ClassID:

29912

B01D65/06 - CPC Classification

Classification description:

Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes; Membrane cleaning or sterilisation ; Membrane regeneration with special washing compositions

Recent Application in this class:
#1
20240390859
2024-11-28

CLEANING AGENT, CLEANING LIQUID AND CLEANING METHOD FOR AROMATIC POLYAMIDE REVERSE OSMOSIS MEMBRANES

#2
20240198292
2024-06-20

METHOD FOR PRESERVING COMPOSITE SEMIPERMEABLE MEMBRANE, PRESERVATION SOLUTION, AND SPIRAL MEMBRANE ELEMENT

#3
20240167003
2024-05-23

MEMBRANE FILTRATION APPARATUS, CONCENTRATION APPARATUS, AND CONCENTRATION METHOD

#4
20240157305
2024-05-16

SELF-CLEANING DECENTRALIZED WATER TREATMENT UNIT

#5
20240091688
2024-03-21

AIR FILTER MEDIUM, PLEATED FILTER MEDIUM, AIR FILTER UNIT, MASK FILTER MEDIUM, AND METHOD FOR REGENERATING AIR FILTER MEDIUM

#6
20240001305
2024-01-04

FILM CLEANING SOLUTION AND METHOD FOR CLEANING FILM

#7
20230372872
2023-11-23

SUPPORT DEVICE, SUPPORT METHOD, AND SUPPORT PROGRAM

#8
20230330601
2023-10-19

METHODS FOR TREATING POROUS MEMBRANES

#9
20230174399
2023-06-08

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

#10
20230046432
2023-02-16

Method for filtering oil

#11
20220355253
2022-11-10

Desalination performance restoration agent for cellulose acetate membrane and desalination performance restoration method for cellulose acetate membrane

#12
20210229037
2021-07-29

Method for washing filter and method for desalinating seawater

#13
20200289988
2020-09-17

Filtering membrane cleaning method

#14
20200164316
2020-05-28

Membrane cleaning solution and method of accelerated membrane cleaning using the same

#15
20200047130
2020-02-13

Water treatment chemical, method for preparing same, and method for washing polyamide reverse osmosis membrane

#16
20200016544
2020-01-16

METHOD FOR WASHING HOLLOW FIBER MEMBRANE MODULE AND HOLLOW FIBER MEMBRANE FILTRATION DEVICE

#17
20190299165
2019-10-03

FEED PREPARATION OF FCC SLURRY OIL RETENTATE FOR DOWNSTREAM PROCESSING

#18
20190091632
2019-03-28

Method for operating membrane separation device with halt process

#19
20180280888
2018-10-04

REVERSE OSMOSIS TREATMENT APPARATUS AND REVERSE OSMOSIS TREATMENT METHOD

#20
20170275571
2017-09-28

Alkaline cleaning liquid comprising urea and/or biuret, and cleaning method for reverse osmosis membrane

#21
20170275189
2017-09-28

DEPOSIT MONITORING DEVICE FOR WATER TREATMENT DEVICE, WATER TREATMENT DEVICE, OPERATING METHOD FOR SAME, AND WASHING METHOD FOR WATER TREATMENT DEVICE

#22
20160304372
2016-10-20

SUBSURFACE WATER TREATMENT SYSTEM

#23
20160144098
2016-05-26

Membrane separation and washing devices, systems and methods employing same, and data management systems and methods

#24
20160031725
2016-02-04

Water treatment assembly including hyperfiltration module and pressurizable reservoir

#25
20160002411
2016-01-07

IMPROVING THE CHEMICAL STABILITY OF MEMBRANES

#26
20150360180
2015-12-17

Single-pass filtration systems and processes

#27
20150343386
2015-12-03

Compositions and methods of cleaning polyvinyl pyrrolidone-based hemodialysis filtration membrane assemblies

#28
20150321934
2015-11-12

WATER PRODUCTION METHOD

#29
20150300231
2015-10-22

Membrane-based exhaust gas scrubbing method and system

#30
20150293094
2015-10-15

Methods and systems useful for foodborne pathogen detection

#31
20150265974
2015-09-24

WASHING DEVICE FOR POROUS HOLLOW FIBER MEMBRANES, AND POROUS HOLLOW FIBER MEMBRANE PRODUCTION METHOD

#32
20150203927
2015-07-23

Method of producing sugar solution

#33
20150068978
2015-03-12

ENHANCMENT OF MEMBRANE ROBUSTNESS BY TREATMENT WITH IONIC MATERIALS

#34
20150050598
2015-02-19

Methods for cleaning membranes used for filtering chemicals

#35
20140263053
2014-09-18

Filter System and Method

#36
20140197086
2014-07-17

Water treatment systems and methods

#37
20140076807
2014-03-20

Low energy reverse osmosis process

#38
20140048471
2014-02-20

Module for purifying a fluid containing a cleaning agent, and methods of fabricating and using this kind of module

#39
20130306559
2013-11-21

CHEMICAL CLEANING METHOD FOR IMMERSED MEMBRANE ELEMENT

#40
20130220924
2013-08-29

FRESH WATER GENERATION METHOD AND FRESH WATER GENERATION DEVICE

#41
20130079509
2013-03-28

SEPARATION PROCESS

#42
20120095178
2012-04-19

Process for treatment of residual nucleic acids present on the surface of laboratory consumables

#43
20120017942
2012-01-26

Module for purifying a fluid containing a cleaning agent, and methods of fabricating and using this kind of module

#44
20110186513
2011-08-04

Water treatment systems and methods

#45
20070029236
2007-02-08

Module for purifying a fluid containing a cleaning agent, and methods of fabricating and using this kind of module