Purification

Industry

CPC
C01B33/037

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Parent Industries

CCHEMISTRY METALLURGY C01Inorganic chemistry C01BNON-METALLIC ELEMENTS COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C C01B33/00Silicon Compounds thereof

Current Industry

C01B33/037Purification

Industries

Patents Grantslast 30 patents

Information Patent Grant
Method for producing technical silicon
- Patent number 12,157,671
- Issue date Dec 3, 2024
- Wacker Chemie AG
- Karl-Heinz Rimboeck
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for producing technical silicon
- Patent number 12,110,232
- Issue date Oct 8, 2024
- Wacker Chemie AG
- Karl-Heinz Rimboeck
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Washing method, manufacturing method, and washing device for polycr...
- Patent number 12,091,645
- Issue date Sep 17, 2024
- Tokuyama Corporation
- Hiroyuki Tasaki
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Processes to fabricate porous silicon and its use as feedstock for...
- Patent number 12,080,875
- Issue date Sep 3, 2024
- Navitas Systems, LLC
- Peter Aurora
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Etching device for silicon core wire and etching method for silicon...
- Patent number 11,998,955
- Issue date Jun 4, 2024
- Tokuyama Corporation
- Junya Sakai
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of producing guest-free silicon clathrate, apparatus for pro...
- Patent number 11,955,628
- Issue date Apr 9, 2024
- Toyota Jidosha Kabushiki Kaisha
- Nobuhira Abe
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Hood for Si-metal tapping
- Patent number 11,874,064
- Issue date Jan 16, 2024
- Wacker Chemie AG
- Evangelos Bertakis
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for removing phosphorus and boron impurity from industrial s...
- Patent number 11,807,538
- Issue date Nov 7, 2023
- CHENGDU UNIVERSITY OF TECHNOLOGY
- Dawei Luo
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Methods of recycling silicon swarf into electronic grade polysilico...
- Patent number 11,791,435
- Issue date Oct 17, 2023
- Maxeon Solar Pte. Ltd.
- Moon Chun
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Methods of recycling silicon swarf into electronic grade polysilico...
- Patent number 11,784,276
- Issue date Oct 10, 2023
- SunPower Corporation
- Moon Chun
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the production of commercial grade silicon
- Patent number 11,780,734
- Issue date Oct 10, 2023
- Norwegian University of Science and Technology (NTNU)
- Jafar Safarian
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of classifying metallurgical silicon
- Patent number 11,691,884
- Issue date Jul 4, 2023
- Wacker Chemie AG
- Karl-Heinz Rimboeck
- G01 - MEASURING TESTING
Information Patent Grant
Method for treating pourable, inorganic grain, and rotary tube suit...
- Patent number 11,674,755
- Issue date Jun 13, 2023
- Heraeus Quarzglas GmbH & Co. KG
- Matthias Söhn
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Carbon negative clean fuel production system
- Patent number 11,655,803
- Issue date May 23, 2023
- LOWRY INHERITORS TRUST
- Scott D. Lowry
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Production method for producing silicon clathrate II
- Patent number 11,600,817
- Issue date Mar 7, 2023
- Kabushiki Kaisha Toyota Jidoshokki
- Masanori Harata
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Crushed polycrystalline silicon lumps and method for producing same
- Patent number 11,498,840
- Issue date Nov 15, 2022
- Tokuyama Corporation
- Shigeki Nishimura
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Systems and methods for producing high-purity fine powders
- Patent number 11,498,839
- Issue date Nov 15, 2022
- GM Global Technology Operations LLC
- Mahmoud Abd Elhamid
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
System and method for producing silicon-containing product by utili...
- Patent number 11,440,805
- Issue date Sep 13, 2022
- Xi Chu
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing polycrystalline silicon mass
- Patent number 11,440,804
- Issue date Sep 13, 2022
- Shin-Etsu Chemical Co., Ltd.
- Shigeyoshi Netsu
- C30 - CRYSTAL GROWTH
Information Patent Grant
Silicon powder for use in anodes for lithium-ion batteries and meth...
