公开(公告)号：US20240092653A1

公开(公告)日：2024-03-21

申请号：US18254059

申请日：2020-12-08

Applicant: DIC Corporation

Inventor： Shaowei YANG ,  Jianjun YUAN ,  Masafumi UOTA ,  Mutsuko TANGE ,  Cheng LIU ,  Meng LI ,  Wei ZHAO ,  Jian GUO

IPC: C01G33/00 ,  C01G39/02

CPC classification number: C01G33/00 ,  C01G39/02 ,  C01P2002/85 ,  C01P2004/54 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/82

Abstract: Niobium oxide particles which have a controlled crystal shape and exhibit excellent characteristics are provided. The niobium oxide particles include molybdenum. The niobium oxide particles preferably have a polyhedral, columnar or acicular shape. The MoO3 content (M1) measured by XRF analysis of the niobium oxide particles is preferably 0.1 to 40 mass % relative to the niobium oxide particles taken as 100 mass %. A method for producing the niobium oxide particles described above includes calcining a niobium compound in the presence of a molybdenum compound.

公开(公告)号：US20240001347A1

公开(公告)日：2024-01-04

申请号：US18254107

申请日：2020-12-09

Applicant: DIC Corporation

Inventor： Shaowei YANG ,  Jianjun YUAN ,  Cheng LIU ,  Meng LI ,  Wei ZHAO ,  Jian GUO

IPC: B01J23/881 ,  B01J35/00 ,  B01J35/10 ,  B01J37/00 ,  B01J37/08

CPC classification number: B01J23/881 ,  B01J35/006 ,  B01J35/1014 ,  B01J37/0072 ,  B01J37/08

Abstract: Iron oxide particles which have a polyhedral shape and which contain molybdenum. The crystallite size of the plane of the iron oxide particles is preferably 280 nm or more. Furthermore, a method for producing the iron oxide particles. The method includes calcining an iron compound in the presence of a molybdenum compound.

公开(公告)号：US20220081310A1

公开(公告)日：2022-03-17

申请号：US17422742

申请日：2019-01-25

Applicant: DIC Corporation

Inventor： Shaowei YANG ,  Masamichi HAYASHI ,  Jianjun YUAN ,  Yasuto MURATA ,  Cheng LIU ,  Wei ZHAO

IPC: C01F7/30

Abstract: Provided are a tabular alumina particle and a method for manufacturing it, wherein the particle has a major axis of 30 μm or more, a thickness of 3 μm or more, and an aspect ratio of 2 to 50 and contains molybdenum; and the method includes the steps of mixing an aluminum compound of 10% by mass or more in a form of Al2O3, a molybdenum compound of 20% by mass or more in a form of MoO3, a potassium compound of 1% by mass or more in a form of K2O, and silicon or a silicon compound of less than 1% by mass in a form of SiO2, where total amount of raw materials is assumed to be 100% by mass in forms of oxides, so as to produce a mixture and firing the resulting mixture.

公开(公告)号：US20240092699A1

公开(公告)日：2024-03-21

申请号：US18254296

申请日：2020-12-16

Applicant: DIC Corporation

Inventor： Shaowei YANG ,  Minoru TABUCHI ,  Jianjun YUAN ,  Cheng LIU ,  Meng LI ,  Wei ZHAO ,  Jian GUO

IPC: C04B35/488 ,  C04B35/64

CPC classification number: C04B35/488 ,  C04B35/64 ,  C04B2235/3246 ,  C04B2235/3256 ,  C04B2235/656 ,  C04B2235/781 ,  C04B2235/94 ,  C04B2235/95

Abstract: It relates to zirconia particles containing molybdenum and each having a polyhedron shape. The molybdenum is preferably unevenly distributed in surface layers of the zirconia particles. It also relates to a method for producing the zirconia particles. The method includes mixing a zirconium compound and a molybdenum compound to form a mixture and firing the mixture.

公开(公告)号：US20240002250A1

公开(公告)日：2024-01-04

申请号：US18253669

申请日：2020-12-07

Applicant: DIC Corporation

Inventor： Shaowei YANG ,  Jianjun YUAN ,  Masafumi UOTA ,  Mutsuko TANGE ,  Cheng LIU ,  Meng LI ,  Wei ZHAO ,  Jian GUO

IPC: C01G39/00 ,  C01G35/00

CPC classification number: C01G39/00 ,  C01G35/00 ,  C01P2002/60 ,  C01P2002/72 ,  C01P2004/03 ,  C01P2002/85 ,  C01P2006/12 ,  C01P2004/30

Abstract: It relates to tantalum oxide particles containing molybdenum. The tantalum oxide particles preferably have a polyhedral shape, and the crystallite size of the tantalum oxide particles at 2θ=22.8° is preferably 160 nm or more. It also relates to a method for producing the tantalum oxide particles, the method including firing a tantalum compound in the presence of a molybdenum compound.

公开(公告)号：US20230097772A1

公开(公告)日：2023-03-30

申请号：US17766712

申请日：2019-10-09

Applicant: DIC Corporation

Inventor： Shaowei Yang ,  Masamichi HAYASHI ,  Hironobu OKI ,  Taro MORIMITSU ,  Jianjun YUAN ,  Yasuto MURATA ,  Cheng LIU ,  Wei ZHAO

IPC: C04B35/117 ,  C04B35/64 ,  C30B29/20 ,  C30B29/22

Abstract: A plate-like alumina particle containing a coloring component is provided. A plate-like alumina particle containing molybdenum, silicon, and a coloring component. A method for manufacturing the plate-like alumina particle, the method including the steps of mixing an aluminum compound containing an aluminum element, a molybdenum compound containing a molybdenum element, silicon or a silicon compound, and a coloring component so as to produce a mixture and calcining the resulting mixture.

公开(公告)号：US20230096825A1

公开(公告)日：2023-03-30

申请号：US17766716

申请日：2019-10-09

Applicant: DIC Corporation

Inventor： Shaowei Yang ,  Tomoki DOHI ,  Hironobu OKI ,  Jianjun YUAN ,  Cheng LIU ,  Meng LI ,  Wei ZHAO

IPC: C01F7/30 ,  C01F7/442 ,  C08K7/24

Abstract: A plate-like alumina particle, in which a ratio I (006)/I (113) of a peak intensity 1(006) at 20=41.6±0.3 degrees which corresponds to a (006) face to a peak intensity I(113) at 20=43.3±0.3 degrees which corresponds to a (113) face of diffraction peaks obtained by X-ray diffraction measurement using a Cu—Kα ray, is 0.2 or more. A method for manufacturing the plate-like alumina particle including mixing an aluminum compound including an aluminum element, a molybdenum compound including a molybdenum element, and a shape-controlling agent to produce a mixture and firing the mixture.