ClassID:

84350

C01B7/0712 - CPC Classification

Classification description:

Halogens; Halogen acids; Chlorine; Hydrogen chloride; Purification ; Separation of hydrogen chloride by distillation

Recent Application in this class:
#1
20240300817
2024-09-12

METHOD OF SEPARATING PHOSGENE AND HYDROGEN CHLORIDE

#2
20220411265
2022-12-29

Production method for high-purity hydrogen chloride gas

#3
20210331919
2021-10-28

METHOD AND SYSTEM FOR PRODUCING HIGH-PURITY HYDROGEN CHLORIDE

#4
20190345032
2019-11-14

Process for purifying a contaminated hydrochloric acid composition

#5
20190194018
2019-06-27

Method and a system for separating and treating impurities from a hydrogen chloride liquid mixture

#6
20190119111
2019-04-25

Process for preparation of hydrobromic acid

#7
20190092636
2019-03-28

Process for the Recovery of Hydrochloric Acid

#8
20190031581
2019-01-31

Method for separating materials by means of an extractive distillation process

#9
20180354789
2018-12-13

METHOD FOR PRODUCING HYDROGEN CHLORIDE

#10
20180237298
2018-08-23

Hydrogen gas recovery system and hydrogen gas separation and recovery method

#11
20180208465
2018-07-26

Method for producing hydrogen chloride

#12
20180186729
2018-07-05

Process for providing hydrogen chloride for chemical reactions

#13
20180044179
2018-02-15

Separation of a phosgene- and hydrogen chloride-comprising stream

#14
20180016141
2018-01-18

Method for purifying contaminated gaseous hydrogen chloride

#15
20170368500
2017-12-28

Process for producing magnesium metal by dehydrating dihydrate magnesium chloride

#16
20160145714
2016-05-26

Treatment process for extraction of precious, base and rare elements

#17
20150225234
2015-08-13

Method and installation for concentrating aqueous hydrogen halide solutions

#18
20150094502
2015-04-02

Process of fluorination in liquid phase

#19
20140356269
2014-12-04

Recovery of halogens by partial condensation

#20
20140294711
2014-10-02

Method of recycling hydrochloric and hydrofluoric acid effluent

#21
20140186230
2014-07-03

Continuous low-temperature process to produce trans-1-chloro-3,3,3-trifluoropropene

#22
20130047979
2013-02-28

METHODS FOR THE RECOVERY OF HCL AND FOR THE PRODUCTION OF CARBOHYDRATES

#23
20130041191
2013-02-14

Process of fluorination in liquid phase

#24
20130041190
2013-02-14

Process for the manufacture of 2-chloro-3,3,3-trifluoropropene (HFCO 1233xf) by liquid phase fluorination of pentachloropropane

#25
20120059200
2012-03-08

Integrated process to coproduce trans-1-chloro-3,3,3-trifluoropropene, trans-1,3,3,3-tetrafluoropropene, and 1,1,1,3,3-pentafluoropropane

#26
20120059199
2012-03-08

Continuous low-temperature process to produce trans-1-chloro-3,3,3-trifluoropropene

#27
20120010449
2012-01-12

Separation of R-1233 from hydrogen fluoride

#28
20110256050
2011-10-20

METHOD FOR PRODUCING CHLORINE

#29
20110236296
2011-09-29

METHOD OF PURIFYING HYDROCHLORIC ACID

#30
20110233045
2011-09-29

METHOD OF PURIFYING HYDROCHLORIC ACID

#31
20110178290
2011-07-21

PROCESS FOR THE PRODUCTION OF HCL GAS FROM CHLORIDE SALTS AND FOR THE PRODUCTION OF CARBOHYDRATES

#32
20110094872
2011-04-28

Method for producing of ultra-clean and high-purity electronic grade reagents

#33
20100061912
2010-03-11

Apparatus for high temperature hydrolysis of water reactive halosilanes and halides and process for making same

#34
20090275726
2009-11-05

Process for producing epichlorohydrin

#35
20090270588
2009-10-29

PROCESS FOR PRODUCING DICHLOROPROPANOL

#36
20080042103
2008-02-21

Azeotrope-like compositions of difluoromethane

#37
20070261437
2007-11-15

Enhanced process for the purification of anhydrous hydrogen chloride gas

#38
20070129582
2007-06-07

Production processes and systems

#39
20070112224
2007-05-17

Process for producing dichloropropanol from glycerol, the glycerol coming eventually from the conversion of animal fats in the manufacture of biodiesel

#40
20070106099
2007-05-10

Production processes and systems

#41
20060196761
2006-09-07

Regeneration of cupric etchants and recovery of copper sulfate

#42
20060123842
2006-06-15

Separation of a substance mixture consisting of hydrogen chloride and phosgene

#43
20060030508
2006-02-09

Azeotrope-like compositions of difluoromethane