- Patent number 11,322,741
- Issue date May 3, 2022
- Elkem ASA
- Jarl Erik Morsund Flatoy
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polycrystalline silicon rod and method for producing single crystal...
- Patent number 10,914,021
- Issue date Feb 9, 2021
- Shin-Etsu Chemical Co., Ltd.
- Shuichi Miyao
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Negative electrode active material for secondary battery and prepar...
- Patent number 10,892,478
- Issue date Jan 12, 2021
- Iljin Electric Co., Ltd.
- Cheol Ho Park
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of purifying aluminum and use of purified aluminum to purify...
- Patent number 10,773,963
- Issue date Sep 15, 2020
- Silicor Materials Inc.
- Alain Turenne
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
System for producing high-purity granular silicon
- Patent number 10,576,438
- Issue date Mar 3, 2020
- Xi Chu
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Mechanochemical functionalization of silicon
- Patent number 10,434,570
- Issue date Oct 8, 2019
- Nanostar, Inc.
- Jonathan Goodman
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
System for reducing agglomeration during annealing of flowable, fin...
- Patent number 10,407,310
- Issue date Sep 10, 2019
- REC Silicon Inc.
- Robert J. Geertsen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Recovery of valuable or toxic metals from silicon solar cells
- Patent number 10,385,421
- Issue date Aug 20, 2019
- Arizona Board of Regents on behalf of Arizona State University
- Meng Tao
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Silicon refining device
- Patent number 10,370,253
- Issue date Aug 6, 2019
- Silicio Ferrosolar S.L.
- Yutaka Kishida
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of determining a concentration of a material not dissolved b...
- Patent number 10,345,211
- Issue date Jul 9, 2019
- HEMLOCK SEMICONDUCTOR OPERATIONS LLC
- John W. Hadd
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Apparatus and method for classifying and dedusting granular polysil...
- Patent number 10,335,832
- Issue date Jul 2, 2019
- Wacker Chemie AG
- Michael Fricke
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF RECYCLING SILICON WASTEWATER AND METHOD OF MANUFACTURING...
- Publication number 20240400398
- Publication date Dec 5, 2024
- Samsung Electronics Co., Ltd.
- Myungbeom PARK
- C01 - INORGANIC CHEMISTRY
Information Patent Application
CLEANING BASKET
- Publication number 20240332038
- Publication date Oct 3, 2024
- Tokuyama Corporation
- Koki ICHITSUBO
- B08 - CLEANING
Information Patent Application
APPARATUS AND METHOD FOR PRODUCING 3N OR HIGHER PURITY SILICON BY P...
- Publication number 20240308857
- Publication date Sep 19, 2024
- HPQ Silicium Inc.
- Jed KRAIEM
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD OF PRODUCING GUEST-FREE SILICON CLATHRATE, APPARATUS FOR PRO...
- Publication number 20240250253
- Publication date Jul 25, 2024
- Toyota Jidosha Kabushiki Kaisha
- Nobuhira ABE
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR OBTAINING PURIFIED SILICON METAL
- Publication number 20240208829
- Publication date Jun 27, 2024
- FERROGLOBE INNOVATION, S.L.
- José Manuel MIGUEZ
- C01 - INORGANIC CHEMISTRY
Information Patent Application
BULK CRYSTALLINE 4H-SILICON THROUGH A METASTABLE ALLOTROPIC TRANSITION
- Publication number 20230373794
- Publication date Nov 23, 2023
- CARNEGIE INSTITUTION OF WASHINGTON
- Timothy STROBEL
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR REMOVING PHOSPHORUS AND BORON IMPURITY FROM INDUSTRIAL S...
- Publication number 20230348282
- Publication date Nov 2, 2023
- Chengdu University of Technology
- Dawei LUO
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Carbon negative clean fuel production system
- Publication number 20230323866
- Publication date Oct 12, 2023
- Lowry Inheritors Trust
- Scott D. Lowry
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
CRUSHED POLYCRYSTALLINE SILICON LUMPS AND METHOD FOR PRODUCING SAME
- Publication number 20230294996
- Publication date Sep 21, 2023
- Tokuyama Corporation
- Manabu Sakida
- C01 - INORGANIC CHEMISTRY
Information Patent Application
SUPERHARD CONSTRUCTIONS AND METHODS OF MAKING SAME
- Publication number 20230202847
- Publication date Jun 29, 2023
- Element Six (UK) Limited
- Rachael Fiona AMBURY
