ClassID:

84966

C01B33/039 - CPC Classification

Classification description:

Silicon; Compounds thereof; Silicon; Purification by conversion of the silicon into a compound, optional purification of the compound, and reconversion into silicon

Recent Application in this class:
#1
20240018006
2024-01-18

Method For Producing Porous Nanocrystalline Silicon

#2
20230395887
2023-12-07

RECYCLING SILICON FROM BATTERIES WITH SILICON-BASED ACTIVE MATERIALS

#3
20220177316
2022-06-09

METHOD FOR PURIFYING SILICON BY MEANS OF PHASE SEPARATION DEALLOYING REACTION

#4
20190022552
2019-01-24

Systems and methods for extracting liquid

#5
20180212131
2018-07-26

THERMOELECTRIC CONVERSION MATERIAL AND METHOD FOR PRODUCING SAME

#6
20180141819
2018-05-24

Primary distillation boron reduction

#7
20170101319
2017-04-13

RECOVERY OF SILICON VALUE FROM KERF SILICON WASTE

#8
20160152481
2016-06-02

PRIMARY DISTILLATION BORON REDUCTION

#9
20150135770
2015-05-21

Method for producing silicon for solar cells by metallurgical refining process

#10
20140041414
2014-02-13

Remote cool down of a purified directionally solidified material from an open bottom cold crucible induction furnace

#11
20130236367
2013-09-12

Production of polycrystalline silicon in substantially closed-loop systems

#12
20130195746
2013-08-01

METHOD AND SYSTEM FOR PRODUCTION OF SILICON AND DEVICIES

#13
20120100061
2012-04-26

Production of Polycrystalline Silicon in Substantially Closed-loop Processes

#14
20110300047
2011-12-08

METHOD FOR RECYCLING SILICON

#15
20110248430
2011-10-13

Remote cool down of a purified directionally solidified material from an open bottom cold crucible induction furnace

#16
20110176984
2011-07-21

Method for making silicon for solar cells and other applications

#17
20080233036
2008-09-25

PRODUCTION PROCESS FOR HIGH PURITY SILICON

#18
20070217988
2007-09-20

Method for making silicon for solar cells and other applications

#19
20070098612
2007-05-03

Set of processes for removing impurities from a silcon production facility

#20
20060048698
2006-03-09

Methods and systems for purifying elements