ClassID:

95791

C07F7/20 - CPC Classification

Classification description:

Compounds containing elements of Groups 4 or 14 of the Periodic System; Silicon compounds; Compounds having one or more C—Si linkages Purification, separation

Recent Application in this class:
#1
20250387219
2025-12-25

FLUID FOR ACCOMMODATING INTRAOCULAR LENSES

#2
20250276987
2025-09-04

METHOD FOR MANUFACTURING DROMETRIZOLE TRISILOXANE (DMTS)

#3
20250059395
2025-02-20

SURFACTANTS FOR INKS, PAINTS, AND ADHESIVES

#4
20240199515
2024-06-20

ULTRAVIOLET RAY IRRADIATION DEVICE, AND METHOD FOR PURIFYING ORGANIC COMPOUND

#5
20240124653
2024-04-18

PROCESSES FOR MAKING POLYSILOXAZANES AND USING SAME FOR PRODUCING AMINO-FUNCTIONAL POLYORGANOSILOXANES

#6
20230355375
2023-11-09

FLUID FOR ACCOMMODATING INTRAOCULAR LENSES

#7
20230234975
2023-07-27

METHOD FOR PURIFYING ORGANIC COMPOUND AND METHOD FOR PRODUCING ORGANIC COMPOUND

#8
20230103534
2023-04-06

METHOD FOR PRODUCING ORGANIC SILICON COMPOUND HAVING KETIMINE STRUCTURE

#9
20230056138
2023-02-23

Process for synthesizing alkenyl disiloxane

#10
20220411273
2022-12-29

Method for removing an impurity from a chlorosilane mixture

#11
20220017546
2022-01-20

Process for reducing the content of boron compounds in halosilane-containing compositions

#12
20210290371
2021-09-23

Fluid for accommodating intraocular lenses

#13
20210284666
2021-09-16

Method for preparing aminopropylsilanes

#14
20210246313
2021-08-12

Aqueous, storage-stable composition containing N-benzyl-substituted N-(2-aminoethyl)-3-aminopropylsiloxane hydrochlorides, processes for production thereof and use thereof

#15
20210238206
2021-08-05

Production method for organic silicon compound having ketimine structure

#16
20210054003
2021-02-25

Methods for the preparation of cyclopentaoxasilinones and cyclopentaoxaborininones and their use

#17
20200339612
2020-10-29

Method for preparing SiOC-linked polyether siloxanes branched in the siloxane part

#18
20200262849
2020-08-20

High purity trisilylamine, methods of making, and use

#19
20200010490
2020-01-09

Method of stabilizing imino-functional silane

#20
20190352315
2019-11-21

Method for making an organoaminosilane; a method for making a silylamine from the organoaminosilane

#21
20190300553
2019-10-03

Process for preparing isocyanates containing alkoxysilane groups

#22
20190300550
2019-10-03

Process for preparing isocyanates containing alkoxysilane groups

#23
20190112323
2019-04-18

Process for preparing a colourless solution of 3-(N-benzyl-2-aminoethyl)aminopropyltrimethoxy-silane hydrochloride in methanol

#24
20180369747
2018-12-27

Continuous process for cleaning process waste air obtained in the production of silicones

#25
20180334469
2018-11-22

Tris(disilanyl)amine

#26
20180311622
2018-11-01

Purification method for purifying liquid, purification method for purifying silicon compound-containing liquid, method for producing silylating agent liquid, film forming material or diffusing agent composition, filter medium and filter device

#27
20180282353
2018-10-04

Method for preparing aminosilane-based compound

#28
20180258107
2018-09-13

Synthesis of disilanylamines through transamination

#29
20180170950
2018-06-21

Process for separating aluminum chloride from silanes

#30
20180155371
2018-06-07

Process for preparing an acryloyloxysilane

#31
20180134734
2018-05-17

Process for preparing an acryloyloxysilane

#32
20180016287
2018-01-18

Method of stabilizing imino-functional silane

#33
20170355720
2017-12-14

Process for preparing alkoxysilanes

#34
20170247260
2017-08-31

Method for purifying halogenated oligosilanes

#35
20170210766
2017-07-27

Silicon-based cross coupling agents and methods of their use

#36
20170158717
2017-06-08

Aminosilicone solvent recovery methods and systems

#37
20170008914
2017-01-12

Lanthanum compound, method of synthesizing lanthanum compound, lanthanum precursor composition, method of forming thin film, and method of manufacturing integrated circuit device

#38
20160279578
2016-09-29

Process for preparing chemical liquid of silylating agent and surface treatment method