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method, Apparatus, and System for Producing Silicon-Containing Prod...
- Publication number 20230174382
- Publication date Jun 8, 2023
- Xi Chu
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR MANUFACTURING POROUS SILICON AND SECONDARY BATTERY ANODE...
- Publication number 20230142512
- Publication date May 11, 2023
- DONG-A UNIVERSITY RESEARCH FOUNDATION FOR INDUSTRY ACADEMY COOPERATION
- Jung Kyoo LEE
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHODS OF RECYCLING SILICON SWARF INTO ELECTRONIC GRADE POLYSILICO...
- Publication number 20230136895
- Publication date May 4, 2023
- SunPower Corporation
- Moon Chun
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF PRODUCING GUEST-FREE SILICON CLATHRATE, APPARATUS FOR PRO...
- Publication number 20220393159
- Publication date Dec 8, 2022
- Toyota Jidosha Kabushiki Kaisha
- Nobuhira ABE
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR REFINING CRUDE SILICON MELTS USING A PARTICULATE MEDIATOR
- Publication number 20220219994
- Publication date Jul 14, 2022
- Wacker Chemie AG
- Karl-Heinz Rimböck
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR REFINING CRUDE SILICON MELTS USING A PARTICULATE MEDIATOR
- Publication number 20220212937
- Publication date Jul 7, 2022
- Wacker Chemie AG
- Karl-Heinz Rimböck
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING TECHNICAL SILICON
- Publication number 20220162078
- Publication date May 26, 2022
- Wacker Chemie AG
- Karl-Heinz RIMBOECK
- C01 - INORGANIC CHEMISTRY
Information Patent Application
COUPLED PRODUCTION OF HIGH PURITY SILICON AND ALUMINA
- Publication number 20220073361
- Publication date Mar 10, 2022
- SIQAL UG (HAFTUNGSBESCHRÄNKT)
- Til BARTEL
- C01 - INORGANIC CHEMISTRY
Information Patent Application
SYSTEMS AND METHODS FOR PRODUCING HIGH-PURITY FINE POWDERS
- Publication number 20210316996
- Publication date Oct 14, 2021
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Mahmoud Abd Elhamid
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Silicon Fine Particles and Method for Producing the Same
- Publication number 20210284541
- Publication date Sep 16, 2021
- Tokuyama Corporation
- Naoto MOCHIZUKJ
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TREATMENT PROCESS FOR RECYCLING SILICON INGOT CUTTING WASTE
- Publication number 20210253435
- Publication date Aug 19, 2021
- Rosi
- Yun Luo
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Carbon negative clean fuel production system
- Publication number 20210254606
- Publication date Aug 19, 2021
- Lowry Inheritors Trust
- Scott D. Lowry
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING ELEMENTAL SILICON
- Publication number 20210246036
- Publication date Aug 12, 2021
- SOLAR SILICON GMBH
- Martin HANDL
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESSES TO FABRICATE POROUS SILICON AND ITS USE AS FEEDSTOCK FOR...
- Publication number 20210167360
- Publication date Jun 3, 2021
- Navitas Systems, LLC
- Peter Aurora
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD AND APPARATUS FOR REMOVAL OF SURFACE CARBON FROM POLYSILICON
- Publication number 20210114885
- Publication date Apr 22, 2021
- Hemlock Semiconductor Operations LLC
- James J. Mueller
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Crushed Polycrystalline Silicon Lumps and Method for Producing Same
- Publication number 20210114884
- Publication date Apr 22, 2021
- Tokuyama Corporation
- Shigeki Nishimura
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
Method, Apparatus, and System for Producing Silicon-Containing Prod...
- Publication number 20210107799
- Publication date Apr 15, 2021
- Xi Chu
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHODS OF RECYCLING SILICON SWARF INTO ELECTRONIC GRADE POLYSILICO...
- Publication number 20210104643
- Publication date Apr 8, 2021
- SunPower Corporation
- Moon Chun
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF CLASSIFYING METALLURGICAL SILICON
- Publication number 20210087066
- Publication date Mar 25, 2021
- Wacker Chemie AG
- Karl-Heinz RIMBOECK
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PRODUCTION METHOD FOR PRODUCING SILICON CLATHRATE II
- Publication number 20210066714
- Publication date Mar 4, 2021
- KABUSHIKI KAISHA TOYOTA JIDOSHOKI
- Masanori HARATA
- C01 - INORGANIC CHEMISTRY

