dopant selected from the group consisting of Ag (silver), F (fluorine), P (phosphorus), and PO4 (phosphate). A method of using the dental composition in a dental application. The dental composition may be antibacterial in the absence of visible light or UV light.