ClassID:

28526

B01D9/004 - CPC Classification

Classification description:

Crystallisation Fractional crystallisation; Fractionating or rectifying columns

Sub-classes:
Recent Application in this class:
#1
20260125298
2026-05-07

ELECTRO-DIALYTIC CRYSTALLIZERS AND METHODS OF USE THEREOF

#2
20250382192
2025-12-18

METHOD FOR TREATING SALT-CONTAINING DUSTS

#3
20240375972
2024-11-14

PROCESSES FOR RECOVERING LITHIUM VALUES FROM LITHIUM-CONTAINING BRINES

#4
20240270612
2024-08-15

SELECTIVE PRECIPITATION OF SOLUTES FROM AQUEOUS SOLUTIONS AND RELATED SYSTEMS

#5
20240226075
2024-07-11

CANNABIS PRODUCTION SYSTEMS AND METHODS

#6
20240051837
2024-02-15

METHOD FOR THE PRODUCTION OF LITHIUM HYDROXIDE (LIOH) DIRECTLY FROM LITHIUM CHLORIDE (LICI), WITHOUT THE NEED FOR AN INTERMEDIATE PRODUCTION OF LITHIUM CARBONATE OR SIMILAR

#7
20240025755
2024-01-25

A Lithium Carbonate Production Process and Apparatus

#8
20230365489
2023-11-16

PROCESS FOR THE PURIFICATION OF PHENYLENEDIAMINES

#9
20230014244
2023-01-19

DEOILING PROCESS

#10
20220379236
2022-12-01

External circulating slurry reactive crystallizer

#11
20220169522
2022-06-02

Lithium carbonate production process and apparatus

#12
20220074020
2022-03-10

Tin production, which includes a composition comprising tin, lead, silver and antimony

#13
20210251157
2021-08-19

production systems and methods

#14
20210161167
2021-06-03

Process for dry fractionation to obtain a final hard palm oil mid fraction

#15
20200115311
2020-04-16

Process for purifying (meth)acrylic acid including a dividing-wall distillation column

#16
20200102283
2020-04-02

Methods for Obtaining Purified Cannabis Extracts and THCA Crystals

#17
20200039904
2020-02-06

Process for enriching enantiomers from an enantiomer mixture

#18
20200032359
2020-01-30

Method for treating lignocellulosic materials

#19
20190359579
2019-11-28

Method for purifying an amino acid-n-carboxy anhydride

#20
20190040330
2019-02-07

Method and apparatus for purifying a mixture comprising oil and wax

#21
20190022553
2019-01-24

Dynamic melt crystallization process for purifying dicyclopentadiene from a mixed liquid hydrocarbon stream

#22
20180179121
2018-06-28

Semi-continuous crystallization method and apparatus

#23
20180171248
2018-06-21

Process for obtaining wax fractions from a feed wax

#24
20180037963
2018-02-08

Method for treating lignocellulosic materials

#25
20180016649
2018-01-18

Method for treating lignocellulosic materials

#26
20170043275
2017-02-16

Processing unit for a washing medium contaminated with sulphur oxides and/or nitrogen oxides

#27
20160214868
2016-07-28

Process for producing ammonium sulfate crystals

#28
20160159657
2016-06-09

Process and apparatus for producing ammonium sulfate crystals

#29
20160068505
2016-03-10

Process for recovering and improving production of meso-lactide from a crude lactide containing stream

#30
20160024043
2016-01-28

Process and apparatus for purification of a stream containing a cyclic ester of an alpha-hydroxycarboxylic acid

#31
20150345278
2015-12-03

Oil recovery process including a high solids crystallizer for treating evaporator blowdown

#32
20150188133
2015-07-02

Method of manufacturing reaction agglomerated particles, method of manufacturing cathode active material for lithium ion battery, method of manufacturing lithium ion battery, lithium ion battery, and device of manufacturing reaction agglomerated particles

#33
20140102116
2014-04-17

Microfluidic device for inducing separations by freezing and associated method

#34
20120266629
2012-10-25

Method for the separation and concentration of isotopologues

#35
20120205253
2012-08-16

Process for the combined regeneration of soluble salts contained in a residue of an industrial process

#36
20120130094
2012-05-24

System and method for extracting vitamin E from fatty acid distillates

#37
20120118835
2012-05-17

WASH COLUMN

#38
20120108857
2012-05-03

Crystallization unit for acrylic acid and method for crystallization of acrylic acid using the same

