Patents-Review.com
ClassID:

84989 ⎘

C01B33/10778 - CPC Classification

Classification description:

Silicon; Compounds thereof; Compounds containing halogen; Halogenated silanes Purification

Sub-classes:
Recent Application in this class:
#1
20250313483
2025-10-09

METHOD FOR PREPARING DIIODOSILANE

 #2
20240182497
2024-06-06

METHOD AND SYSTEM FOR SELECTIVE RECOVERY OF MONOCHLOROSILANE AND DICHLOROSILANE IN POLYSILICON PRODUCTION PROCESS

 #3
20230357028
2023-11-09

METHOD FOR PRODUCING HYDROGENATED POLYSILANE COMPOUND

 #4
20230264963
2023-08-24

METHOD FOR FABRICATING TRIHALODISILANE AND METHOD FOR FABRICATING SEMICONDUCTOR DEVICE USING THE SAME

 #5
20220340430
2022-10-27

METHOD FOR PURIFYING IODOSILANES

 #6
20220289580
2022-09-15

METHOD OF PREPARING PENTACHLORODISILANE PURIFIED REACTION PRODUCT COMPRISING SAME

 #7
20220073358
2022-03-10

Method for producing purified chlorosilanes

 #8
20210300769
2021-09-30

Transsilylation catalysis

 #9
20210261419
2021-08-26

Partially hydrogenated chlorosilanes and methods for preparing same by selective hydrogenation

 #10
20200369527
2020-11-26

Method of preparing pentachlorodisilane purified reaction product comprising same

 #11
20200283298
2020-09-10

Process and apparatus for removal of impurities from chlorosilanes

 #12
20200277197
2020-09-03

TRICHLOROSILANE MANUFACTURING APPARATUS, AND METHOD FOR MANUFACTURING TRICHLOROSILANE

 #13
20200079653
2020-03-12

Method for increasing the purity of oligosilanes and oligosilane compounds by means of fractional crystallization

 #14
20190209944
2019-07-11

Purification of chlorosilanes by means of distillation and adsorption

 #15
20180290894
2018-10-11

PROCESS FOR REMOVAL OF BROMINE, IODINE, BROMINE- AND/OR IODINE-CONTAINING COMPOUNDS FROM CHLOROSILANES

 #16
20180170950
2018-06-21

Process for separating aluminum chloride from silanes

 #17
20180141819
2018-05-24

Primary distillation boron reduction

 #18
20180117557
2018-05-03

Column and process for disproportionation of chlorosilanes into monosilane and tetrachlorosilane and plant for production of monosilane

 #19
20180086645
2018-03-29

Trichlorosilane purification system and method for producing polycrystalline silicon

 #20
20170369325
2017-12-28

METHOD FOR PRODUCING TRICHLOROSILANE

 #21
20170334730
2017-11-23

METHOD FOR PRODUCING CHLORINATED OLIGOSILANES

 #22
20170297916
2017-10-19

DISTILLATION PROCESS

 #23
20170296942
2017-10-19

Purification of chlorosilanes by means of distillation and adsorption

 #24
20170283267
2017-10-05

Pentachlorodisilane production method and pentachlorodisilane produced by same

 #25
20170247260
2017-08-31

Method for purifying halogenated oligosilanes

 #26
20170101320
2017-04-13

PROCESS FOR THE PREPARATION OF PURE OCTACHLOROTRISILANES AND DECACHLOROTETRASILANES

 #27
20160279628
2016-09-29

Method for purifying silane compound or chlorosilane compound, method for producing polycrystalline silicon, and method for regenerating weakly basic ion-exchange resin

 #28
20160166947
2016-06-16

Method and device for distillative separation of a three- or multi-component mixture

