ClassID:

91332

C07C41/44 - CPC Classification

Classification description:

Preparation of ethers; Preparation of compounds having groups, groups or groups; Preparation of ethers; Separation; Purification; Stabilisation; Use of additives by treatments giving rise to a chemical modification

Recent Application in this class:
#1
20250042830
2025-02-06

METHOD FOR PRODUCING COMPOSITION CONTAINING PURIFIED FLUORINE-CONTAINING ETHER COMPOUND

#2
20240102241
2024-03-28

INTEGRATED KRAFT PULP MILL AND THERMOCHEMICAL CONVERSION SYSTEM

#3
20220396917
2022-12-15

Integrated kraft pulp mill and thermochemical conversion system

#4
20220333302
2022-10-20

Pulping Liquors and Uses Thereof

#5
20210340090
2021-11-04

Process to produce a mono vinyl ether

#6
20200339494
2020-10-29

Purification method and production method of difluoromethyl-1, 2, 2, 2-tetrafluoroethyl ether

#7
20200317593
2020-10-08

LIGNIN CONVERSION TO PHENOLIC MOLECULES USING TRANSITION METAL CATALYSTS

#8
20200002888
2020-01-02

Pulping Liquors and Uses Thereof

#9
20200002261
2020-01-02

METHODS OF SYNTHESIZING A PROSTACYCLIN ANALOG

#10
20180141889
2018-05-24

Methods of synthesizing a prostacyclin analog

#11
20170297995
2017-10-19

Methods of synthesizing a prostacyclin analog

#12
20170233320
2017-08-17

PROCESS FOR CLEANING CONTAMINATED FLUID

#13
20170226695
2017-08-10

Integrated Kraft pulp mill and thermochemical conversion system

#14
20170218287
2017-08-03

Pulping liquors and uses thereof

#15
20160229776
2016-08-11

Method for making a high purity alcohol

#16
20160200653
2016-07-14

Generation method for generating 3, 5-dihydroxy-4-methoxybenzyl alcohol from oyster meat

#17
20160168064
2016-06-16

Purification method

#18
20160075624
2016-03-17

Process for preparing and separating monodisperse polyethylene glycol

#19
20160031779
2016-02-04

Production of propylene glycol monoalkyl ether

#20
20150315114
2015-11-05

Methods of Synthesizing a Prostacyclin Analog

#21
20150133696
2015-05-14

Process for the production of polyether polyols

#22
20150119609
2015-04-30

Carboxylic acid salt removal during hydrate inhibitor recovery

#23
20150057468
2015-02-26

Process for producing propylene glycol methyl ether

#24
20140296542
2014-10-02

Method for recovering di-trimethylolpropane and trimethylolpropane-enriched product streams from the side streams of trimethylolpropane production

#25
20140288318
2014-09-25

Method for recovering di-trimethylolpropane and trimethylolpropane-enriched product streams from the side streams of trimethylolpropane production

#26
20140284202
2014-09-25

Method for recovering di-trimethylolpropane by distillation

#27
20140135531
2014-05-15

Precursor compounds and methods for making same

#28
20130338331
2013-12-19

Method for the preparation of polyether polyols

#29
20130131391
2013-05-23

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

#30
20120231180
2012-09-13

PROCESS OF PURIFYING RUTHENIUM PRECURSORS

#31
20120035383
2012-02-09

Alkoxylation processes and catalysts therefor

#32
20120029246
2012-02-02

Alkoxylation processes and catalysts therefor

#33
20110301323
2011-12-08

Alkoxylation processes and catalysts therefor

#34
20110297877
2011-12-08

ALKOXYLATION PROCESSES AND CATALYSTS THEREFOR

#35
20100179354
2010-07-15

NOVEL ALKOXY-ETHERS AND ALKOXYLATES THEREOF

#36
20100168450
2010-07-01

NOVEL BRANCHED ALKOXYLATES

#37
20100116738
2010-05-13

Process Of Purifying Ruthenium Precursors

#38
20100063327
2010-03-11

PROCESS FOR REDUCING SIDE-REACTIONS DURING ALKYLENE GLYCOL AND POLY-ALKYLENE GLYCOL MANUFACTURING

#39
20100056821
2010-03-04

Process for production of alkylene oxide adducts

#40
20090247791
2009-10-01

Process for the preparation of fluoromethyl 2,2,2-trifluoro-1-(trifluoromethyl) ethyl ether

#41
20090187049
2009-07-23

Production of propylene glycol monoalkyl ether

#42
20080086019
2008-04-10

METHOD FOR TREATING FLUORINATED ALKYL ETHER

#43
20060020150
2006-01-26

Process for preparing enantiomerically pure 1,1′-spirobiindane-6,6′-diol derivatives

#44
20050245769
2005-11-03

Process for isolating highly pure 2-methoxypropene

#45
20050038300
2005-02-17

Method for producing diene compound