ClassID:

85686

C01F7/46 - CPC Classification

Classification description:

Compounds of aluminium; Aluminium oxide; Aluminium hydroxide; Aluminates Purification of aluminium oxide, aluminium hydroxide or aluminates

Sub-classes:
Recent Application in this class:
#1
20240271026
2024-08-15

TREATED GEOTHERMAL BRINE COMPOSITIONS WITH REDUCED CONCENTRATION OF SILICA, IRON AND LITHIUM

#2
20240182318
2024-06-06

METAL OXIDE POWDER, AND METHOD FOR PRODUCING SAME

#3
20240083762
2024-03-14

Systems and methods for recovering salts, aluminum, alumina and ammonia from salt slag waste generated in aluminum recycling

#4
20230085171
2023-03-16

Treated geothermal brine compositions with reduced concentration of silica, iron and lithium

#5
20220298068
2022-09-22

Process for producing a binder

#6
20220243300
2022-08-04

BAUXITE PROCESSING METHOD

#7
20220242788
2022-08-04

Use of a Hydraulic Binder Containing Calcium Aluminate for the Production of a Construction Material

#8
20220227666
2022-07-21

Method for the manufacture of hydraulic binders from water treatment residuals

#9
20220227665
2022-07-21

A Method and Apparatus for Processing Water Treatment Residuals

#10
20220135418
2022-05-05

PRODUCTION OF HIGH PURITY ALUMINA AND CO-PRODUCTS FROM SPENT ELECTROLYTE OF METAL-AIR BATTERIES

#11
20220055911
2022-02-24

Pseudo-boehmite, manufacturing process and application thereof

#12
20220048785
2022-02-17

Systems and methods for recovering salts, aluminum, alumina and ammonia from salt slag waste generated in aluminum recycling

#13
20210371294
2021-12-02

Process for the preparation of high purity alumina

#14
20210155840
2021-05-27

Treated geothermal brine compositions with reduced concentration of silica, iron and lithium

#15
20200207635
2020-07-02

Non-destructive process for removing metals, metal ions and metal oxides from alumina-based materials

#16
20200031683
2020-01-30

Systems and methods for alumina production

#17
20200024148
2020-01-23

Recovery of mining processing product using boronic acid-containing polymers

#18
20190225854
2019-07-25

Treated geothermal brine compositions with reduced concentration of silica, iron and lithium

#19
20190185335
2019-06-20

Aluminum hydroxide coagulant recovery from water/wastewater treatment sludge

#20
20190161657
2019-05-30

METHOD FOR RECOVERING ABRASIVE ELEMENTS CONTAINED IN A RESIN-BONDED MATERIAL AND USE OF SAID ELEMENTS THUS RECOVERED

#21
20190070598
2019-03-07

Method for the purification of alumina

#22
20180162739
2018-06-14

METHOD OF MANUFACTURING HIGH-DENSITY BEADS OF HIGH-PURITY ALUMINA

#23
20180155203
2018-06-07

Polyaluminum salts and their uses in preparation of high-purity colloidal aluminum-silica composite particles and zeolites

#24
20180141824
2018-05-24

METHOD OF REDUCING THE AMMONIA EMISSION FROM SECONDARY ALUMINUM OXIDE

#25
20170260062
2017-09-14

METHODS FOR PURIFYING ALUMINIUM IONS

#26
20170158522
2017-06-08

Recovery of mining processing product using boronic acid-containing polymers

#27
20170050861
2017-02-23

Reducing aluminosilicate scale in the Bayer process

#28
20170022069
2017-01-26

Method for recovery of the constituent components of laterites

#29
20160332889
2016-11-17

Methods and processes of preparing aluminum hydroxide and aluminum oxide

#30
20150275331
2015-10-01

Recovery of Molybdenum from Spent Petrochemical Catalysts

#31
20150203361
2015-07-23

Methods and processes of preparing aluminum oxide

#32
20150152309
2015-06-04

Treated geothermal brine compositions with reduced concentrations of silica, iron and lithium

#33
20130052124
2013-02-28

Method for preparing high-purity alumina

#34
20130040801
2013-02-14

Process for preparing high-purity aluminum oxide by purification of alumina

#35
20120148462
2012-06-14

Reducing aluminosilicate scale in the bayer process

#36
20120040822
2012-02-16

Non-destructive process for the elimination of silicon from alumina based materials

#37
20110129399
2011-06-02

High purity and free flowing metal oxides powder

#38
20110070133
2011-03-24

Selective-cation-removal purification of aluminum source

#39
20100251931
2010-10-07

Process for Purifying a Pigment

#40
20100021374
2010-01-28

Process for producing high-purity α-alumina

#41
20080279761
2008-11-13

Process for Producing Low-Soda Alumina, Apparatus Therefor, and Alumina

#42
20080069747
2008-03-20

Destruction of organics in Bayer process streams

#43
20070280877
2007-12-06

ALPHA ALUMINA SUPPORTS FOR ETHYLENE OXIDE CATALYSTS AND METHOD OF PREPARING THEREOF

#44
20070110655
2007-05-17

Method for making high purity and free flowing metal oxides powder

#45
20060086840
2006-04-27

Process for producing aluminum oxide powder

#46
20050226807
2005-10-13

Method of producing low soda alumina, low soda alumina produced by the method and method of producing porcelain

#47
20050163688
2005-07-28

Process for removal of impurities from secondary alumina fines and alumina and/or fluorine containing material

#48
20050095193
2005-05-05

Method of removing spectator ions from aqueous suspension of solid particles