C01B33/025 - CPC Classification Index

#1

20260054997

2026-02-26

PRODUCTION OF HIGH PURITY SILICON AND SILICON CARBIDE FROM THERMO-CHEMICALLY TREATED ORGANIC BIO-SILICA AND CARBON BLACK GRANULES

#2

20260015244

2026-01-15

Refining Process for Producing Solar Silicon, Silicon Carbide, High-Purity Graphite, and Hollow Silica Microspheres

#3

20240327229

2024-10-03

NANOSTRUCTURED SILICON CARBONACEOUS COMPOSITE MATERIAL AND METHODS FOR PRODUCING THE SAME

#4

20240266495

2024-08-08

A Porous Silicon-Carbon Anode Electrode Material, a Preparation Method and an Application

#5

20240253996

2024-08-01

APPARATUS AND METHOD FOR PRODUCING SILICON BY CARBOREDUCTION

#6

20240250240

2024-07-25

ANODE ACTIVE MATERIAL, ANODE COMPRISING THE SAME, SECONDARY BATTERY COMPRISING THE ANODE, AND METHOD FOR PREPARING THE SAME

#7

20240246827

2024-07-25

Porous silicon material and method of manufacture

#8

20240190711

2024-06-13

SILICA MATERIAL AND METHOD OF MANUFACTURE AND SILICON DERIVED THEREFROM

#9

20240150931

2024-05-09

LARGE DIAMETER SILICON CARBIDE SINGLE CRYSTALS AND APPARATUS AND METHOD OF MANUFACTURE THEREOF

#10

20240067528

2024-02-29

APPARATUS FOR PRODUCING REDUCED SILICON NANOPOWDER USING LASER

#11

20240010501

2024-01-11

Recycling of materials containing organosilicon compounds

#12

20230286808

2023-09-14

SILICON CARBON COMPOSITE MATERIAL AND PREPARATION METHOD AND APPLICATION THEREOF

#13

20230234854

2023-07-27

SILICA MATERIAL AND METHOD OF MANUFACTURE AND SILICON DERIVED THEREFROM

#14

20230227316

2023-07-20

CIRCULAR CARBON PROCESS

#15

20230183076

2023-06-15

Porous silicon material and method of manufacture

#16

20230031372

2023-02-02

SILICA SAND AGGLOMERATES FOR SILICON METAL PRODUCTION AND METHOD OF FORMING THE SAME

#17

20220363550

2022-11-17

SILICA TO HIGH PURITY SILICON PRODUCTION PROCESS

#18

20220275476

2022-09-01

A METHOD FOR PREPARING AN ELEMENTAL MATERIAL BY REDUCTION USING MONOATOMIC CARBON

#19

20220274837

2022-09-01

Refining Process for Producing Solar Silicon, Silicon Carbide, High-Purity Graphite, and Hollow Silica Microspheres

#20

20220250919

2022-08-11

SILICON MATERIAL AND METHOD OF MANUFACTURE

#21

20220169519

2022-06-02

Method for producing technical silicon

#22

20220041454

2022-02-10

Nanostructured silicon carbonaceous composite material and methods for producing the same

#23

20210246036

2021-08-12

METHOD FOR PRODUCING ELEMENTAL SILICON

#24

20210189591

2021-06-24

Large diameter silicon carbide single crystals and apparatus and method of manufacture thereof

#25

20210054831

2021-02-25

Carbon negative clean fuel production system

#26

20200058924

2020-02-20

Compound, preparation method therefore, and use in lithium ion secondary battery

#27

20190372108

2019-12-05

Silicon anode materials

#28

20190323145

2019-10-24

Large diameter silicon carbide single crystals and apparatus and method of manufacture thereof

#29

20180269480

2018-09-20

SILICON-CARBON NANOSTRUCTURED COMPOSITES

#30

20180237306

2018-08-23

Silica to high purity silicon production process

#31

20180178292

2018-06-28

Novel Methods of Metals Processing

#32

20180044186

2018-02-15

Refining process for producing solar silicon, silicon carbide, high-purity graphite and hollow silica microspheres

#33

20170361292

2017-12-21

System for producing high-purity granular silicon

#34

20170321345

2017-11-09

Large Diameter Silicon Carbide Single Crystals and Apparatus and Method of Manufacture Thereof

