ClassID:

30734

B01D2311/22 - CPC Classification

Classification description:

Details relating to membrane separation process operations and control characterised by a specific duration or time

Recent Application in this class:
#1
20250387469
2025-12-25

Use of the ultrafiltration for producing purified allergenic extracts

#2
20230302414
2023-09-28

DEVICES FOR PURIFYING A LIQUID, AND RELATED SYSTEMS AND METHODS

#3
20230302408
2023-09-28

SEPARATION OF ALCOHOL USING A MEMBRANE

#4
20230181806
2023-06-15

APPARATUS AND METHOD FOR TESTING INTEGRITY OF AN ULTRAFILTER MEMBRANE

#5
20230174399
2023-06-08

WATER TREATMENT METHOD, WATER TREATMENT DEVICE AND SLIME INHIBITOR FOR MEMBRANES

#6
20230167049
2023-06-01

MEMBRANE SEPARATION PROCESS FOR SEPARATING CARBONATE-CONTAINING DIAMINOALKANE SOLUTION

#7
20220355250
2022-11-10

START-UP PROCEDURE FOR RAPID ATTAINMENT OF OPTIMAL STEADY-STATE PERFORMANCE IN MEMBRANE SEPARATION

#8
20210394119
2021-12-23

Model-free controller and method for solar-based distillation system

#9
20210093771
2021-04-01

Apparatus and method for testing integrity of an ultrafilter membrane

#10
20190219924
2019-07-18

Chemical liquid, chemical liquid storage body, manufacturing method of chemical liquid, and manufacturing method of chemical liquid storage body

#11
20190112204
2019-04-18

Water treatment device

#12
20190039022
2019-02-07

METHOD FOR CONTROLLING OPERATION OF REVERSE OSMOSIS MEMBRANE APPARATUS AND REVERSE OSMOSIS MEMBRANE TREATMENT SYSTEM

#13
20170015612
2017-01-19

Divalent ion removal from monoethylene glycol (MEG) feed streams

#14
20160002130
2016-01-07

Divalent ion removal from monoethylene glycol (MEG) feed streams

#15
20140318368
2014-10-30

Discontinuous regime membrane separation process

#16
20110180487
2011-07-28

Optimized Water Treatment Installation and Process

#17
20090107897
2009-04-30

AUTOMATIC FLUSHING APPARATUS OF MEMBRANE FILTER IN WATER PURIFIER

#18
20080163698
2008-07-10

Method of estimating stable state membrane filtration flux