ClassID:

29943

B01D67/0055 - CPC Classification

Classification description:

Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus; Inorganic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment

Recent Application in this class:
#1
20250262598
2025-08-21

Membranes with precision Nanopores and Method for Manufacture Thereof

#2
20230271142
2023-08-31

METHODS OF PREPARING SOLID PARTICULATE MATERIALS

#3
20230098985
2023-03-30

METHOD FOR PRODUCING GAS SEPARATION MEMBRANE, AND GAS SEPARATION MEMBRANE

#4
20200254393
2020-08-13

Method to make carbon molecular sieve hollow fiber membranes

#5
20190143276
2019-05-16

Selective interfacial mitigation of graphene defects

#6
20180079113
2018-03-22

Film-stretching apparatus and method of producing film

#7
20150068451
2015-03-12

Supported gas separation membrane and method

#8
20130243660
2013-09-19

Separation membrane, hydrogen separation membrane including the separation membrane, and device including the hydrogen separation membrane

#9
20130152785
2013-06-20

Method of preparing a palladium-silver alloy gas separation membrane system

#10
20130152784
2013-06-20

Method of making a composite gas separation module

#11
20130104740
2013-05-02

Method for preparing a palladium-gold alloy gas separation membrane system

#12
20110232821
2011-09-29

Supported gas separation membrane and method

#13
20090314696
2009-12-24

Adaptive membrane structure

#14
20090075149
2009-03-19

Solid acid electrolytes for electrochemical devices

#15
20070110649
2007-05-17

Zeolite membranes for selective oxidation of carbon monoxide in mixed hydrogen gas source

#16
20070009778
2007-01-11

Proton conducting membrane using a solid acid

#17
20050109821
2005-05-26

Diffusion bonding for metallic membrane joining with metallic module