公开(公告)号：US20240081441A1

公开(公告)日：2024-03-14

申请号：US18269626

申请日：2021-12-17

Applicant: ArcelorMittal

Inventor： Abel ALVAREZ-ALVAREZ ,  Alvaro MANJON FERNANDEZ ,  Luis Miguel SANZ MORAL ,  David NORIEGA PEREZ ,  Jorge RODRíGUEZ GARCíA ,  Laura MEGIDO FERNANDEZ ,  Sivasambu BOHM ,  Roberto SUAREZ SANCHEZ ,  Marcos PEREZ RODRIGUEZ

IPC: A41D13/11 ,  A01N25/10 ,  A01N25/28 ,  A01N59/20 ,  A01P1/00 ,  A41D31/30 ,  A62B23/02 ,  B22F1/054 ,  B22F1/103 ,  B22F1/16 ,  D06M11/74 ,  D06M11/83 ,  D06M15/263 ,  D06M15/564 ,  D06M16/00

CPC classification number: A41D13/1192 ,  A01N25/10 ,  A01N25/28 ,  A01N59/20 ,  A01P1/00 ,  A41D31/305 ,  A62B23/025 ,  B22F1/056 ,  B22F1/103 ,  B22F1/16 ,  D06M11/74 ,  D06M11/83 ,  D06M15/263 ,  D06M15/564 ,  D06M16/00 ,  B22F2301/10 ,  B22F2302/25 ,  B22F2304/052 ,  D06M2101/06

Abstract: A first subject of the present invention has an antiviral formulation with metallic copper particles in an unoxidized form and having a median particle diameter inferior or equal to 200 nm, graphene oxide or reduced graphene oxide, and a bonding matrix material. A second subject of the invention has an antiviral filtering material with a layer of textile and at least one layer of an antiviral coating comprising metallic copper particles in an unoxidized form and having a median particle diameter inferior or equal to 200 nm, graphene oxide or reduced graphene oxide, and a bonding matrix into which both metallic copper particles and graphene oxide or reduced graphene oxide are anchored. The invention also concerns methods of preparation of the antiviral formulation and of the antiviral filtering material. Finally, the invention includes an antiviral face mask with a layer of textile coated with the antiviral formulation.

公开(公告)号：US20220234898A1

公开(公告)日：2022-07-28

申请号：US17611277

申请日：2020-05-12

Applicant: ArcelorMittal

Inventor： Thi Tan VU ,  David NORIEGA PEREZ ,  Roberto SUAREZ SANCHEZ

IPC: C01B32/23

Abstract: A method for the manufacture of reduced graphene oxide from kish graphite including: A. The provision of kish graphite, B. Optionally, a pre-treatment of kish graphite, C. The intercalation of kish graphite with a persulfate salt and an acid at room temperature to obtain intercalated kish graphite, D. The expansion of the intercalated kish graphite to obtain expanded kish graphite and E. An oxidation step of the expanded kish graphite to obtain graphene oxide and F. A reduction of graphene oxide into reduced graphene oxide.

公开(公告)号：US20200282454A1

公开(公告)日：2020-09-10

申请号：US16064897

申请日：2016-12-20

Applicant: ArcelorMittal

Inventor： Maria CABANAS CORRALES ,  David NORIEGA PEREZ

IPC: B22D11/124 ,  C21D1/56 ,  C21D1/667 ,  C09K5/10

Abstract: A method of heat treatment of a non-metallic or metallic item is provided. The method includes at least one step of heat transfer between the item and a heat transfer fluid A′. The heat transfer fluid A′ includes a fluid medium and nanoparticles having a lateral size between 26 and 50 μm. The heat transfer fluid has a heat transfer coefficient below the heat transfer coefficient of water.

公开(公告)号：US20180371304A1

公开(公告)日：2018-12-27

申请号：US16064808

申请日：2016-12-20

Applicant: ArcelorMittal

Inventor： Maria CABANAS CORRALES ,  David NORIEGA PEREZ

IPC: C09K5/10 ,  C21D1/667 ,  C21D1/60 ,  B22D11/124

Abstract: A method of heat treatment of a non-metallic or metallic item is provided. The method includes at least one step A) of heat transfer between the item and a heat transfer fluid A′ including a fluid medium and nanoparticles. The heat transfer fluid has a heat transfer coefficient above the heat transfer coefficient of water. The method also includes at least one step B) of heat transfer between the item and a heat transfer fluid B′ including a fluid medium and nanoparticles. The heat transfer fluid B′ has a heat transfer coefficient different from the heat transfer coefficient of A′ and above the heat transfer coefficient of water. The heat transfer fluids A′ and B′ are different.

公开(公告)号：US20240409800A1

公开(公告)日：2024-12-12

申请号：US18701558

申请日：2022-09-01

Applicant: ArcelorMittal

Inventor： Cristina BLANCO ROLDAN ,  Abel ALVAREZ-ALVAREZ ,  David NORIEGA PEREZ ,  Jorge RODRIGUEZ GARCIA ,  Marcos PEREZ RODRIGUEZ ,  Roberto SUAREZ SANCHEZ

IPC: C09K5/14 ,  B32B7/12 ,  B32B9/00 ,  B32B9/04 ,  C04B37/00 ,  H01L23/373

Abstract: A method for manufacturing a heat spreader including the steps of i. depositing an adhesive on a major surface of at least one graphite layer, to obtain at least one graphite layer coated by an adhesive layer, wherein ii. positioning the at least one graphite layer coated by an adhesive layer on top of each other so as to form a first stack of layers alternating graphite layer and adhesive layer iii. positioning a graphite layer having a thickness from 10 to 200 μm, on the first stack of layers so as to form a second stack of layers, having a graphite layer as top and bottom layers iv. compressing the second stack of layer with a pressure from 7 to 20 MPa to form a graphite-based laminate, v. heating the graphite-based laminate such that the solvent of the adhesive is removed.

