ClassID:

85033

C01B33/187 - 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 acidic treatment of silicates

Sub-classes:
Recent Application in this class:
#1
20260048992
2026-02-19

PRECIPITATED SILICA

#2
20250197226
2025-06-19

METHOD FOR PRODUCING SPHERICAL SILICA PARTICLES

#3
20240140810
2024-05-02

PROCESS FOR PREPARING A SILICATE FROM A PLANT ASH COMPRISING CRISTOBALITE USING A SALT CONTAINING A SULFUR OXYANION

#4
20240116765
2024-04-11

SILICON OXIDE-BASED NEGATIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY, METHOD OF PRODUCING SILICON OXIDE-BASED NEGATIVE ELECTRODE ACTIVE MATERIAL, AND NEGATIVE ELECTRODE FOR SECONDARY BATTERY INCLUDING SILICON OXIDE-BASED NEGATIVE ELECTRODE ACTIVE MATERIAL

#5
20240076591
2024-03-07

FUNCTIONALIZED MACROPARTICLES OF MESOPOROUS SILICA FOR PROTEIN STABILIZATION AND METAL REMOVAL FROM A BEVERAGE

#6
20240051835
2024-02-15

AMORPHOUS NON-POROUS SILICAS

#7
20210309529
2021-10-07

Spherical stannous compatible silica particles for reduced RDA

#8
20210054563
2021-02-25

FIBER COMPLEXES AND PROCESSES FOR PREPARING THEM

#9
20200131044
2020-04-30

Silica particles

#10
20190001308
2019-01-03

Method for the production of new nanomaterials

#11
20170051154
2017-02-23

Process for the preparation of precipitated silicas, precipitated silicas and their uses, in particular for the reinforcement of polymers

#12
20170051126
2017-02-23

Process for the preparation of precipitated silicas, precipitated silicas and their uses, in particular for the reinforcement of polymers

#13
20160304987
2016-10-20

Processes for preparing alumina and various other products

#14
20160214865
2016-07-28

Continuous silica production process and silica product prepared from same

#15
20150246818
2015-09-03

Rapidly dissolvable nanoparticles

#16
20150132577
2015-05-14

Precipitated silica and paper industry/other applications thereof

#17
20150086463
2015-03-26

Continuous silica production process and silica product prepared from same

#18
20150078979
2015-03-19

Process for preparing precipitated silica comprising a step of high temperature spalling

#19
20140072634
2014-03-13

Continuous silica production process and silica product prepared from same

#20
20140030180
2014-01-30

Manufacture of crystallite particles

#21
20140004306
2014-01-02

Manufacture of structures comprising silicon dioxide on a surface

#22
20130183232
2013-07-18

Glycoxy silanes as a source of silica and silicate precipitates

#23
20130165608
2013-06-27

Metal oxide or semimetal oxide spherical beads, a process for making, and a process for using

#24
20130156674
2013-06-20

Method for preparing precipitated silicas containing aluminium

#25
20130036946
2013-02-14

Silica particle manufacturing process

#26
20120329937
2012-12-27

PRECIPITATED SILICA

#27
20120288714
2012-11-15

Method for making high purity metal oxide particles and materials made thereof

#28
20120208024
2012-08-16

Method for making high purity metal oxide particles and materials made thereof

#29
20120202914
2012-08-09

Matting agent for UV varnishes

#30
20120010379
2012-01-12

CATALYST CARRIER BASED ON SILICA GEL

#31
20110277666
2011-11-17

Use of self-assembled nanoporous glass colloids for prolongation of plasticity of polymeric materials

#32
20110206749
2011-08-25

SILICA MATERIALS FOR REDUCING ORAL MALADOR

#33
20110206746
2011-08-25

Continuous silica production process and silica product prepared from same

#34
20110195011
2011-08-11

Method for making high purity metal oxide particles and materials made thereof

#35
20100158782
2010-06-24

Magnesiothermic methods of producing high-purity silicon

#36
20100083876
2010-04-08

PRECIPITATED SILICA AND PAPER INDUSTRY/OTHER APPLICATIONS THEREOF

#37
20090301352
2009-12-10

Production of carbonate-containing compositions from material comprising metal silicates

#38
20090263657
2009-10-22

Process for production of precipitated silica from olivine

#39
20090214416
2009-08-27

PROCESS FOR PREPARING A METAL HYDROXIDE

#40
20090004089
2009-01-01

Silica gel manufacturing method and gels made thereby

#41
12229001
2019-10-29

Synthesis of mesoporous silica shapes using sodium silicate as a silica source