ClassID:

84990

C01B33/10784 - CPC Classification

Classification description:

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

Sub-classes:
Recent Application in this class:
#1
20240042343
2024-02-08

PRODUCTION SYSTEM, PRODUCTION METHOD AND APPLICATION OF GENERAL-PURPOSE HIGH-PURITY CHEMICALS

#2
20230097766
2023-03-30

PROCESS FOR REMOVING AN IMPURITY FROM A CHLOROSILANE MIXTURE

#3
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

#4
20160264425
2016-09-15

METHOD FOR PRODUCING POLYCRYSTALLINE SILICON

#5
20120183464
2012-07-19

Process and use of amino-functional resins for dismutating halosilanes and for removing extraneous metals

#6
20120148471
2012-06-14

METHOD FOR PURIFYING CHLOROSILANE

#7
20120079848
2012-04-05

Systems for purifying silane

#8
20120079847
2012-04-05

Processes for purifying silane

#9
20110274608
2011-11-10

Process for purifying silicon source material by high gravity rotating packed beds

#10
20110150739
2011-06-23

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

#11
20110142742
2011-06-16

Method for purification of silicon tetrachloride

#12
20100266489
2010-10-21

REMOVAL OF FOREIGN METALS FROM INORGANIC SILANES

#13
20100009844
2010-01-14

CATALYSTS USEFUL IN THE PURIFICATION OF SILICON TETRAFLUORIDE

#14
20100009843
2010-01-14

PROCESSES FOR PREPARING A CATALYST

#15
20090092534
2009-04-09

Processes for purification of silicon tetrafluoride

#16
20090053124
2009-02-26

Method for purification of disilicon hexachloride and high purity disilicon hexachloride

#17
20070212291
2007-09-13

Method And Apparatus For Purifying Inorganic Halides And Oxyhalides Using Zeolites

#18
20070003466
2007-01-04

Method for producing tetrafluorosilane

#19
20060133986
2006-06-22

Process and apparatus for removing Bronsted acid impurities in binary halides

#20
20050054211
2005-03-10

Purification of silicon-containing materials