公开(公告)号：US11932544B2

公开(公告)日：2024-03-19

申请号：US16344955

申请日：2017-10-25

Applicant: JFE MINERAL COMPANY, LTD.

Inventor： Hidefumi Konnai ,  Shogo Shimazu

IPC: C01B33/40 ,  B01J21/16 ,  B01J35/02 ,  C01B33/26 ,  C07B61/00 ,  C07D307/46 ,  C07H3/02

CPC classification number: C01B33/26 ,  B01J21/16 ,  B01J35/026 ,  C01B33/40 ,  C07B61/00 ,  C07D307/46 ,  C07H3/02 ,  C01P2002/82 ,  C01P2002/88 ,  C01P2004/13

Abstract: Disclosed is a novel solid catalyst having high catalytic activity, a method for producing the solid catalyst, and a catalytic reaction using the solid catalyst. A disclosed surface-modified halloysite is a halloysite having a carboxy group-containing group or a sulfo group-containing group on the surface thereof.

公开(公告)号：US20210246039A1

公开(公告)日：2021-08-12

申请号：US17049438

申请日：2019-04-24

Applicant: JFE MINERAL COMPANY, LTD.

Inventor： Hidefumi Konnai

IPC: C01B33/40

Abstract: The present invention provides a novel material using a meta-halloysite that does not exist prior art, and a production method therefor. The meta-halloysite powder of the present invention is characterized in that: the meta-halloysite is covered by elemental carbon; the meta-halloysite contains elemental carbon; the meta-halloysite powder is a powder containing granules formed by the aggregation of meta-halloysite comprising meta-halloysite nanotubes covered by elemental carbon; or the meta-halloysite powder is powder containing granules formed by the aggregation of meta-halloysite comprising meta-halloysite nanotubes, which are tubular meta-halloysite, wherein the meta-halloysite contains elemental carbon.

公开(公告)号：US20210261421A1

公开(公告)日：2021-08-26

申请号：US17049443

申请日：2019-04-24

Applicant: JFE MINERAL COMPANY, LTD.

Inventor： Hidefumi Konnai

IPC: C01B33/40

Abstract: Provided are a novel metahalloysite powder and a production method thereof, which are not present in the prior art. The metahalloysite powder is a powder which comprises granules of aggregated metahalloysite comprising metahalloysite nanotubes, which are tube-shaped metahalloysite. The production method comprises a step of preparing a halloysite slurry which comprises halloysite nanotubes, a step for formulating a powder from the slurry, and a step for firing the formulated powder at a firing temperature of 500° C. or above.

公开(公告)号：US12281020B2

公开(公告)日：2025-04-22

申请号：US17049443

申请日：2019-04-24

Applicant: JFE MINERAL COMPANY, LTD.

Inventor： Hidefumi Konnai

IPC: C01B33/40 ,  B82Y40/00

Abstract: Provided are a novel metahalloysite powder and a production method thereof, which are not present in the prior art. The metahalloysite powder is a powder which comprises granules of aggregated metahalloysite comprising metahalloysite nanotubes, which are tube-shaped metahalloysite. The production method comprises a step of preparing a halloysite slurry which comprises halloysite nanotubes, a step for formulating a powder from the slurry, and a step for firing the formulated powder at a firing temperature of 500° C. or above.

公开(公告)号：US20230356189A1

公开(公告)日：2023-11-09

申请号：US17802182

申请日：2021-02-26

Applicant: JFE MINERAL COMPANY, LTD.

Inventor： Hidefumi Konnai ,  Takahiro Takei

IPC: B01J21/10 ,  B01J21/16 ,  B01J23/04 ,  B01J23/755 ,  B01J23/46 ,  B01J23/75 ,  B01J23/52 ,  B01J35/00 ,  B01J35/02 ,  B82Y35/00 ,  B82Y40/00

CPC classification number: B01J21/10 ,  B01J21/16 ,  B01J23/04 ,  B01J23/755 ,  B01J23/462 ,  B01J23/75 ,  B01J23/52 ,  B01J35/0006 ,  B01J35/026 ,  B82Y35/00 ,  B82Y40/00

Abstract: Provided is a composite body that includes halloysite powder including a granule in which halloysite including a halloysite nanotube is aggregated, and a transition metal catalyst carried in the halloysite powder. The granule preferably includes a first pore derived from a tube hole of the halloysite nanotube, and a second pore different from the first pore. The transition metal catalyst preferably includes at least one element selected from the group consisting of iron, ruthenium, cobalt, nickel and silver.

公开(公告)号：US20230093119A1

公开(公告)日：2023-03-23

申请号：US17801903

申请日：2021-02-26

Applicant: JFE MINERAL COMPANY, LTD.

Inventor： Hidefumi Konnai

IPC: B01J21/06 ,  B01J21/16 ,  B01J35/02 ,  B01J35/00

Abstract: Provided is halloysite powder including a granule in which halloysite including halloysite nanotubes and titanium oxide are aggregated. The granule includes a first pore derived from a tube hole of the halloysite nanotubes, and a second pore different from the first pore.

公开(公告)号：US20220371903A1

公开(公告)日：2022-11-24

申请号：US17771111

申请日：2020-10-26

Applicant: JFE MINERAL COMPANY, LTD.

Inventor： Hidefumi Konnai

IPC: C01B33/40 ,  C04B35/628 ,  C01B33/26 ,  C04B20/04

Abstract: Provided is halloysite powder having a small b value. The halloysite powder is powder including a granule in which halloysite including halloysite nanotubes is aggregated, the granule has a first pore deriving from a tube hole of the halloysite nanotubes and a second pore different from the first pore, and the Fe2O3 content is not more than 2.00 mass %.

公开(公告)号：US11180375B2

公开(公告)日：2021-11-23

申请号：US16344650

申请日：2017-10-24

Applicant: JFE MINERAL COMPANY, LTD.

Inventor： Hidefumi Konnai ,  Takayuki Fujita

IPC: B32B5/16 ,  C01B33/00 ,  C01B33/40 ,  C01B33/26

Abstract: Provided are a halloysite powder and a method for producing the halloysite powder. The halloysite powder contains granules in which halloysite including halloysite nanotubes is aggregated. The granules have first pores derived from the tube holes in the halloysite nanotubes and second pores that are different from the first pores.