公开(公告)号：US20220411911A1

公开(公告)日：2022-12-29

申请号：US17771568

申请日：2020-10-29

Applicant: ArcelorMittal

Inventor： Thi Tan VU ,  Laura MEGIDO FERNANDEZ ,  Carlota DOMINGUEZ FERNANDEZ ,  Jorge RODRIGUEZ GARCIA ,  David NORIEGA PEREZ ,  Roberto SUAREZ SANCHEZ ,  Cristina BLANCO ROLDAN

IPC: C23C2/04 ,  C23C2/40 ,  C22C38/40

Abstract: A coated stainless-steel substrate including a coating including nanographites and a binder being sodium silicate, wherein the stainless-steel substrate has the following composition in weight percent: C≤1.2%, Cr≥11.0%, Ni≥8.0% and on a purely optional basis, one or more elements such as Nb≤6.0%, B≤1.0%, Ti≤3.0%, Cu≤5.0%, Co≤3.0%, N≤1.0%, V≤3.0%, Si≤4.0%, Mn≤5.0%, P≤0.5%, S≤0.5%, Mo≤6.0%, Ce≤1.0%, the remainder of the composition being made of iron and inevitable impurities resulting from the elaboration. A method for the manufacture of this coated stainless-steel substrate is also provided.

公开(公告)号：US20200340075A1

公开(公告)日：2020-10-29

申请号：US16764920

申请日：2018-12-11

Applicant: ArcelorMittal

Inventor： Thi Tan VU ,  Marcos PEREZ RODRIGUEZ ,  Carlos LALIENA IRANZO ,  David NORIEGA PEREZ

IPC: C21D9/46 ,  B05D7/14 ,  C21D8/02 ,  C21D6/00 ,  C21D1/70 ,  C22C38/50 ,  C22C38/46 ,  C22C38/44 ,  C22C38/42 ,  C22C38/04 ,  C22C38/02

Abstract: A coated steel substrate including a coating comprising nanographite having a lateral size between 1 and 60 μm and a binder, wherein the steel substrate has the following compositions in weight percent: 0.31≤C≤1.2%, 0.1≤Si≤1.7%, 0.15≤Mn≤1.1%, P≤0.01%, S≤0.1%, Cr≤1.0%, Ni≤1.0%, Mo≤0.1%, and on a purely optional basis, one or more elements such as Nb≤0.05%, B≤0.003%, Ti≤0.06%, Cu≤0.1%, Co≤0.1%, N≤0.01%, V≤0.05%, the remainder of the composition being made of iron and inevitable impurities resulting from the elaboration and a method for the manufacture of the coated steel substrate.

公开(公告)号：US20190002749A1

公开(公告)日：2019-01-03

申请号：US16064720

申请日：2016-12-20

Applicant: ArcelorMittal

Inventor： David NORIEGA PEREZ

IPC: C09K5/10 ,  B22D11/124 ,  C21D1/60

Abstract: A method of heat transfer between a metallic or non-metallic item and a heat transfer fluid is provided. The method includes a fluid medium and nanoparticles. A thickness/lateral size ratio of the nanoparticles is below 0.00044. The nanoparticles do not include carbon nanotubes.

公开(公告)号：US20220250196A1

公开(公告)日：2022-08-11

申请号：US17603423

申请日：2020-04-16

Applicant: ArcelorMittal

Inventor： Alvaro MANJON FERNANDEZ ,  Marcos PEREZ RODRIGUEZ ,  David NORIEGA PEREZ ,  Christina BLANCO ROLDAN ,  Roberto SUAREZ SANCHEZ ,  Sivasambu BOHM

IPC: B23K35/36 ,  B23K35/38 ,  B23K35/32 ,  B23K9/235 ,  B23K9/173 ,  C09D5/08 ,  C09D1/00 ,  B23K9/00

Abstract: A pre-coated steel substrate coated with: —optionally, an anticorrosion coating and —a flux including at least one titanate and at least one nanoparticle chosen from: TiO2, SiO2, Yttria-stabilized zirconia (YSZ), Al2O3, MoO3, CrO3, CeO2 or a mixture thereof, the thickness of the flux being between 30 and 95 μm.

公开(公告)号：US20210214232A1

公开(公告)日：2021-07-15

申请号：US17272779

申请日：2019-07-09

Applicant: ArcelorMittal

Inventor： Thi Tan VU ,  Oscar PEREZ VIDAL ,  Juan Jose ARRIBAS ,  David NORIEGA PEREZ ,  Roberto SUAREZ SANCHEZ

IPC: C01B32/198 ,  B01J21/18

Abstract: A method for the manufacture of microwave-reduced graphene oxide (MW-rGO) including: the provision of graphene oxide (GO), the reduction of GO into reduced graphene oxide (rGO) using a reducing agent and the reduction of rGO into MW-rGO by microwaving under air atmosphere in presence of a catalyst.