ClassID:

84365

C01B7/191 - CPC Classification

Classification description:

Halogens; Halogen acids; Fluorine; Hydrogen fluoride Hydrogen fluoride

Sub-classes:
Recent Application in this class:
#1
20260048997
2026-02-19

METHOD FOR FLUORINE SEPARATION AND RECOVERY FROM PHOSPHATE ROCK ENHANCED WITH MICROBUBBLE COUPLED SILICON ADDITIVE

#2
20250051162
2025-02-13

SYSTEMS AND METHODS FOR USING HEAT PRODUCED FROM ACID GENERATION

#3
20240262685
2024-08-08

Vessel for hydrogen fluoride gas generation

#4
20240059860
2024-02-22

METHODS AND SYSTEMS FOR DESTRUCTION OF SYNTHETIC PER- AND POLYFLUORO COMPOUNDS

#5
20230130681
2023-04-27

Universal chemical processor

#6
20220212929
2022-07-07

Integrated processes for treatment of an ammonium fluorosulfate byproduct of the production of bis (fluorosulfonyl) imide

#7
20210147230
2021-05-20

Method for producing hydrogen fluoride

#8
20210047567
2021-02-18

AZEOTROPIC COMPOSITIONS COMPRISING HYDROGEN FLUORIDE AND FLUOROCARBONS

#9
20200317516
2020-10-08

Inhibited hydrofluoric acid composition

#10
20190270656
2019-09-05

Process for reducing the concentration of arsenic in an aqueous solution comprising a fluoroacid

#11
20190267249
2019-08-29

Atomic layer etching using a boron-containing gas and hydrogen fluoride gas

#12
20190077734
2019-03-14

Azeotropic compositions comprising hydrogen fluoride and fluorocarbons

#13
20190040321
2019-02-07

Azeotropic compositions comprising hydrogen fluoride and fluorocarbons

#14
20180354875
2018-12-13

Composition comprising HF and E-3,3,3-trifluoro-1-chloropropene

#15
20180337071
2018-11-22

Methods and apparatuses for chemical delivery for brush conditioning

#16
20180327341
2018-11-15

Process for the preparation of 2,3,3,3-tetrafluoropropene

#17
20180312453
2018-11-01

Composition comprising HF and 1,3,3,3-tetrafluoropropene

#18
20180297919
2018-10-18

Azeotropic compositions of hydrogen fluoride and Z-3,3,3-trifluoro-1-chloropropene

#19
20180162740
2018-06-14

Method for complex treatment of phosphogypsum

#20
20180148332
2018-05-31

Method for producing diluted hydrofluoric acid

#21
20180126348
2018-05-10

Composition comprising HF and 3,3,3-trifluoro-2-chloropropene

#22
20180105433
2018-04-19

High purity synthetic fluorite, process for preparing the same and apparatus therefor

#23
20180065170
2018-03-08

THREE COMPONENT POLYURETHANE BINDER SYSTEM

#24
20180056210
2018-03-01

SEPARATION OF (Z)-1-CHLORO-3,3,3-TRIFLUOROPROPENE (HCFO-1233zd(Z)) AND 1-CHLORO-1,3,3,3-TETRAFLUOROPROPANE (HCFC-244fa) BY ADDING A THIRD COMPONENT

#25
20180047577
2018-02-15

Atomic layer etching using a boron-containing gas and hydrogen fluoride gas

#26
20170297982
2017-10-19

Azeotropic compositions of hydrogen fluoride and Z-3,3,3-trifluoro-1-chloropropene

#27
20170158506
2017-06-08

Method for producing hydrogen fluoride

#28
20160317965
2016-11-03

Method for treating sulfur hexafluoride using radiation and apparatus for collecting and treating by-products

#29
20160221901
2016-08-04

Process for the preparation of 2,3,3,3-tetrafluoropropene

#30
20160046548
2016-02-18

Composition comprising HF and 3,3,3-trifluoropropene

#31
20160031773
2016-02-04

Composition comprising HF and 1,3,3,3-tetrafluoropropene

#32
20160023974
2016-01-28

Composition comprising HF and E-3,3,3-trifluoro-1-chloropropene

#33
20160023176
2016-01-28

Composition comprising HF, 3,3,3-trifluoro-2-chloropropene, and E-3,3,3-trifluoro-1-chloropropene

#34
20160009555
2016-01-14

Composition comprising HF and 2,3,3,3-tetrafluoropropene

#35
20150353372
2015-12-10

Method for the production of free flowing synthetic calcium fluoride and use thereof

