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Dephosphorising or desulfurising
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CPC
C21C1/02
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Parent Industries
C
CHEMISTRY METALLURGY
C21
Iron metallurgy
C21C
PROCESSING OF PIG-IRON
C21C1/00
Refining of pig-iron Cast iron
Current Industry
C21C1/02
Dephosphorising or desulfurising
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Patents Grants
last 30 patents
Information
Patent Grant
Method of making steel by deeply dephosphorization in hot metal tan...
Patent number
11,674,192
Issue date
Jun 13, 2023
University of Science and Technology Beijing
Yanling Zhang
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for removing phosphorus from phosphorus-containing substance
Patent number
11,649,514
Issue date
May 16, 2023
JFE Steel Corporation
Kenji Nakase
C21 - METALLURGY OF IRON
Information
Patent Grant
KR desulfurization stirring paddle casting material and preparation...
Patent number
11,267,764
Issue date
Mar 8, 2022
Baoshan Iron & Steel Co., Ltd.
Jingfu Yao
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method of dechromizing molten iron and method of manufacturing phos...
Patent number
11,254,992
Issue date
Feb 22, 2022
Nippon Steel Corporation
Motohiro Sakamoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Molten steel desulfurization method, molten steel secondary refinin...
Patent number
11,035,014
Issue date
Jun 15, 2021
JFE Steel Corporation
Satoshi Kinoshiro
G01 - MEASURING TESTING
Information
Patent Grant
Process for dephosphorization of molten metal during a refining pro...
Patent number
10,822,668
Issue date
Nov 3, 2020
S. A. Lhoist Recherche et Developpement
Michael Nispel
C21 - METALLURGY OF IRON
Information
Patent Grant
Molten steel desulfurization method, molten steel secondary refinin...
Patent number
10,287,644
Issue date
May 14, 2019
JFE Steel Corporation
Satoshi Kinoshiro
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for desulfurizing
Patent number
10,190,183
Issue date
Jan 29, 2019
Almamet GmbH
Frank Herwig
C21 - METALLURGY OF IRON
Information
Patent Grant
Molten iron refining method and device thereof
Patent number
10,077,482
Issue date
Sep 18, 2018
POSCO
Jung Ho Park
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for refining hot metal in converter
Patent number
9,957,581
Issue date
May 1, 2018
JFE Steel Corporation
Kenji Nakase
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for preliminary treatment of molten iron
Patent number
9,920,390
Issue date
Mar 20, 2018
JFE Steel Corporation
Yozo Iwaki
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for preparing low-cost clean steel
Patent number
9,708,676
Issue date
Jul 18, 2017
Fuping Tang
C21 - METALLURGY OF IRON
Information
Patent Grant
Impeller and method of melt-pool processing method using the same
Patent number
9,683,271
Issue date
Jun 20, 2017
Posco
Min Ho Song
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of controlling rotational speed of impeller
Patent number
9,602,042
Issue date
Mar 21, 2017
Nisshin Steel Co., Ltd.
Shintarou Tada
C21 - METALLURGY OF IRON
Information
Patent Grant
Top-blowing lance and method for refining molten iron using the same
Patent number
9,580,764
Issue date
Feb 28, 2017
JFE Steel Corporation
Goro Okuyama
C21 - METALLURGY OF IRON
Information
Patent Grant
Converter steelmaking method
Patent number
9,493,854
Issue date
Nov 15, 2016
JFE Steel Corporation
Yuichi Uchida
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for the production and the purification of molten calcium al...
Patent number
9,382,595
Issue date
Jul 5, 2016
9253-8444 QUEBEC INC.
Ghyslain Dubé
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of refining molten iron
Patent number
9,315,875
Issue date
Apr 19, 2016
JFE Steel Corporation
Shizuhiko Ikeno
C21 - METALLURGY OF IRON
Information
Patent Grant
Agent for treating molten metals, method for the production and use...
Patent number
9,187,792
Issue date
Nov 17, 2015
Alamamet GmbH
Mechthilde Döring-Freissmuth
C21 - METALLURGY OF IRON
Information
Patent Grant
Environmentally friendly flux for molten steel desulfurization
Patent number
9,127,327
Issue date
Sep 8, 2015
Nippon Steel & Sumitomo Metal Corporation
Masamitsu Wakoh
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for desulfurizing hot metal
Patent number
9,068,237
Issue date
Jun 30, 2015
JFE Steel Corporation
Satoshi Kinoshiro
C21 - METALLURGY OF IRON
Information
Patent Grant
Desulfurization puck
Patent number
8,771,399
Issue date
Jul 8, 2014
Magnesium Technologies Corporation
Thomas H. Bieniosek
C21 - METALLURGY OF IRON
Information
Patent Grant
Operation method for mechanically stirring chrome-containing molten...