 #29
20160068408
2016-03-10

Apparatus and process for treating liquids containing chlorosilanes

 #30
20160068399
2016-03-10

Methods for separating halosilanes

 #31
20160002053
2016-01-07

Recovery of hydrohalosilanes from reaction residues

 #32
20160002052
2016-01-07

METHOD FOR PRODUCING TRICHLOROSILANE

 #33
20150174506
2015-06-25

Trihalosilane refining device having divided wall distillation column

 #34
20140076711
2014-03-20

Trihalosilane refining method

 #35
20140076710
2014-03-20

Trihalosilane refining method

 #36
20140076709
2014-03-20

Trihalosilane refining method

 #37
20130284585
2013-10-31

Methods for purifying halosilane-containing streams

 #38
20130192103
2013-08-01

Motion greeting cards

 #39
20130177493
2013-07-11

Polycrystalline silicon

 #40
20130177492
2013-07-11

Method for purifying chlorosilanes

 #41
20130156675
2013-06-20

PROCESS FOR PRODUCTION OF SILANE AND HYDROHALOSILANES

 #42
20130121907
2013-05-16

Purification of trichlorosilane

 #43
20130101489
2013-04-25

Fouling reduction in hydrochlorosilane production

 #44
20130011558
2013-01-10

Process for producing polysilicon

 #45
20130001063
2013-01-03

Method for producing trichlorosilane

 #46
20120325645
2012-12-27

Processes for the purification of trichlorosilane or silicon tetrachloride

 #47
20120195804
2012-08-02

Reactor and plant for the continuous preparation of high-purity silicon tetrachloride or high-purity germanium tetrachloride

 #48
20120193214
2012-08-02

Process for purifying chlorosilanes by distillation

 #49
20120148471
2012-06-14

METHOD FOR PURIFYING CHLOROSILANE

 #50
20120145530
2012-06-14

Method and apparatus for purification of trichlorosilane

 #51
20120121493
2012-05-17

Method for purifying chlorosilanes

 #52
20120079848
2012-04-05

Systems for purifying silane

 #53
20120079847
2012-04-05

Processes for purifying silane

 #54
20110243825
2011-10-06

TETRAHALOSILANE CONVERTER

 #55
20110228268
2011-09-22

Method Of Analyzing A Composition Containing Impurities

 #56
20110200512
2011-08-18

Method for producing trichlorosilane and method for utilizing trichlorosilane

 #57
20110150739
2011-06-23

METHOD FOR REMOVING BORON-CONTAINING IMPURITIES FROM HALOGEN SILANES AND APPARATUS FOR PERFORMING SAID METHOD

 #58
20110142742
2011-06-16

Method for purification of silicon tetrachloride

 #59
20110114469
2011-05-19

Process and system for the purification of trichlorosilane and silicon tetrachloride

 #60
20110052474
2011-03-03

INSTALLATION AND METHOD FOR REDUCING THE CONTENT IN ELEMENTS, SUCH AS BORON, OF HALOSILANES

 #61
20100320072
2010-12-23

Processing of chlorosilane flows containing boron

 #62
20100298600
2010-11-25

NANODIAMOND COMPOUNDS SYNTHESIZED BY SURFACE FUNCTIONALIZATION

 #63
20100221169
2010-09-02

Process for preparing high-purity hexachlorodisilane

 #64
20090250403
2009-10-08

Process for removing aluminum and other metal chlorides from chlorosilanes

 #65
20090238748
2009-09-24

Chlorosilanes purifying apparatus and chlorosilanes manufacturing method

 #66
20090166173
2009-07-02

Effluent gas recovery process for silicon production

 #67
20090165647
2009-07-02

EFFLUENT GAS RECOVERY PROCESS FOR SILICON PRODUCTION

 #68
20090068081
2009-03-12

METHOD FOR PURIFYING CHLOROSILANES

 #69
20090060819
2009-03-05

PROCESS FOR PRODUCING TRICHLOROSILANE

 #70
20090057129
2009-03-05

Method for producing trichlorosilane and method for producing polycrystalline silicon

 #71
20090020413
2009-01-22

Process and apparatus for purifying silicon tetrachloride or germanium tetrachloride containing hydrogen compounds

 #72
20080314728
2008-12-25

Processes for the purification of trichlorosilane and silicon tetrachloride

 #73
20080197014
2008-08-21

Reactor, plant and industrial process for the continuous preparation of high-purity silicon tetrachloride or high-purity germanium tetrachloride

 #74
20070212291
2007-09-13

Method And Apparatus For Purifying Inorganic Halides And Oxyhalides Using Zeolites

 #75
20070098612
2007-05-03

Set of processes for removing impurities from a silcon production facility