#36
20150314313
2015-11-05

Dry non-plasma treatment system

#37
20150203422
2015-07-23

Process for the preparation of 2,3,3,3 tetrafluoropropene

#38
20140360979
2014-12-11

Dry non-plasma treatment system and method of using

#39
20140294711
2014-10-02

Method of recycling hydrochloric and hydrofluoric acid effluent

#40
20140070137
2014-03-13

Method for the preparation of anhydrous hydrogen halides, inorganic substances and/or inorganic hydrides by using as reactants inorganic halides and reducing agents

#41
20120321522
2012-12-20

Zero pollution recovery system for safely producing anhydrous fluorine hydride

#42
20120138841
2012-06-07

Azeotrope-like compositions of (Z)-1-chloro-3,3,3-trifluoropropene and hydrogen fluoride

#43
20120119139
2012-05-17

Process for the manufacture of halocarbons and selected compounds and azeotropes with HF

#44
20120056122
2012-03-08

1,3,3,3-tetrafluoropropene process azeotropes with HF

#45
20120003138
2012-01-05

Azeotrope-like composition of PFand HF

#46
20110311426
2011-12-22

PROCESS FOR THE PREPARATION OF FLUORINE COMPOUND

#47
20110287996
2011-11-24

Azeotrope-like compositions of 1,1,2,3-tetrachloropropene and hydrogen fluoride

#48
20110270003
2011-11-03

ZONE REACTOR INCORPORATING REVERSIBLE HYDROGEN HALIDE CAPTURE AND RELEASE

#49
20110256034
2011-10-20

Apparatus for the synthesis of anhydrous hydrogen halide and anhydrous carbon dioxide

#50
20110240902
2011-10-06

Azeotrope-like composition of 2,3-dichloro-3,3-difluoropropene (HCFO-1232xf) and hydrogen fluoride (HF)

#51
20110212017
2011-09-01

Method for the synthesis of anhydrous hydrogen halide and anhydrous carbon dioxide

#52
20110078948
2011-04-07

ASH REMOVAL FROM COAL: PROCESS TO AVOID LARGE QUANTITIES OF HYDROGEN FLUORIDE ON-SITE

#53
20100286463
2010-11-11

Process and Apparatus for the Pyrolytic Conversion of Organic Halides to Hydrogen Halides

#54
20100237046
2010-09-23

Dry non-plasma treatment system and method of using

#55
20100113323
2010-05-06

Azeotrope-like compositions of 1,1,1,2,3-pentachloropropane and hydrogen fluoride

#56
20100113322
2010-05-06

Azeotrope-like compositions of 1,1,2,3-tetrachloropropene and hydrogen fluoride

#57
20100089321
2010-04-15

GENERATION AND DISTRIBUTION OF A FLUORINE GAS

#58
20100019200
2010-01-28

METHOD FOR PREPARING RARE-EARTH-DOPED FLUORIDE NANOPARTICLES OF CONTROLLED SIZE

#59
20100012898
2010-01-21

METHOD FOR CONTROLLING THE SIZE OF RARE-EARTH-DOPED FLUORIDE NANOPARTICLES

#60
20090127163
2009-05-21

Zone reactor incorporating reversible hydrogen halide capture and release

#61
20090118555
2009-05-07

Integrated HFC trans-1234ze manufacture process

#62
20090001524
2009-01-01

GENERATION AND DISTRIBUTION OF A FLUORINE GAS

#63
20080108852
2008-05-08

Process for the manufacture of halocarbons and selected compounds and azeotropes with HF

#64
20080051610
2008-02-28

Integrated HFC trans-1234ze manufacture process

#65
20070298972
2007-12-27

Dry non-plasma treatment system and method of using

#66
20070287812
2007-12-13

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

#67
20070282152
2007-12-06

Production of one or more useful products from lesser value halogenated materials

#68
20070100173
2007-05-03

Azeotrope compositions comprising E-1,3,3,3-tetrafluoropropene and hydrogen fluoride and uses thereof

#69
20060210469
2006-09-21

Method for removing water molecules from vacuum chamber, program for executing the method, and storage medium storing the program

#70
20060198769
2006-09-07

Apparatus for abatement of by-products generated from deposition processes and cleaning of deposition chambers

#71
20060120938
2006-06-08

Process for treating fluorine compound-containing gas

#72
20060093547
2006-05-04

Process for treating fluorine compound-containing gas

#73
20050096247
2005-05-05

Azeotrope-like compositions of iodine heptafluoride and hydrogen fluoride

#74
20050089461
2005-04-28

Process and apparatus for the decomposition of fluorine compounds

#75
20050080302
2005-04-14

Process for the manufacture of halocarbons and selected compounds and azeotropes with HF

#76
20050077501
2005-04-14

Azeotrope-like compositions of trifluoroethane and hydrogen fluoride

#77
17508469
2022-10-18

Universal chemical processor