Patents-Review.com
ClassID:

84349 ⎘

C01B7/0706 - CPC Classification

Classification description:

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

Sub-classes:
Recent Application in this class:
#1
20250333304
2025-10-30

METHOD FOR PRODUCING HIGH-PURITY HYDROCHLORIC ACID

 #2
20230331551
2023-10-19

HIGH PRESSURE DESORPTION OF HYDROGEN CHLORIDE GAS

 #3
20220371886
2022-11-24

HYDROGEN CHLORIDE DEHYDRATION METHOD

 #4
20220073347
2022-03-10

HYDROGEN CHLORIDE LOOP FUEL REACTION

 #5
20200354217
2020-11-12

HYDROGEN CHLORIDE MIXTURE, METHOD FOR PRODUCING THE SAME, AND FILLING CONTAINER

 #6
20190375635
2019-12-12

Method for flexibly controlling the use of hydrochloric acid from chemical production

 #7
20190337802
2019-11-07

Process of Producing Chlorine Gas

 #8
20190330060
2019-10-31

Method and device for the continuous neutralization of hydrochloric acid

 #9
20190134560
2019-05-09

Hydrochloric acid purification process and plant

 #10
20180354790
2018-12-13

HYDROGEN CHLORIDE MIXTURE, METHOD FOR PRODUCING THE SAME, AND FILLING CONTAINER

 #11
20180237298
2018-08-23

Hydrogen gas recovery system and hydrogen gas separation and recovery method

 #12
20180057358
2018-03-01

Method for recovering HCI from a HCI containing gas stream

 #13
20180016141
2018-01-18

Method for purifying contaminated gaseous hydrogen chloride

 #14
20170158586
2017-06-08

Hydrochloric acid purification process

 #15
20160289099
2016-10-06

System and methods for removing minerals from a brine using electrodialysis

 #16
20160145714
2016-05-26

Treatment process for extraction of precious, base and rare elements

 #17
20150353452
2015-12-10

Method for heat recovery in vinyl chloride monomer structures or in the structure composite dichloroethane/vinyl chloride, and device suitable for same

 #18
20150343414
2015-12-03

Method for processing hydrogen chloride from isocyanate preparation

 #19
20150225808
2015-08-13

Processes for preparing alumina and magnesium chloride by HCl leaching of various materials

 #20
20140356269
2014-12-04

Recovery of halogens by partial condensation

 #21
20140319040
2014-10-30

Hydrochloric acid production system

 #22
20140186230
2014-07-03

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

 #23
20140147373
2014-05-29

Process to separate phosgene and hydrogen chloride from a fluid stream comprising phosgene and hydrogen chloride

 #24
20130277606
2013-10-24

Method for inhibiting fouling in vapor transport system

 #25
20120238782
2012-09-20

METHODS FOR PRODUCING ALLYL CHLORIDE AND DICHLOROHYDRIN

 #26
20120157723
2012-06-21

Process of making a chlorinated hydrocarbon

 #27
20120156497
2012-06-21

Galvanic waste sludge treatment and manufacturing of nano-sized iron oxides

 #28
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

 #29
20120059199
2012-03-08

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

 #30
20120053374
2012-03-01

Process of making a chlorinated hydrocarbon

 #31
20120012792
2012-01-19

Method for inhibiting fouling in vapor transport system

 #32
20110207975
2011-08-25

INTEGRATED PROCESS TO PRODUCE 2,3,3,3-TETRAFLUOROPROPENE

 #33
20110166369
2011-07-07

Process for purifying hydrogen chloride

 #34
20110158869
2011-06-30

Processing method for recovering iron oxide and hydrochloric acid

 #35
20110094872
2011-04-28

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

 #36
20110072965
2011-03-31

Carbon membranes from cellulose esters

 #37
20100266481
2010-10-21

PROCESSES FOR THE OXIDATION OF A GAS CONTAINING HYDROGEN CHLORIDE

 #38
20100264372
2010-10-21

Method of concentrating hydrochloric acid

 #39
20100247412
2010-09-30

Method for Removal of CIO3F

 #40
20100227757
2010-09-09

Inorganic mixed oxide and catalyst for purification of exhaust gas using the same

 #41
20100158789
2010-06-24

Removal of contaminants from by-product acids

 #42
20100150816
2010-06-17

Methods for Purifying an Aqueous Hydrochloric Acid Solution

 #43
20100139481
2010-06-10

Method of treating a gas system

 #44
20100111818
2010-05-06

REMOVAL OF CONTAMINANTS FROM BY-PRODUCT HYDROCHLORIC ACID

 #45
20100092373
2010-04-15

Processes for Removing Carbon Monoxide from a Crude HCl Gas, and HCl Oxidation Processes Using Purified HCl Gas Obtained Thereby

 #46
20100086473
2010-04-08

Process for producing chlorine from HCL

 #47
20090240090
2009-09-24

Integrated process to produce 2,3,3,3-tetrafluoropropene

 #48
20090182650
2009-07-16

Hydrogen chloride supply system, air pollution control system, and hydrogen chloride supply control system

 #49
20090022653
2009-01-22

Method for purifying hydrogen chloride

 #50
20090020478
2009-01-22

Processes for the regeneration of an anion exchanger loaded with hexachlorostannate

 #51
20080267856
2008-10-30

Removal of contaminants from by-product acids

 #52
20080267849
2008-10-30

PROCESSES FOR THE OXIDATION OF CARBON MONOXIDE IN A GAS STREAM CONTAINING HCL

 #53
20080267846
2008-10-30

PROCESSES FOR THE PURIFICATION AND OXIDATION OF A HYDROGEN CHLORIDE-CONTAINING GAS WHICH ALSO CONTAINS SULFUR COMPOUND(S)

 #54
20070287812
2007-12-13

Contact methods for formation of Lewis gas/liquid systems and recovery of Lewis gas therefrom

 #55
20070276158
2007-11-29

Processes for separating carbon monoxide from a hydrogen chloride-containing gas

 #56
20070276154
2007-11-29

PROCESSES FOR THE PRODUCTION OF ORGANIC ISOCYANATES

 #57
20070269365
2007-11-22

PROCESSES FOR THE PREPARATION OF ISOCYANATES

 #58
20070249859
2007-10-25

Process for the production of isocyanates

 #59
20060008410
2006-01-12

Purification of hydrochloric acid obtained as by-product in the synthesis of methanesulfonic acid