ClassID:

85027

C01B33/181 - CPC Classification

Classification description:

Silicon; Compounds thereof; Silicon oxides; Hydrates thereof; Silica; Hydrates thereof, e.g. lepidoic silicic acid; Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process

Sub-classes:
Recent Application in this class:
#1
20260125538
2026-05-07

METAL OXIDE PARTICLE MATERIAL, METHOD FOR PRODUCING SAME, SLURRY COMPOSITION, RESIN COMPOSITION, AND FILLER FOR SEALING MATERIAL FOR SEMICONDUCTOR PACKAGE

#2
20260070795
2026-03-12

SPHERICAL SILICA POWDER AND METHOD FOR PRODUCING SPHERICAL SILICA POWDER

#3
20260015244
2026-01-15

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

#4
20250197228
2025-06-19

METHOD FOR SIMULTANEOUSLY PREPARING NANO SPHERICAL OXIDE FILLER AND SUBMICRON SPHERICAL OXIDE FILLER

#5
20240190711
2024-06-13

SILICA MATERIAL AND METHOD OF MANUFACTURE AND SILICON DERIVED THEREFROM

#6
20240182318
2024-06-06

METAL OXIDE POWDER, AND METHOD FOR PRODUCING SAME

#7
20240166526
2024-05-23

SILICA-ALUMINA POWDER, METHOD FOR PRODUCING SILICA-ALUMINA POWDER, FLUID CATALYTIC CRACKING CATALYST AND METHOD FOR PRODUCING SAME

#8
20240128446
2024-04-18

Method of manufacturing anode active material

#9
20240116764
2024-04-11

FUMED SILICA POWDER WITH REDUCED SILANOL GROUP DENSITY

#10
20230234854
2023-07-27

SILICA MATERIAL AND METHOD OF MANUFACTURE AND SILICON DERIVED THEREFROM

#11
20230108010
2023-04-06

PREPARATION METHOD FOR SPHERICAL SILICA POWDER FILLER, POWDER FILLER OBTAINED THEREBY AND USE THEREOF

#12
20230104372
2023-04-06

Method for manufacture of amorphous silica-alumina composition in the presence of ODSO

#13
20230081969
2023-03-16

PREPARATION METHOD FOR SPHERICAL SILICA POWDER FILLER, POWDER FILLER OBTAINED THEREBY AND USE THEREOF

#14
20220372299
2022-11-24

Cristobalite as a Pigment Substitute and as a Composition Enhancing Mineral, Compositions Containing the Same, and Articles and Coatings Prepared with such Compositions

#15
20220274837
2022-09-01

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

#16
20220185683
2022-06-16

Methods for Producing Seed for Growth of Hollow Spheres

#17
20220169832
2022-06-02

Spherical silica powder

#18
20220098502
2022-03-31

Terahertz material for emission reduction and fuel saving of gasoline vehicle and preparation method therefor and application thereof

#19
20210253437
2021-08-19

METHOD FOR PREPARING NEGATIVE ELECTRODE ACTIVE MATERIAL, FOR LITHIUM SECONDARY BATTERY, COMPRISING SILICA-METAL COMPOSITE, AND NEGATIVE ELECTRODE ACTIVE MATERIAL PREPARED THEREBY

#20
20200247679
2020-08-06

Mesoporous silica embedded with alloy particles and preparation method thereof

#21
20200190332
2020-06-18

Electronic material filler, high-frequency substrate, and electronic material slurry

#22
20200189922
2020-06-18

Production method for electronic material filler and production method for electronic material resin composition

#23
20200156934
2020-05-21

Method assisted by a laser and high-intensity electric fields for the synthesis and collection of nanoparticles and the generation of coatings

#24
20190363352
2019-11-28

Silicon nanoparticle-containing hydrogen polysilsesquioxane calcined product, negative electrode active material for lithium ion battery, negative electrode for lithium ion battery and lithium ion battery

#25
20190359637
2019-11-28

Bisaminoalkoxysilane compounds and methods for using same to deposit silicon-containing films

#26
20190338138
2019-11-07

Surface-treated silica filler, and resin composition containing surface-treated silica filler

#27
20190077672
2019-03-14

REDUCING CARBON CONTENT OF SILICON DIOXIDE GRANULATE AND THE PREPARATION OF A QUARTZ GLASS BODY

#28
20180044186
2018-02-15

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

#29
20170267900
2017-09-21

Spherical crystalline silica particles and method for producing same

#30
20170145527
2017-05-25

System and Method for Forming Spherical Silica-Based Proppant and Pig Iron Utilizing Mining Slag

#31
20170136546
2017-05-18

Fine particle production apparatus and fine particle production method

#32
20160237100
2016-08-18

Bisaminoalkoxysilane compounds and methods for using same to deposit silicon-containing films

#33
20160214866
2016-07-28

Ultrahard stishovite nanoparticles and methods of manufacture

#34
20160002055
2016-01-07

SiOx nanoparticle manufacturing apparatus including crucible for silicon melting having sliding type tapping structure and manufacturing method of SiOx nanoparticle using the same

#35
20150321939
2015-11-12

Synthetic amorphous silica powder and method for producing same

#36
20140106231
2014-04-17

Silicon oxide-carbon composite and method of manufacturing the same

#37
20140103253
2014-04-17

Method of manufacturing silicon oxide

#38
20130012623
2013-01-10

Methods and manufactures related to encapsulation of silica aerogel powder

#39
20120321895
2012-12-20

Synthetic amorphous silica powder and method for producing same

#40
20120321894
2012-12-20

Synthetic amorphous silica powder and method for producing same

#41
20120251710
2012-10-04

METHOD OF PRODUCING HIGH PURITY SiOx NANOPARTICLES WITH EXCELLENT VOLATILITY AND APPARATUS FOR PRODUCING THE SAME

#42
20120190537
2012-07-26

CATALYST SUPPORT FROM FLAME-SPRAY PYROLYSIS AND CATALYST FOR AUTOTHERMAL PROPANE DEHYDROGENATION

#43
20110133353
2011-06-09

Method for manufacturing inorganic spheroidized particles

#44
20100314788
2010-12-16

Production of Ultrafine Particles in a Plasma System Having Controlled Pressure Zones

#45
20100222487
2010-09-02

INORGANIC HOLLOW POWDER, PROCESS FOR PRODUCING THE INORGANIC HOLLOW POWDER, AND COMPOSITION COMPRISING THE INORGANIC HOLLOW POWDER

#46
20100204383
2010-08-12

Silica powder, process for its production, and composition employing it

#47
20100192474
2010-08-05

ULTRAHARD STISHOVITE NANOPARTICLES AND METHODS OF MANUFACTURE

#48
20090253851
2009-10-08

Fine dry silica particles

#49
20080286383
2008-11-20

Soluble Biogenic Silica and Application Using Same

#50
20070048206
2007-03-01

Method and apparatus for the production of ultrafine silica particles from solid silica powder and related coating compositions

#51
20060269465
2006-11-30

Hydrophobic fumed silica

#52
20060097419
2006-05-11

Carbon combustion synthesis of oxides