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公开(公告)号:US20240399354A1
公开(公告)日:2024-12-05
申请号:US18732262
申请日:2024-06-03
Abstract: Two different types of catalysts are disclosed. The first catalyst has a porous support that is impregnated with an active metal catalyst. The support surrounds a metallic core, which functions to increase the bulk heat capacity of the catalyst, thereby damping temperature swings during use. The second catalyst also has a porous support that is impregnated with an active metal catalyst, which is heterogeneously distributed so that the catalyst is concentrated at or near the surface of the support structure. This is accomplished by impregnating the catalyst by pouring a molten metal catalyst over the bulk catalyst supports. This method allows of a small volume of molten catalyst relative to the pore volume of the support and concentrates the catalyst in a band near the surface of the supports.
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公开(公告)号:US12145134B1
公开(公告)日:2024-11-19
申请号:US18779617
申请日:2024-07-22
Inventor: Muhammad Ramzan Saeed Ashraf Janjua , Saba Jamil , Shanza Rauf Khan
IPC: B01J23/745 , B01J35/23 , B01J35/50 , B01J35/51 , B01J37/08 , C01G49/06 , C07C213/02
Abstract: A thermal method of forming ferric oxide nano/microparticles with predominant morphology is described using different solvents. Methods of using the Fe3O4 nano/microparticles as catalysts in the reduction of nitro compounds with sodium borohydride to the corresponding amines and decomposition of ammonium salts.
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公开(公告)号:US12109556B2
公开(公告)日:2024-10-08
申请号:US17299641
申请日:2019-12-03
Inventor: Yuichiro Banba , Kaori Sekine , Yukako Nakai , Mai Nishii , Masayuki Fukushima , Sadahiro Kato , Hirokazu Sasaki , Shinsuke Nishida , Takao Masuda , Yuta Nakasaka , Takuya Yoshikawa
IPC: B01J29/03 , B01J23/745 , B01J35/40 , B01J35/50
CPC classification number: B01J29/0308 , B01J23/745 , B01J35/40 , B01J35/50
Abstract: A functional structure which can suppress functional degradation of a functional material to achieve longer life, which can save resources without complicated replacement operations, and which, used for example as a catalyst, exhibits excellent catalytic activity. The functional structure includes supports each having a porous structure and including a zeolite-type compound, and at least one functional material present in the supports and including a metal element (M), in which each of the supports has channels communicating with one another, the functional material is present at least in the channel of each of the supports, and the metal element (M) having constituted the functional material is partially substituted with an element having constituted the supports.
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公开(公告)号:US20240326022A1
公开(公告)日:2024-10-03
申请号:US18604220
申请日:2024-03-13
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor: Nam Dong KIM , Jae Young JUNG , Sung Jong YOO , Bon-Cheol KU , Min Woo KIM , Hyeonsu JEONG
CPC classification number: B01J23/75 , B01J21/185 , B01J35/393 , B01J35/394 , B01J35/45 , B01J35/505 , B01J35/617 , B01J37/0221 , B01J37/088
Abstract: Provided is a single atom catalyst based on a carbon nanotube according to the present invention including a carbon support; and single atom metals supported on the carbon support, wherein the carbon support has a cone shape with an empty space formed therein and includes at least one carbon support having an open tip of the corn-shaped carbon support.
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公开(公告)号:US12102988B2
公开(公告)日:2024-10-01
申请号:US18116607
申请日:2023-03-02
Inventor: Muhammad Ramzan Saeed Ashraf Janjua , Saba Jamil , Shanza Rauf Khan
IPC: B01J23/745 , B01J35/23 , B01J35/50 , B01J35/51 , B01J37/08 , C01G49/06 , C07C213/02
CPC classification number: B01J23/745 , B01J35/23 , B01J35/50 , B01J35/51 , B01J37/08 , C01G49/06 , C07C213/02 , C01P2002/72 , C01P2004/03 , C01P2004/04 , C01P2004/34 , C01P2004/38 , C01P2004/41 , C01P2004/61 , C01P2004/64
Abstract: A thermal method of forming ferric oxide nano/microparticles with predominant morphology is described using different solvents. Methods of using the Fe3O4 nano/microparticles as catalysts in the reduction of nitro compounds with sodium borohydride to the corresponding amines and decomposition of ammonium salts.
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公开(公告)号:US12090470B2
公开(公告)日:2024-09-17
申请号:US18616331
申请日:2024-03-26
Inventor: Muhammad Ramzan Saeed Ashraf Janjua , Saba Jamil , Shanza Rauf Khan
IPC: B01J23/745 , B01J35/23 , B01J35/50 , B01J35/51 , B01J37/08 , C01G49/06 , C07C213/02
CPC classification number: B01J23/745 , B01J35/23 , B01J35/50 , B01J35/51 , B01J37/08 , C01G49/06 , C07C213/02 , C01P2002/72 , C01P2004/03 , C01P2004/04 , C01P2004/34 , C01P2004/38 , C01P2004/41 , C01P2004/61 , C01P2004/64
Abstract: A thermal method of forming ferric oxide nano/microparticles with predominant morphology is described using different solvents. Methods of using the Fe3O4 nano/microparticles as catalysts in the reduction of nitro compounds with sodium borohydride to the corresponding amines and decomposition of ammonium salts.
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公开(公告)号:US12083509B2
公开(公告)日:2024-09-10
申请号:US17606912
申请日:2020-06-29
Applicant: Mitsui Mining & Smelting Co., Ltd.
