ClassID:

84998

C01B33/128 - CPC Classification

Classification description:

Silicon; Compounds thereof; Silicon oxides; Hydrates thereof; Silica; Hydrates thereof, e.g. lepidoic silicic acid; Preparation of silica of undetermined type by acidic treatment of aqueous silicate solutions

Recent Application in this class:
#1
20250236525
2025-07-24

METHOD FOR MANUFACTURE OF MESOPOROUS SILICA IN THE PRESENCE OF THERMALLY EXPANDABLE MICROCELLS

#2
20240158244
2024-05-16

PROCESS FOR THE PREPARATION OF SILICATE FROM A PLANT ASH COMPRISING CRYSTALLINE SILICA USING A SALT CONTAINING A MULTIVALENT ANION

#3
20220411274
2022-12-29

Method for manufacture of mesoporous silica in the presence of water-soluble ODSO

#4
20220396489
2022-12-15

Method for manufacture of mesoporous silica in the presence of thermally expandable microcells

#5
20220267159
2022-08-25

Method for stepwise extraction of silica and hydroxide from silicate substances

#6
20210370233
2021-12-02

Multistage mineral carbonation

#7
20180141820
2018-05-24

Silica-based spherical particulates and methods of preparing the same

#8
20180111835
2018-04-26

Method for the production of amorphous silica with controlled specific surface area from magnesium silicate ore

#9
20170275772
2017-09-28

Process for the treatment of end-of-life cathode-ray tubes

#10
20160214865
2016-07-28

Continuous silica production process and silica product prepared from same

#11
20160207785
2016-07-21

Method for the separation of metal ions that are divalent or higher from strong acids or highly acidic media

#12
20160101977
2016-04-14

METHOD AND APPARATUS FOR CAPTURING AND SEQUESTERING CARBON

#13
20160068664
2016-03-10

Silica sol and silica-containing epoxy resin composition

#14
20150266743
2015-09-24

Process for preparing precipitated silica

#15
20150266742
2015-09-24

Process for preparing precipitated silicas

#16
20150247022
2015-09-03

Method for preparing precipitated silicas, novel precipitated silicas and their uses, in particular for strengthening polymers

#17
20150246818
2015-09-03

Rapidly dissolvable nanoparticles

#18
20150210826
2015-07-30

Method for preparing precipitated silicas, novel precipitated silicas and their uses, in particular for strengthening polymers

#19
20150210555
2015-07-30

Process for preparing precipitated silicas

#20
20150132209
2015-05-14

Process for preparing precipitated silica comprising a membrane concentration step

#21
20150125376
2015-05-07

Production of precipitated silica employing a fast blender

#22
20150110700
2015-04-23

Process for preparing precipitated silica using a mixer or extruder

#23
20150037235
2015-02-05

Process for preparing precipitated silica

#24
20150030519
2015-01-29

Process for preparing precipitated silica

#25
20150030518
2015-01-29

Process for preparing precipitated silica having specific morphology, particle size and porosity

#26
20140295165
2014-10-02

High porosity mesoporous siliceous structures

#27
20140238263
2014-08-28

Superhydrophobic coatings and methods for their preparation

#28
20140141163
2014-05-22

Method of synthesizing hollow silica from sodium silicate

#29
20140079620
2014-03-20

METHOD FOR THE SEPARATION OF METAL IONS THAT ARE DIVALENT OR HIGHER FROM STRONG ACIDS OR HIGHLY ACIDIC MEDIA

#30
20130171051
2013-07-04

Precipitated silica production process

#31
20120021966
2012-01-26

Silicas and alkali metal salt compositions, detergents formed from such compositions and method of forming such compositions and detergents

#32
20110206746
2011-08-25

Continuous silica production process and silica product prepared from same

#33
20110129401
2011-06-02

PRODUCTION OF PRECIPITATED SILICA EMPLOYING A FAST BLENDER

#34
20100331177
2010-12-30

AMORPHOUS SILICA PARTICLES HAVING HIGH ABSORBING CAPABILITIES AND HIGH STRUCTURAL CHARACTERISTICS

#35
20100284884
2010-11-11

METHOD FOR MAKING COLLOIDAL SILICA PARTICLES

#36
20080153694
2008-06-26

Amorphous Silica Particles Having High Absorbing Capabilities and High Structural Characteristics

#37
20070224133
2007-09-27

High-cleaning silica materials made via product morphology control under high shear conditions

#38
20060008402
2006-01-12

Method for preparing activated silica for water treatment

#39
15977918
2020-08-18

Demulsification compound and method for oil separation from waste streams