ClassID:

28646

B01D15/364 - CPC Classification

Classification description:

Separating processes involving the treatment of liquids with solid sorbents ; Apparatus therefor; Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction; Ion-exchange Amphoteric or zwitterionic ion-exchanger

Recent Application in this class:
#1
20240198255
2024-06-20

METHOD FOR THE SEPARATION OF ANIONIC, CATIONIC, NEUTRAL AND ZWITTERIONIC ARSENIC SPECIES

#2
20230226462
2023-07-20

HYBRID THERMAL - CHROMATOGRAPHIC SYSTEM FOR SIMULTANEOUS MINERAL PURIFICATION AND DESALINATION OF SALINE WATERS

#3
20220379237
2022-12-01

EXTERNALLY MODULATED VARIABLE AFFINITY CHROMATOGRAPHY

#4
20220362741
2022-11-17

HYDROLYTICALLY STABLE ZWITTERIONIC CHROMATOGRAPHIC MATERIALS

#5
20210308599
2021-10-07

Sulfonamide based anion exchange resins

#6
20210147332
2021-05-20

Process for separation and purification of a dicarboxylic acid containing mixture

#7
20200102280
2020-04-02

Process for making esters of 2,5-furandicarboxylic acid

#8
20170362156
2017-12-21

Process for making acrylic acid from dextrose

#9
20160266097
2016-09-15

Exosome recovery methods with low molecular weight organic zwitterions

#10
20160193547
2016-07-07

Enantioselective zwitterionic ion-exchange material

#11
20160176798
2016-06-23

Separation of propionic acid from acrylic acid

#12
20140194543
2014-07-10

CHROMATOGRAPHIC MEDIA

#13
20130324700
2013-12-05

Zwitterionic stationary phase for hydrophilic interaction liquid chromatography and preparation method thereof

#14
20120205316
2012-08-16

Packing Material For Hydrophilic Interaction Chromatography

#15
20120142893
2012-06-07

Separation and/or purification of Bfrom C

#16
20110121229
2011-05-26

ENANTIOSELECTIVE ZWITTERIONIC ION-EXCHANGE MATERIAL

#17
20110100915
2011-05-05

Packing Material For Hydrophilic Interaction Chromatography

#18
20100320373
2010-12-23

MASS SPECTROMETRIC QUANTITATIVE DETECTION OF METHYL MALONIC ACID AND SUCCINIC ACID USING HILIC ON A ZWITTERIONIC STATIONARY PHASE

#19
20100300971
2010-12-02

Zwitterionic stationary phase as well as method for using and producing said phase

#20
20100237019
2010-09-23

Process for separating a charged species from an aqueous system

#21
20100130354
2010-05-27

Separation matrix having a ligand density gradient

#22
20090005265
2009-01-01

Method of isolating nucleic acid using material positively charged at first pH and containing amino group and carboxyl group

#23
20080203029
2008-08-28

Chromatographic Media

#24
20070125711
2007-06-07

Novel separation matrix

#25
20060183863
2006-08-17

Zwitterionic polymers

#26
20060154284
2006-07-13

Method of isolating nucleic acid using material positively charged at first pH and containing amino group and carboxyl group

#27
20060060537
2006-03-23

Method of removing nitric acid from aqueous liquid and method of producing drinks

#28
20050064192
2005-03-24

Column packing material