ClassID:

91327

C07C41/34 - CPC Classification

Classification description:

Preparation of ethers; Preparation of compounds having groups, groups or groups; Preparation of ethers Separation; Purification; Stabilisation; Use of additives

Sub-classes:
Recent Application in this class:
#1
20250263361
2025-08-21

Process For the Production of Dimethyl Ether and Hydrogen from Methane Using a Solid Metal Oxide Reagent

#2
20250206710
2025-06-26

COMPOSITIONS AND METHODS RELATED TO THE SIMULTANEOUS MANUFACTURE AND PURIFICATION OF FLAVOR AND FRAGRANCE MOLECULES

#3
20250011268
2025-01-09

PROCESS FOR PRODUCING DIMETHYL ETHER (DME) FROM SYNTHESIS GAS

#4
20240270669
2024-08-15

METHOD FOR PREPARING 2-IODO ARYL ETHER UNDER THE ACTION OF ALKALI METAL HYDRIDE

#5
20240132431
2024-04-25

METHOD FOR ALKYLATING ACIDIC FUNCTIONAL GROUP

#6
20230373891
2023-11-23

PROCESS FOR THE PREPARATION OF 2-ISOPENTYL-2-ISOPROPYL-1,3-DIMETHOXYPROPANE

#7
20230174446
2023-06-08

METHOD FOR PRODUCING FLUORINATED ETHER COMPOUND

#8
20230020950
2023-01-19

SYSTEMS AND METHODS FOR GAS TREATMENT

#9
20220162144
2022-05-26

Systems and methods for producing methanol with recycling of fusel oil

#10
20220017443
2022-01-20

Method for producing 3,5-dihydroxy-4-methoxybenzyl alcohol from bivalve

#11
20200399195
2020-12-24

Process and system for producing dimethyl ether

#12
20200171458
2020-06-04

Systems and methods for gas treatment

#13
20200002257
2020-01-02

Process and catalysts for the production of diesel and gasoline additives from glycerol

#14
20180179135
2018-06-28

Process for producing diisopropyl ether from high purity propylene

#15
20180002299
2018-01-04

Integrated process for making propene oxide and an alkyl tert-butyl ether

#16
20180002265
2018-01-04

Conversion of methane to dimethyl ether

#17
20160368849
2016-12-22

Process for the high-yield preparation of P-(R)calix[9-20]arenes

#18
20160362355
2016-12-15

Method of Fabricating Oil Product of Gasoline

#19
20160347697
2016-12-01

Process for recovery of pure components from product mixture of one step dimethyl ether synthesis reactor

#20
20160194259
2016-07-07

Method for producing hydrocarbon products

#21
20160194258
2016-07-07

METHOD FOR PRODUCING HYDROCARBON PRODUCTS

#22
20160152537
2016-06-02

Systems and methods for manufacture of dimethyl ether (DME) from natural gas and flare gas feedstock

#23
20160101053
2016-04-14

Reduction type coenzyme Q10 powder, composition thereof, and preparation method thereof

#24
20160096793
2016-04-07

Systems and methods for gas treatment

#25
20150377845
2015-12-31

Fully automated analytical method for determination of chloroethers in water and urine sample

#26
20150376100
2015-12-31

Method for recovering fluorine-containing ether

#27
20150301001
2015-10-22

Fully automated analytical method for determination of chloroethers in water and urine sample

#28
20150133696
2015-05-14

Process for the production of polyether polyols

#29
20150112099
2015-04-23

Preparation of an ether compound

#30
20140357901
2014-12-04

Systems and methods for recovering dimethyl ether from gas mixtures and liquid mixtures

#31
20140303405
2014-10-09

Product recovery process in the filtration of polyether polyols

#32
20140238870
2014-08-28

Systems and methods for regenerating liquid solvents used in the removal of organic contaminants from gaseous mixtures

#33
20140200373
2014-07-17

Formate based heat stable salt mitigation in physical solvent acid gas absorption processes

#34
20140094628
2014-04-03

Method of separating phenolic compounds in salified form

#35
20130338331
2013-12-19

Method for the preparation of polyether polyols

#36
20130303629
2013-11-14

Antioxidant, antioxidant composition and production method therefor

#37
20130203688
2013-08-08

SUGAR PLANT DERIVED BY-PRODUCTS AND METHODS OF PRODUCTION THEREOF

#38
20130184498
2013-07-18

Process for the production of dimethyl ether

#39
20130131391
2013-05-23

Method for obtaining ditrimethylolpropane and trimethylolpropane-enriched product streams from the side-streams in trimethylolpropane production

#40
20130072631
2013-03-21

METHOD FOR SEPARATING AN ORGANIC PHASE FROM AN ELECTROLYTE-CONTAINING AQUEOUS AND ORGANIC PHASE

#41
20120222556
2012-09-06

Systems and methods for gas treatment

#42
20110230674
2011-09-22

METHOD OF SEPARATING PHENOLIC COMPOUNDS IN SALIFIED FORM

#43
20110040129
2011-02-17

Process for the production of dimethyl ether

#44
20110021847
2011-01-27

Ether production method involving alcohol separation by an ionic liquid

#45
20100125156
2010-05-20

Condensation reactions for polyols

#46
20080185343
2008-08-07

Method for separating an organic phase from an electrolyte-containing aqueous and organic phase

#47
20080114195
2008-05-15

Processing of solid brominated aromatic organic compounds containing occluded bromine

#48
20070161825
2007-07-12

Method of producing reduced coenzyme Qas oily product

#49
15224542
2018-07-31

Methods of purifying crude sevoflurane

#50
14461552
2015-12-01

Method of preparing bioactive compound from solid-state cultivated mycelium for anti-metastasis against lung cancer cells