#39
20150376346
2015-12-31

Production method for high-purity organosilicon compound

#40
20150141688
2015-05-21

Purification of chlorosilanes using chromatography

#41
20150126744
2015-05-07

Metal complexes, their application and methods of carrying out of metathesis reaction

#42
20150119596
2015-04-30

Method for refining trimethylsilane

#43
20150087743
2015-03-26

Fluid for accommodating intraocular lenses

#44
20150018502
2015-01-15

Method for ethylene oligomerization

#45
20150011382
2015-01-08

Ligand compound, chromium compound and catalyst system including the same

#46
20140024849
2014-01-23

Dechlorination of alkyl-functional organosilanes and alkyl-functional organosiloxanes

#47
20130225848
2013-08-29

Process for removing an impurity from a siloxane

#48
20130184482
2013-07-18

Process for preparing an acryloyloxysilane

#49
20130060061
2013-03-07

Low-impurity organosilicon product as precursor for CVD

#50
20120285194
2012-11-15

Dry dust removal method in organic chlorosilane production

#51
20120165564
2012-06-28

METHOD FOR PREPARING PURIFIED AMINOSILANE

#52
20120048719
2012-03-01

SILANE DISTILLATION WITH REDUCED ENERGY USE

#53
20110295033
2011-12-01

Low-impurity organosilicon product as precursor for CVD

#54
20110245416
2011-10-06

Thermo- and/or photo-sensitive material and insulator film made thereof

#55
20110208301
2011-08-25

Fluid for accommodating intraocular lenses

#56
20110184205
2011-07-28

Removal of extraneous metals from silicon compounds by adsorption and/or filtration

#57
20110046405
2011-02-24

METHOD FOR THE AQUEOUS TREATMENT OF AN AMINO-FUNCTIONAL ORGANOSILANE CONTAINING AMMONIUM HALIDES AND/OR ORGANIC AMINE HYDROHALIDES

#58
20100224568
2010-09-09

Use of silica for the removal of organosilanes

#59
20100004475
2010-01-07

Process for preparing isocyanatoorganosilanes

#60
20090270646
2009-10-29

METHOD FOR PREPARATION OF ALKOXYSILANES HAVING REDUCED HALIDE

#61
20090069270
2009-03-12

Methods for diluting water-stabilized antimicrobial organosilane compositions

#62
20090026062
2009-01-29

Separation of chlorosilanes

#63
20080188679
2008-08-07

Method Of Purifying Organosilicon Compositions Used As Precursors In Chemical Vapor Desposition

#64
20080119627
2008-05-22

METHODS FOR PURIFYING SILOXANYL MONOMERS

#65
20080058541
2008-03-06

Stabilization of nitrogen-containing and oxygen-containing organosilanes using weakly basic ion-exchange resins

#66
20080042105
2008-02-21

Stabilizers To Inhibit The Polymerization of Substituted Cyclotetrasiloxane

#67
20080015391
2008-01-17

Process for removing contaminants from silicone-based solvents

#68
20080009645
2008-01-10

Preparation of adsorbents for purifying organosilicon compounds

#69
20070287849
2007-12-13

Low-Impurity Organosilicon Product As Precursor For CVD

#70
20070193696
2007-08-23

Method for separating aluminium chloride from organochlorosilanes

#71
20070117994
2007-05-24

Organometallic compound purification

#72
20070093670
2007-04-26

Stabilizing agent for hydroalkoxysilane, stabilization method, and stabilized hydroalkoxysilane

#73
20070004930
2007-01-04

Method for distillation of organosilicon compounds that contain acryloxy or methacryloxy groups

#74
20060252904
2006-11-09

Stabilizers to inhibit the polymerization of substituted cyclotetrasiloxane

#75
20060235182
2006-10-19

Method for removal of impurities in cyclic siloxanes useful as precursors for low dielectric constant thin films

#76
20060167296
2006-07-27

Method of preparing halogenoalkyldialkyl chlorosilane

#77
20050092680
2005-05-05

Purification of silicone containing compounds by supercritical fluid extraction

#78
20050059835
2005-03-17

Methods of refining silane compounds

#79
20050054211
2005-03-10

Purification of silicon-containing materials

#80
20050049427
2005-03-03

Preparation of branched siloxane

#81
18544286
2024-07-16

Reversible photoswitchable isomerization of novel sterically hindered 2,2′,6,6′-tetramethyl-4,4′-bis((trimethylsilyl)ethynyl)azobenzene

#82
18539786
2024-06-04

Photoswitchable isomerization of novel sterically hindered 2,2′,6,6′-tetraisopropyl-4,4′-bis((trimethylsilyl)ethynyl)azobenzene

#83
18470776
2024-09-10

Purification of trimethylsilanol