ClassID:

85124

C01B39/205 - CPC Classification

Classification description:

Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination; Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof; Faujasite type, e.g. type X or Y using at least one organic template directing agent; Hexagonal faujasite; Intergrowth products of cubic and hexagonal faujasite

Recent Application in this class:
#1
20250326651
2025-10-23

METHODS FOR MAKING ZEOLITE-Y PARTICLES

#2
20250256267
2025-08-14

PILLARED STRUCTURES OF LAMELLAR MESOPOROUS CRYSTALLINE MICROPOROUS MATERIAL

#3
20250162890
2025-05-22

SYNTHESIS OF HIERARCHICAL ZEOLITES VIA A NON-CLASSICAL GROWTH MECHANISM IN THE PRESENCE OF ODSO

#4
20240174522
2024-05-30

SYNTHESIS OF ALUMINOSILICATE MOLECULAR SIEVES OF SWY FRAMEWORK TOPOLOGY

#5
20230321639
2023-10-12

HIGH-YIELD SYNTHESIS OF NANOZEOLITE Y CRYSTALS OF CONTROLLABLE PARTICLE SIZE AT LOW TEMPERATURE

#6
20230070640
2023-03-09

PRODUCTION METHOD OF POROUS MATERIAL, POROUS MATERIAL OBTAINED THEREBY AND Si SOURCE COMPOSITION FOR PRODUCING POROUS MATERIAL

#7
20220306481
2022-09-29

HIGH-SILICA Y MOLECULAR SIEVE HAVING FAU TOPOLOGY AND PREPARATION METHOD THEREFOR

#8
20220033270
2022-02-03

High-efficiency, fast and green method for preparing zeolite molecular sieve

#9
20210284543
2021-09-16

ZEOLITE WITH TUNED ALUMINUM CONTENT AND MESOPOROSITY

#10
20210046463
2021-02-18

High-yield synthesis of nanozeolite Y crystals of controllable particle size at low temperature

#11
20200239323
2020-07-30

Zeolite with tuned aluminum content and mesoporosity

#12
20200062604
2020-02-27

Process for making molecular sieves

#13
20200001250
2020-01-02

Zeolite membrane composite and process for producing zeolite membrane composite

#14
20190248661
2019-08-15

Process for preparing a nanometric zeolite Y

#15
20190169037
2019-06-06

Process for the preparation of a zeolitic material having a FAU-type framework structure and use thereof in the selective catalytic reduction of NO

#16
20190039054
2019-02-07

Mesoporous zeolites and methods for the synthesis thereof

#17
20180334390
2018-11-22

Zeolites, the production thereof, and their uses for upgrading heavy oils

#18
20170341017
2017-11-30

Membranes for fluid separation

#19
20170320748
2017-11-09

Methods for preparing zeolites with surfactant-templated mesoporosity and tunable aluminum content

#20
20170274350
2017-09-28

Zeolite nanocrystal aggregates

#21
20170260059
2017-09-14

Method for preparing Y type molecular sieve having high silica to alumina ratio

#22
20170225959
2017-08-10

Solidothermal synthesis of zeolitic materials and zeolites obtained therefrom

#23
20170225130
2017-08-10

Method for manufacturing zeolite membrane structure

#24
20170190587
2017-07-06

METHODS FOR PREPARING ZEOLITES WITH SURFACTANT-TEMPLATED MESOPOROSITY AND TUNABLE ALUMINUM CONTENT

#25
20160325271
2016-11-10

Method for the preparation of a synthetic faujasite material comprising monodisperse nanoparticles composed of single nanocrystals

#26
20160304354
2016-10-20

Method for preparing NaY molecular sieve of high silica-alumina ratio and product thereof

#27
20160297685
2016-10-13

Zeolite monolith and method of making the same, composite with zeolite monolith and method of making the same, and method for incorporating two or more zeolite monoliths

#28
20140170336
2014-06-19

Fabrication of zeolite composite film

#29
20140141963
2014-05-22

Zeolites and composites incorporating zeolites

#30
20130064757
2013-03-14

METHODS FOR FORMING ZEOLITES FROM HOMOGENEOUS AMORPHOUS SILICA ALUMINA

#31
20110118492
2011-05-19

Polymer-zeolite nanocomposite membranes for proton-exchange-membrane fuel cells

#32
20100084792
2010-04-08

Polymer-zeolite nanocomposite membranes for proton-exchange-membrane fuel cells

#33
20100028231
2010-02-04

Synthesis and use of nanocrystalline zeolites

#34
20070071666
2007-03-29

Synthesis and use of nanocrystalline zeolites

#35
20060034757
2006-02-16

Polymer-zeolite nanocomposite membranes for proton-exchange-membrane fuel cells