Inventor: Yuichi Senoo , Katsuhiko Hayashi , Junki Tomita , Takahiro Kogawa , Akihiro Kanno
CPC classification number: B01J29/7057 , B01J35/50 , B01J35/58 , C01B39/46 , C07C4/06 , B01J2229/18 , C01P2002/72 , C07C2529/70
Abstract: Provided is a beta zeolite satisfying P>76.79Q−29.514 in a range in which Q is less than 0.4011 nm, wherein, P represents an AB value that is an intensity ratio of A to B, A represents a diffraction intensity of a main peak of the beta zeolite observed by X-ray diffraction measurement, B represents a diffraction intensity of the (116) plane of α-alumina obtained by X-ray diffraction measurement under the same conditions as those for the X-ray diffraction measurement on the beta zeolite, the α-alumina being the standard substance 674a distributed by the American National Institute of Standards and Technology, and Q represents a lattice interplanar spacing of the main peak of the beta zeolite observed by X-ray diffraction measurement. It is preferable that the formula (1) above is satisfied in a range in which Q is from 0.3940 to 0.4000 nm.
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公开(公告)号:US12076710B2
公开(公告)日:2024-09-03
申请号:US18174695
申请日:2023-02-27
Applicant: Mitsubishi Chemical Corporation
Inventor: Kazuharu Tazawa , Takanori Taniguchi , Takuya Nakamura
IPC: B01J23/887 , B01J21/08 , B01J23/00 , B01J23/843 , B01J23/883 , B01J35/00 , B01J35/30 , B01J35/40 , B01J35/50 , B01J35/61 , B01J37/00 , B01J37/02 , B01J37/03 , B01J37/06 , B01J37/08 , C07C45/35 , C07C51/25
CPC classification number: B01J23/8877 , B01J21/08 , B01J23/002 , B01J23/8435 , B01J23/883 , B01J23/8876 , B01J35/00 , B01J35/30 , B01J35/40 , B01J35/50 , B01J35/613 , B01J37/0036 , B01J37/0221 , B01J37/0228 , B01J37/0236 , B01J37/0244 , B01J37/038 , B01J37/06 , B01J37/08 , C07C45/35 , C07C51/252 , B01J2523/00
Abstract: A ring-shaped catalyst may have a straight body part and a hollow body part, which is used when a gas-phase catalytic oxidation reaction of a material substance is conducted to produce a target substance, wherein a length of the straight body part is shorter than a length of the hollow body part and at least at one end part, a region from an end part of the straight body part to an end part of the hollow body part is concavely curved.
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公开(公告)号:US12064749B2
公开(公告)日:2024-08-20
申请号:US17092065
申请日:2020-11-06
Applicant: BASF Corporation
Inventor: Dieter G. Von Deak
IPC: B01J23/52 , B01J31/02 , B01J31/04 , B01J35/40 , B01J35/61 , B01J37/02 , B01J37/16 , C07C67/055 , B01J21/12 , B01J23/44 , B01J35/31 , B01J35/50
CPC classification number: B01J23/52 , B01J31/02 , B01J31/0205 , B01J31/04 , B01J35/40 , B01J35/615 , B01J35/617 , B01J35/618 , B01J37/02 , B01J37/0201 , B01J37/024 , B01J37/16 , C07C67/055 , B01J21/12 , B01J23/44 , B01J31/0274 , B01J35/31 , B01J35/50 , B01J2523/00 , C07C67/055 , C07C69/15 , B01J2523/00 , B01J2523/13 , B01J2523/19 , B01J2523/824
Abstract: A catalyst includes a support, where the support includes an external surface, about 60 wt % to about 99 wt % silica, and about 1.0 wt % to about 5.0 wt % alumina. A catalytic layer is disposed within the support adjacent to the external surface, where the catalytic layer further includes Pd, Au, and potassium acetate (KOAc). In the catalyst, (a) the KOAc is from about 60 kg/m3 to about 150 kg/m3 of the catalyst; or (b) the catalytic layer has an average thickness from about 50 μm to about 150 μm; or (c) both (a) and (b). The catalyst also possesses a Brunauer-Emmett-Teller surface area of about 130 m2/g to about 300 m2/g and a geometric surface area per packed bed volume from about 550 m2/m3 to about 1500 m2/m3. The catalyst is highly active for the synthesis of vinyl acetate monomer and exhibits a high selectivity for vinyl acetate monomer.
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公开(公告)号:US20240246065A1
公开(公告)日:2024-07-25
申请号:US18616331
申请日:2024-03-26
Inventor: Muhammad Ramzan Saeed Ashraf JANJUA , Saba JAMIL , Shanza Rauf KHAN
IPC: B01J23/745 , B01J35/23 , B01J35/50 , B01J35/51 , B01J37/08 , C01G49/06 , C07C213/02
CPC classification number: B01J23/745 , B01J35/23 , B01J35/50 , B01J35/51 , B01J37/08 , C01G49/06 , C07C213/02 , C01P2002/72 , C01P2004/03 , C01P2004/04 , C01P2004/34 , C01P2004/38 , C01P2004/41 , C01P2004/61 , C01P2004/64
Abstract: A thermal method of forming ferric oxide nano/microparticles with predominant morphology is described using different solvents. Methods of using the Fe3O4 nano/microparticles as catalysts in the reduction of nitro compounds with sodium borohydride to the corresponding amines and decomposition of ammonium salts.
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