Patents-Review.com
ClassID:

30001 ⎘

B01D71/14 - CPC Classification

Classification description:

Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor; Organic material; Polysaccharides; Cellulose derivatives Esters of organic acids

Sub-classes:
Recent Application in this class:
#1
20240400995
2024-12-05

METHOD FOR ISOLATING EXOSOMES WITH HIGH EFFICIENCY AND HIGH PURITY

 #2
20240293780
2024-09-05

FLOW PATH MATERIAL FOR LIQUID SEPARATION DEVICES

 #3
20230249134
2023-08-10

System and Method for Reducing the Dissolved Solids of a Non-Potable Aqueous Flow

 #4
20210283555
2021-09-16

Thin films covalently bonded to cellulose ester membranes and methods of making the same

 #5
20210139611
2021-05-13

Cellulose ester and molded article thereof

 #6
20200215488
2020-07-09

Dialysis cell for sample preparation for a chemical analysis method

 #7
20200196620
2020-06-25

OSMOTIC MILK CONCENTRATOR HAVING A NUTRIENT FORTIFIED DRAW SOLUTION

 #8
20190344222
2019-11-14

MXene based compositing nanofiltration membrane and corresponding preparation method

 #9
20190161557
2019-05-30

Cellulose ester and molded article thereof

 #10
20190151806
2019-05-23

Semipermeable membrane

 #11
20180117537
2018-05-03

Composite hollow fiber membrane and method for producing same

 #12
20180104655
2018-04-19

Polymeric membranes

 #13
20170362720
2017-12-21

Electrochemical Compression of Ammonia Using Ion Exchange Membranes

 #14
20170150685
2017-06-01

Desalination membranes for subsurface irrigation

 #15
20150203596
2015-07-23

METHOD FOR PREPARING ACETYLATED CELLULOSE ETHERS HAVING IMPROVED ANTI-FOULING PROPERTIES, AND ACETYLATED CELLULOSE ETHERS PREPARED BY SAME

 #16
20120175300
2012-07-12

TWO-LAYER MEMBRANE

 #17
20120085697
2012-04-12

CAST-ON-TRICOT ASYMMETRIC AND COMPOSITE SEPARATION MEMBRANES

 #18
20100075101
2010-03-25

Cast-on-Tricot Asymmetric and Composite Separation Membranes

 #19
20090145831
2009-06-11

Pore diffusion type flat membrane separating apparatus

 #20
20080179248
2008-07-31

Process for cross-linking cellulose ester membranes

 #21
20070026219
2007-02-01

Cellulose-based microporous membrane