#35

20170101318

2017-04-13

Method for producing silicon using microwave, and microwave reduction furnace

#36

20160289250

2016-10-06

Bis(trimethylsilyl) six-membered ring systems and related compounds as reducing agents for forming layers on a substrate

#37

20150135770

2015-05-21

Method for producing silicon for solar cells by metallurgical refining process

#38

20150004314

2015-01-01

Bis(trimethylsilyl) six-membered ring systems and related compounds as reducing agents for forming layers on a substrate

#39

20150004090

2015-01-01

METHOD AND APPARATUS FOR PRODUCING SILICON FINE PARTICLES

#40

20140017156

2014-01-16

Method for producing silicon using microwave, and microwave reduction furnace

#41

20130337186

2013-12-19

Method for producing high-purity granular silicon

#42

20130336845

2013-12-19

Reactor for producing high-purity granular silicon

#43

20130015175

2013-01-17

METHOD FOR PRODUCING SILICON

#44

20130004908

2013-01-03

METHOD FOR PRODUCING SILICON AND JIG

#45

20130001816

2013-01-03

METHOD FOR RECOVERING SILICON AND METHOD FOR PRODUCING SILICON

#46

20120302043

2012-11-29

PROCESS FOR DECARBURIZATION OF A SILICON MELT

#47

20120261269

2012-10-18

PROCESS FOR PRODUCTION OF POLYSILICON AND SILICON TETRACHLORIDE

#48

20120230905

2012-09-13

PROCESS FOR PYROLYSIS OF CARBOHYDRATES

#49

20120230904

2012-09-13

PRODUCTION OF HIGH PURITY SILICON FROM AMORPHOUS SILICA

#50

20120211350

2012-08-23

PROCESSES AND APPARATUSES FOR PRODUCING SILICON

#51

20120171848

2012-07-05

Method and System for Manufacturing Silicon and Silicon Carbide

#52

20110262339

2011-10-27

PRODUCTION OF SOLAR-GRADE SILICON FROM SILICON DIOXIDE

#53

20110262336

2011-10-27

PRODUCTION OF SOLAR-GRADE SILICON FROM SILICON DIOXIDE

#54

20110243826

2011-10-06

Method and System for Manufacturing Silicon and Silicon Carbide

#55

20110236291

2011-09-29

SYSTEM FOR PRODUCING SILICON WITH IMPROVED RESOURCE UTILIZATION

#56

20110212011

2011-09-01

Reactor and method for producing high-purity granular silicon

#57

20110206592

2011-08-25

Low cost routes to high purity silicon and derivatives thereof

#58

20110206591

2011-08-25

Plasma processes for producing silanes and derivatives thereof

#59

20110182796

2011-07-28

METHOD FOR THE PYROLYSIS OF CARBOHYDRATES

#60

20110182795

2011-07-28

REDUCTION OF SILICA

#61

20110176984

2011-07-21

Method for making silicon for solar cells and other applications

#62

20110150741

2011-06-23

PRODUCTION OF SILICON BY REACTING SILICON OXIDE AND SILICON CARBIDE, OPTIONALLY IN THE PRESENCE OF A SECOND CARBON SOURCE

#63

20110097256

2011-04-28

METHOD FOR PREPARING HIGH-PURITY METALLURGICAL-GRADE SILICON

#64

20110052475

2011-03-03

Production of high purity silicon from amorphous silica

#65

20110008236

2011-01-13

High purity silicon-containing products and method of manufacture

#66

20100284887

2010-11-11

METHOD AND DEVICE FOR PRODUCING SILICON

#67

20100233063

2010-09-16

METHOD FOR MANUFACTURING HIGH-PURITY SILICON MATERIAL

#68

20100218644

2010-09-02

Method of Producing Metals and Alloys by Carbothermal Reduction of Metal Oxides

#69

20090074647

2009-03-19

System and method for producing solar grade silicon

#70

20080314446

2008-12-25

PROCESSES FOR THE PREPARATION OF SOLAR-GRADE SILICON AND PHOTOVOLTAIC CELLS

#71

20080314445

2008-12-25

METHOD FOR THE PREPARATION OF HIGH PURITY SILICON

#72

20080233035

2008-09-25

Method of selecting silicon having improved performance

#73

20070217988

2007-09-20

Method for making silicon for solar cells and other applications