ClassID:

85503

C01D1/42 - CPC Classification

Classification description:

Oxides or hydroxides of sodium, potassium or alkali metals in general; Hydroxides Concentration; Dehydration

Recent Application in this class:
#1
20250153106
2025-05-15

MOVABLE DEVICE FOR EXTRACTING LITHIUM SALTS FROM BRINE OF SALT LAKES

#2
20250083969
2025-03-13

PROCESS TO PRODUCE BATTERY GRADE LITHIUM HYDROXIDE MONOHYDRATE WITH LOW CONTENT OF CARBONATE

#3
20240051838
2024-02-15

METHOD FOR PRODUCING LITHIUM HYDROXIDE

#4
20230083938
2023-03-16

LAYERED DOUBLE HYDROXIDE ELECTRIDE AND METHOD FOR PRODUCING SAME

#5
20210070620
2021-03-11

Process for producing a concentrated aqueous sodium hydroxide solution

#6
20190039912
2019-02-07

Process for reducing fouling in evaporators in lithium hydroxide recovery

#7
20170183237
2017-06-29

PROCESS FOR TREATING A SODIUM CARBONATE PURGE

#8
20150191838
2015-07-09

Method for concentrating an aqueous caustic alkali via splitting a catholyte into a first stream for heat recovery and a second stream for evaporation

#9
20150191837
2015-07-09

Apparatus for making and concentrating an aqueous caustic alkali

#10
20150132203
2015-05-14

Process for treating a sodium carbonate purge

#11
20140158518
2014-06-12

Method for concentrating aqueous lye and apparatus suitable therefor

#12
20130105332
2013-05-02

Method and apparatus for making and concentrating an aqueous caustic alkali

#13
20100032311
2010-02-11

Method of concentrating an aqueous caustic alkali using a catholyte heat recovery evaporator

#14
20080267813
2008-10-30

Corrosion inhibitor for protecting metallic materials in strongly alkaline medium

#15
20060083656
2006-04-20

Method for reducing corrosion in solid sodium hydroxide production

#16
17937623
2025-10-07

Process for treating a sodium carbonate purge