C01D1/40 - CPC Classification Index

ClassID:

85502 ⎘

C01D1/40 - CPC Classification

Classification description:

Oxides or hydroxides of sodium, potassium or alkali metals in general; Hydroxides; Purification; Separation by electrolysis

Recent Application in this class:

20240351902

2024-10-24

CALCIUM CARBONATE GENERATION METHOD AND SYSTEM

20240051838

2024-02-15

METHOD FOR PRODUCING LITHIUM HYDROXIDE

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

20150191837

2015-07-09

Apparatus for making and concentrating an aqueous caustic alkali

20130105332

2013-05-02

Method and apparatus for making and concentrating an aqueous caustic alkali

20120312697

2012-12-13

COutilization in electrochemical systems

20120202279

2012-08-09

Onsite integrated production factory

20110198234

2011-08-18

METHOD AND APPARATUS FOR SEPARATING SEAWATER INTO CAUSTIC SODA AND FRESH WATER BY USING GREEN ENERGY

20100230293

2010-09-16

COutilization in electrochemical systems

#10

20100116683

2010-05-13

Low energy 4-cell electrochemical system with carbon dioxide gas

#11

20100051450

2010-03-04

Onsite integrated production factory

#12

20100032311

2010-02-11

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