Patents-Review.com
ClassID:

85139 ⎘

C01B39/44 - 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 Ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38

Sub-classes:
Recent Application in this class:
#1
20250222442
2025-07-10

ORGANO-TEMPLATE FREE FER SYNTHESIS

 #2
20230286817
2023-09-14

ZSM-35 MOLECULAR SIEVE AND PRODUCTION METHOD THEREFOR, ISOMERIZATION CATALYST AND PRODUCTION METHOD THEREFOR, AND ISOMERIZATION METHOD

 #3
20220347662
2022-11-03

Catalyst for gasoline synthesis from dimethyl ether, method for preparing the same, and method for preparing gasoline using the same

 #4
20210094836
2021-04-01

Method of synthesizing an aluminosilicate molecular sieve by a crystal seed-assisted method

 #5
20200078776
2020-03-12

Modified crystalline aluminosilicate for dehydration of alcohols

 #6
20200038848
2020-02-06

ZSM-35 molecular sieve and preparation method thereof

 #7
20200037062
2020-01-30

Sound absorbing material and speaker box using same

 #8
20190336938
2019-11-07

Xenon adsorbent

 #9
20190262814
2019-08-29

Method for synthesizing a FER/MOR composite molecular sieve

 #10
20190247836
2019-08-15

SCR catalysts having improved low temperature performance, and methods of making and using the same

 #11
20180185827
2018-07-05

Mesoporous Zeolitic Material, Method for Making the Same and Use

 #12
20170304809
2017-10-26

Modified crystalline aluminosilicate for dehydration of alcohols

 #13
20160279597
2016-09-29

CHEMICAL FILTER

 #14
20160023913
2016-01-28

Interzeolite transformation and metal encapsulation in the absence of an SDA

 #15
20150352535
2015-12-10

Catalyst and process for the production of acetic acid and dimethyl ether

 #16
20150319517
2015-11-05

Loudspeaker system with improved sound

 #17
20150314263
2015-11-05

Loudspeaker system with improved sound

 #18
20150271592
2015-09-24

Loudspeaker system with improved sound

 #19
20150271580
2015-09-24

Loudspeaker system with improved sound

 #20
20150246346
2015-09-03

SCR catalysts having improved low temperature performance, and methods of making and using the same

 #21
20150246345
2015-09-03

SCR CATALYSTS HAVING IMPROVED LOW TEMPERATURE PERFORMANCE, AND METHODS OF MAKING AND USING THE SAME

 #22
20120141868
2012-06-07

Zeolite for treatment of nonaqueous electrolytic solution and treatment method of nonaqueous electrolytic solution

 #23
20070154387
2007-07-05

Perturbed synthesis of materials

 #24
16369589
2019-10-01

Methods for synthesizing hierarchical zeolites for catalytic cracking

 #25
16103623
2019-07-16

Methods for synthesizing hierarchical zeolites for catalytic cracking