#39
20120083624
2012-04-05

Process for production of (meth)acrylic acid

#40
20120046433
2012-02-23

Process for producing (meth)acrylic acid

#41
20110271712
2011-11-10

Cooling crystallizer

#42
20110259043
2011-10-27

Method of purifying ionic liquids

#43
20110210082
2011-09-01

Microfluidic device for inducing separations by freezing and associated method

#44
20110166368
2011-07-07

Process and plant for recovering solid reaction products from solutions

#45
20110146030
2011-06-23

Rotating knife, washing column, and method for disintegrating a crystal bed in a washing column

#46
20110120267
2011-05-26

Iron Precipitation

#47
20110079044
2011-04-07

Filter melting method for separating mixtures

#48
20110065952
2011-03-17

Arrangement and method for producing high-purity crystals

#49
20100275907
2010-11-04

Process and equipment for sugar crystallization by controlled cooling

#50
20100251762
2010-10-07

Water crystallizer employing mercury wetted surface

#51
20100219372
2010-09-02

Brine purification

#52
20100206821
2010-08-19

Process for purifying removal of a chemical target compound from a suspension of crystals thereof in mother liquor

#53
20100193732
2010-08-05

Process and apparatus for purification of industrial brine

#54
20100183489
2010-07-22

Forced-circulation crystallizer

#55
20100143220
2010-06-10

Process for the preparation of solar salt having high purity and whiteness

#56
20100126193
2010-05-27

Process and apparatus for concentrating dilute solution

#57
20100056744
2010-03-04

Method for separating and purifying crystallisable organic compounds

#58
20100012887
2010-01-21

Method of replacing dispersion medium

#59
20100010281
2010-01-14

Method and System for Separation and Purification of High-Purity 2,6-Dimethylnaphthalene by Continuous Crystallization

#60
20090264667
2009-10-22

Fractionation processes and devices for oils and fats

#61
20090250409
2009-10-08

Purification of ionic liquids

#62
20090246339
2009-10-01

Crystallization apparatus and process for molten fats

#63
20090221840
2009-09-03

PROCESS FOR PURIFYING ETHYLENE CARBONATE, PROCESS FOR PRODUCING PURIFIED ETHYLENE CARBONATE, AND ETHYLENE CARBONATE

#64
20090209773
2009-08-20

Method and device for purifying high melting organic raw products or compound mixtures by means of fractionated melting crystallisation from solvent mixtures

#65
20090194488
2009-08-06

METHOD FOR TREATMENT OF CRYSTAL SLURRY

#66
20090076286
2009-03-19

Process for operating a continuous removal of a target product X in the form of fine crystals

#67
20090018347
2009-01-15

Process for purifying removal of acrylic acid, methacrylic acid N-vinylpyrrolidone or P-xylene crystals from their suspension in mother liquor

#68
20080312486
2008-12-18

Method for separation of hydrocarbon oils from a waxy feedstock and apparatus for implementation of said method

#69
20080308505
2008-12-18

System and Process for Removal of Phosphorous and Ammonia from Aqueous Streams

#70
20080230490
2008-09-25

Microfluidic Device for Inducing Separations by Freezing and Associated Method

#71
20080217160
2008-09-11

Sonochemistry

#72
20080214877
2008-09-04

Method for the production of enriched isopulegol

#73
20080039623
2008-02-14

Methods and devices for preparing biuret and cyanuric acid

#74
20070283536
2007-12-13

Process for separating zirconium and hafnium

#75
20070022946
2007-02-01

Recovering purified water and potassium chloride from spent basic hydrogen peroxide

#76
20060281947
2006-12-14

(Meth) acrylic acid composition and method for producing the same

#77
20060237356
2006-10-26

Process for controlling a hydraulic wash column

#78
20060204624
2006-09-14

Process and apparatus for enhancing peel oil extraction

#79
20060013748
2006-01-19

Washing apparatus, a method of purifying a wash material and use of the washing apparatus

#80
20050228206
2005-10-13

Process for recovering paraxylene utilizing ammonia absorption refrigeration

#81
20050115363
2005-06-02

Method and apparatus for processing a suspension

#82
20050074378
2005-04-07

Method and apparatus for recovering a pure substance from an impure solution by crystallization

#83
20050006299
2005-01-13

Device for performing the purifying separation of crystals out of their suspension in a contaminated crystal melt