ClassID:

119491

C22B34/14 - CPC Classification

Classification description:

Obtaining refractory metals; Obtaining titanium, zirconium or hafnium Obtaining zirconium or hafnium

Recent Application in this class:
#1
20250243560
2025-07-31

METAL EXTRACTANT AND SEPARATION RECOVERY METHOD OF METAL IONS USING METAL EXTRACTANT

#2
20250084504
2025-03-13

METHOD FOR RECOVERING HAFNIUM AND IMPURITY METALS FROM HAFNIUM-CONTAINING WASTE RESIDUE

#3
20240043963
2024-02-08

APPARATUS AND METHOD FOR METAL EXTRACTION

#4
20220402767
2022-12-22

METHOD FOR THERMAL BARRIER COATING PRODUCTION BY RECYCLING THERMAL BARRIER COATING MATERIALS

#5
20220275476
2022-09-01

A METHOD FOR PREPARING AN ELEMENTAL MATERIAL BY REDUCTION USING MONOATOMIC CARBON

#6
20220259698
2022-08-18

METHOD FOR SYNTHESIZING ZIRCONIUM COMPLEX

#7
20220118379
2022-04-21

Separation of Radiometals

#8
20220002839
2022-01-06

System and process for the recovery of titanium, titanium alloy, zirconium and zirconium alloy scrap

#9
20200024687
2020-01-23

METHOD FOR EXTRACTING AND SEPARATING ZIRCONIUM AND HAFNIUM IN NITRIC ACID MEDIUM

#10
20190292630
2019-09-26

Method for recovering a minor metal and/or rare-earth metal

#11
20190040493
2019-02-07

Production system for a hafnium crystal bar and the method thereof

#12
20180327885
2018-11-15

Methods for reducing impurities in magnesium, purified magnesium, and zirconium metal production methods

#13
20180320249
2018-11-08

Method of refining of scandium oxide from concentrates using solvent extraction

#14
20180209015
2018-07-26

Recovery of rare earths from concentrates containing fluorine

#15
20180094336
2018-04-05

PROCESS FOR PREPARING METAL POWDERS AND METAL HYDRIDE POWDERS OF THE ELEMENTS TI, ZR, HF, V, NB, TA AND CR

#16
20180043437
2018-02-15

Methods For Producing Metal Powders And Metal Masterbatches

#17
20180023170
2018-01-25

Process for improving the grade and optical quality of zircons

#18
20180010211
2018-01-11

Zirconium extractant and method for extracting zirconium

#19
20170233849
2017-08-17

Method of refining of scandium oxide from concentrates using solvent extraction

#20
20160348212
2016-12-01

Method for separating the mixture of zirconium oxide/hafnium oxide by pyrometallurgy

#21
20160258074
2016-09-08

Treatment of titanium ores

#22
20160243558
2016-08-25

Method for producing a zirconium concentrated product from froth treatment tailings

#23
20160068930
2016-03-10

Extraction/separation method

#24
20150329939
2015-11-19

METHODS FOR REDUCING IMPURITIES IN MAGNESIUM, PURIFIED MAGNESIUM, AND ZIRCONIUM METAL PRODUCTION METHODS

#25
20150307958
2015-10-29

Monazite ballast separation and recovery method

#26
20150292057
2015-10-15

Method for metal production

#27
20150111022
2015-04-23

Coating for metal cellular structure and method therefor

#28
20140373683
2014-12-25

Processes for recovering rare earth elements from various ores

#29
20140238195
2014-08-28

Treatment of chemical feedstocks

#30
20140144786
2014-05-29

Eco-friendly smelting process for reactor-grade zirconium using raw ore metal reduction and electrolytic refining integrated process

#31
20140050608
2014-02-20

Methods for reducing impurities in magnesium, purified magnesium, and zirconium metal production

#32
20130177488
2013-07-11

Process for separating zirconium and hafnium tetrachlorides from mixtures

#33
20130091988
2013-04-18

Method for producing metal zirconium industrially and producing low-temperature aluminum electrolyte as byproduct

#34
20130052076
2013-02-28

Separation method

#35
20120328496
2012-12-27

Treatment of minerals

#36
20120152756
2012-06-21

Treatment of titanium ores

#37
20110247459
2011-10-13

Compound, metal extractant, and application of the same

#38
20110108434
2011-05-12

Method for manufacturing zirconium metal and hafnium metal

#39
20100313709
2010-12-16

Method for manufacturing alloy powders based on titanium, zirconium and hafnium, alloyed with the elements Ni, Cu, Ta, W, Re, Os and Ir

#40
20100272999
2010-10-28

Phlegmatized metal powder or alloy powder and method and reaction vessel for the production thereof

#41
20090226341
2009-09-10

High-purity hafnium, target and thin film comprising high-purity hafnium, and process for producing high-purity hafnium

#42
20090126529
2009-05-21

Highly pure hafnium material, target and thin film comprising the same and method for producing highly pure hafnium

#43
20080178705
2008-07-31

Titanium processing with electric induction energy

#44
20070292332
2007-12-20

Upgrading of zircon

#45
20070018138
2007-01-25

Highly pure hafnium material, target thin film comprising the same and method for producing highly pure hafnium

#46
20060266158
2006-11-30

High purity hafnium, target and thin film comprising said high purity hafnium, and method for producing high purity hafnium

#47
20060183958
2006-08-17

Process for the treatment of waste metal chlorides

#48
20060174727
2006-08-10

Method for the production of metal powders or metal hydride powders of the elements ti,zr, hf,v,nb.ta and cr

#49
20060137992
2006-06-29

Separation of metals

#50
20050180911
2005-08-18

Process for the isolation and purification of zirconium peroxosulfate and uses thereof

#51
20050161121
2005-07-28

Magnesium-zirconium alloying