Patent number
8,753,423
Issue date
Jun 17, 2014
Nisshin Steel Co., Ltd.
Masayuki Sugiura
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for treatment of chrome-containing molten iron and slag
Patent number
8,753,419
Issue date
Jun 17, 2014
Nisshin Steel Co., Ltd.
Takahiro Yoshino
C21 - METALLURGY OF IRON
Information
Patent Grant
Production of stainless steel of AISI 4xx grade ferritic steel in a...
Patent number
7,819,940
Issue date
Oct 26, 2010
SMS Siemag Aktiengesellschaft
Johann Reichel
C21 - METALLURGY OF IRON
Information
Patent Grant
Scrap bale for steel making process
Patent number
7,731,778
Issue date
Jun 8, 2010
Magnesium Technologies Corporation
Thomas H. Bieniosek
C21 - METALLURGY OF IRON
Information
Patent Grant
Production of iron
Patent number
7,691,178
Issue date
Apr 6, 2010
Technological Resources Pty. Limited
Philip James Ions
C21 - METALLURGY OF IRON
Information
Patent Grant
Thermal synthesis production of steel
Patent number
7,238,222
Issue date
Jul 3, 2007
Oren V. Peterson
C21 - METALLURGY OF IRON
Information
Patent Grant
Thermal synthesis production of steel
Patent number
7,220,293
Issue date
May 22, 2007
Oren V. Peterson
C21 - METALLURGY OF IRON
Information
Patent Grant
Reclaimed magnesium desulfurization agent
Patent number
6,989,040
Issue date
Jan 24, 2006
Gerald R. Zebrowski
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
MOLTEN PIG IRON MANUFACTURING METHOD
Publication number
20240368716
Publication date
Nov 7, 2024
NIPPON STEEL CORPORATION
Toshiya HARADA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR DEPHOSPHORIZATION OF MOLTEN IRON
Publication number
20240229177
Publication date
Jul 11, 2024
JFE STEEL CORPORATION
Futoshi OGASAWARA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR OPERATING CONVERTER AND METHOD FOR PRODUCING MOLTEN STEEL
Publication number
20240167112
Publication date
May 23, 2024
JFE STEEL CORPORATION
Shota AMANO
C21 - METALLURGY OF IRON
Information
Patent Application
REFINING METHOD OF MOLTEN IRON AND MANUFACTURING METHOD OF MOLTEN S...
Publication number
20240068060
Publication date
Feb 29, 2024
JFE STEEL CORPORATION
Hidemitsu NEGISHI
C21 - METALLURGY OF IRON
Information
Patent Application
CONVERTER STEELMAKING METHOD
Publication number
20240068061
Publication date
Feb 29, 2024
JFE STEEL CORPORATION
Rei YOKOMORI
C21 - METALLURGY OF IRON
Information
Patent Application
MOLTEN IRON REFINING METHOD
Publication number
20240060149
Publication date
Feb 22, 2024
JFE STEEL CORPORATION
Futoshi OGASAWARA
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESS FOR TREATING MOLTEN IRON
Publication number
20240052443
Publication date
Feb 15, 2024
FOSECO INTERNATIONAL LIMITED
David HRABINA
C21 - METALLURGY OF IRON
Information
Patent Application
PRODUCTION METHOD FOR NON-ORIENTED SILICON STEEL AND NON-ORIENTED S...
Publication number
20240011121
Publication date
Jan 11, 2024
INSTITUTE OF RESEARCH OF IRON AND STEEL, JIANGSU PROVINCE/SHA-STEEL, CO. LTD...
Chongxiang YUE
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD OF MAKING STEEL BY DEEPLY DEPHOSPHORIZATION IN HOT METAL TAN...
Publication number
20230121123
Publication date
Apr 20, 2023
UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
Yanling ZHANG
C21 - METALLURGY OF IRON
Information
Patent Application
MOLTEN IRON DEPHOSPHORIZATION METHOD
Publication number
20220259686
Publication date
Aug 18, 2022
JFE STEEL CORPORATION
Yumi MURAKAMI
C21 - METALLURGY OF IRON
Information
Patent Application
DEVICE AND METHOD FOR CONTINUOUS DESULPHURISATION OF LIQUID HOT METAL
Publication number
20220170122
Publication date
Jun 2, 2022
TATA STEEL NEDERLAND TECHNOLOGY BV
Ali EMAMI
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR REMOVING PHOSPHORUS FROM PHOSPHORUS-CONTAINING SUBSTANCE
Publication number
20210071274
Publication date
Mar 11, 2021
JFE STEEL CORPORATION
Kenji Nakase
C21 - METALLURGY OF IRON
Information
Patent Application
KR DESULFURIZATION STIRRING PADDLE CASTING MATERIAL AND PREPARATION...
