C01D5/14 - CPC Classification Index

ClassID:

85531 ⎘

C01D5/14 - CPC Classification

Classification description:

Sulfates or sulfites of sodium, potassium or alkali metals in general Preparation of sulfites

Sub-classes:

C01D5/145 » {Pyrosulfites or metabisulfites} 2

Recent Application in this class:

20260042062

2026-02-12

PLANT AND METHOD FOR THE PURIFICATION OF FUMES AND RECOVERY OF SECONDARY RAW MATERIAL

20230046206

2023-02-16

System and method for resource recycling of sulfur dioxide

20220088359

2022-03-24

ELECTROCHEMICAL GASOTRANSMITTER GENERATING COMPOSITIONS AND BIMETALLIC CELLS FOR THE GENERATION OF GASOTRANSMITTERS

20190388396

2019-12-26

Drug compositions

20180193316

2018-07-12

Drug compositions

20180042901

2018-02-15

Drug compositions comprising an anti-parasitic and proton pump inhibitor

20160356140

2016-12-08

Lithological displacement of an evaporite mineral stratum

20150175434

2015-06-25

Production of crystalline sodium bicarbonate using COrecovered from another alkali production process

20100239477

2010-09-23

Method of decarbonation and its use in producing crystalline sodium sulfite or other alkali products

#10

20100226840

2010-09-09

Removal of impurities in the production of crystalline sodium carbonate, bicarbonate, or sulfite

#11

20100112595

2010-05-06

Bisulfite Conversion Reagent

#12

20100008845

2010-01-14

Process for production of sodium bisulfite

#13

20080202387

2008-08-28

Process For Producing Silica and Sodium Sulfite With Sodium Sulfate

#14

20080199385

2008-08-21

Process for Producing Silica and Sodium Sulfite with Sodium Sulfate

#15

20080199384

2008-08-21

Process For Producing Silica, Sodium Sulfite and Sodium Hydrogen Sulfite With Sodium Sulfate

#16

20060148853

2006-07-06

Bisulfite conversion reagent