Purification

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for producing technical silicon

Method for producing technical silicon

Washing method, manufacturing method, and washing device for polycr...

Processes to fabricate porous silicon and its use as feedstock for...

Etching device for silicon core wire and etching method for silicon...

Method of producing guest-free silicon clathrate, apparatus for pro...

Hood for Si-metal tapping

Method for removing phosphorus and boron impurity from industrial s...

Methods of recycling silicon swarf into electronic grade polysilico...

Methods of recycling silicon swarf into electronic grade polysilico...

Process for the production of commercial grade silicon

Method of classifying metallurgical silicon

Method for treating pourable, inorganic grain, and rotary tube suit...

Carbon negative clean fuel production system

Production method for producing silicon clathrate II

Crushed polycrystalline silicon lumps and method for producing same

Systems and methods for producing high-purity fine powders

System and method for producing silicon-containing product by utili...

Process for producing polycrystalline silicon mass

Silicon powder for use in anodes for lithium-ion batteries and meth...

Polycrystalline silicon rod and method for producing single crystal...

Negative electrode active material for secondary battery and prepar...

Method of purifying aluminum and use of purified aluminum to purify...

System for producing high-purity granular silicon

Mechanochemical functionalization of silicon

System for reducing agglomeration during annealing of flowable, fin...

Recovery of valuable or toxic metals from silicon solar cells

Silicon refining device

Method of determining a concentration of a material not dissolved b...

Apparatus and method for classifying and dedusting granular polysil...

Patents Applicationslast 30 patents

METHOD OF RECYCLING SILICON WASTEWATER AND METHOD OF MANUFACTURING...

CLEANING BASKET

APPARATUS AND METHOD FOR PRODUCING 3N OR HIGHER PURITY SILICON BY P...

METHOD OF PRODUCING GUEST-FREE SILICON CLATHRATE, APPARATUS FOR PRO...

METHOD FOR OBTAINING PURIFIED SILICON METAL

BULK CRYSTALLINE 4H-SILICON THROUGH A METASTABLE ALLOTROPIC TRANSITION

METHOD FOR REMOVING PHOSPHORUS AND BORON IMPURITY FROM INDUSTRIAL S...

Carbon negative clean fuel production system

CRUSHED POLYCRYSTALLINE SILICON LUMPS AND METHOD FOR PRODUCING SAME

SUPERHARD CONSTRUCTIONS AND METHODS OF MAKING SAME

Method, Apparatus, and System for Producing Silicon-Containing Prod...

METHOD FOR MANUFACTURING POROUS SILICON AND SECONDARY BATTERY ANODE...

METHODS OF RECYCLING SILICON SWARF INTO ELECTRONIC GRADE POLYSILICO...

METHOD OF PRODUCING GUEST-FREE SILICON CLATHRATE, APPARATUS FOR PRO...

METHOD FOR REFINING CRUDE SILICON MELTS USING A PARTICULATE MEDIATOR

METHOD FOR REFINING CRUDE SILICON MELTS USING A PARTICULATE MEDIATOR

METHOD FOR PRODUCING TECHNICAL SILICON

COUPLED PRODUCTION OF HIGH PURITY SILICON AND ALUMINA

SYSTEMS AND METHODS FOR PRODUCING HIGH-PURITY FINE POWDERS

Silicon Fine Particles and Method for Producing the Same

TREATMENT PROCESS FOR RECYCLING SILICON INGOT CUTTING WASTE

Carbon negative clean fuel production system

METHOD FOR PRODUCING ELEMENTAL SILICON

PROCESSES TO FABRICATE POROUS SILICON AND ITS USE AS FEEDSTOCK FOR...

METHOD AND APPARATUS FOR REMOVAL OF SURFACE CARBON FROM POLYSILICON

Crushed Polycrystalline Silicon Lumps and Method for Producing Same

Method, Apparatus, and System for Producing Silicon-Containing Prod...

METHODS OF RECYCLING SILICON SWARF INTO ELECTRONIC GRADE POLYSILICO...

METHOD OF CLASSIFYING METALLURGICAL SILICON

PRODUCTION METHOD FOR PRODUCING SILICON CLATHRATE II