Publication number
20200308065
Publication date
Oct 1, 2020
Baoshan Iron & Steel Co., Ltd
Jingfu YAO
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
METHOD OF DECHROMIZING MOLTEN IRON AND METHOD OF MANUFACTURING PHOS...
Publication number
20200239973
Publication date
Jul 30, 2020
NIPPON STEEL CORPORATION
Motohiro SAKAMOTO
C21 - METALLURGY OF IRON
Information
Patent Application
Process for Dephosphorization of Molten Metal During a Refining Pro...
Publication number
20170349959
Publication date
Dec 7, 2017
S. A. Lhoist Recherche et Developpement
Michael Nispel
C21 - METALLURGY OF IRON
Information
Patent Application
Method for Desulfurizing
Publication number
20170218469
Publication date
Aug 3, 2017
Almanet GMBH
Frank Herwig
C21 - METALLURGY OF IRON
Information
Patent Application
MOLTEN IRON REFINING METHOD AND DEVICE THEREOF
Publication number
20160186277
Publication date
Jun 30, 2016
POSCO
Jung Ho PARK
C21 - METALLURGY OF IRON
Information
Patent Application
IMPELLER AND METHOD OF MELT-POOL PROCESSING METHOD USING THE SAME
Publication number
20150267270
Publication date
Sep 24, 2015
POSCO
Min Ho Song
C21 - METALLURGY OF IRON
Information
Patent Application
AGENT FOR TREATING MOLTEN METALS, METHOD FOR THE PRODUCTION AND USE...
Publication number
20150033911
Publication date
Feb 5, 2015
Almamet Gmbh
Mechthilde Döring-Freissmuth
C21 - METALLURGY OF IRON
Information
Patent Application
Desulfurization Agent Containing Bitumen, Method for the Production...
Publication number
20150027274
Publication date
Jan 29, 2015
Frank Herwig
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRELIMINARY TREATMENT OF MOLTEN IRON
Publication number
20150000470
Publication date
Jan 1, 2015
JFE STEEL CORPORATION
Yozo Iwaki
C21 - METALLURGY OF IRON
Information
Patent Application
CONVERTER STEELMAKING METHOD
Publication number
20140311295
Publication date
Oct 23, 2014
Yuichi Uchida
C21 - METALLURGY OF IRON
Information
Patent Application
TOP-BLOWING LANCE AND METHOD FOR REFINING MOLTEN IRON USING THE SAME
Publication number
20140298955
Publication date
Oct 9, 2014
Goro Okuyama
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR THE PRODUCTION AND THE PURIFICATION OF MOLTEN CALCIUM AL...
Publication number
20140224069
Publication date
Aug 14, 2014
9255-8444 QUEBEC INC. dba METKEM INNOVATION
Ghyslain Dubé
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD AND APPARATUS FOR DEPHOSPHORISING LIQUID HOT METAL SUCH AS L...
Publication number
20140190312
Publication date
Jul 10, 2014
TATA STEEL UK LTD
Maurice Stuart Millman
C21 - METALLURGY OF IRON
Information
Patent Application
MOLTEN STEEL DESULFURIZATION METHOD, MOLTEN STEEL SECONDARY REFININ...
Publication number
20140096643
Publication date
Apr 10, 2014
JFE STEEL CORPORATION
Satoshi Kinoshiro
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR DESULFURIZING HOT METAL
Publication number
20140083251
Publication date
Mar 27, 2014
JFE STEEL CORPORATION
Satoshi Kinoshiro
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF REFINING MOLTEN IRON
Publication number
20140069235
Publication date
Mar 13, 2014
JFE STEEL CORPORATION
Shizuhiko Ikeno
C21 - METALLURGY OF IRON
Information
Patent Application
ENVIRONMENTALLY FRIENDLY FLUX FOR MOLTEN STEEL DESULFURIZATION
Publication number
20130333518
Publication date
Dec 19, 2013
Masamitsu Wakoh
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF CONTROLLING ROTATIONAL SPEED OF IMPELLER
Publication number
20130333521
Publication date
Dec 19, 2013
Shintarou Tada
C21 - METALLURGY OF IRON