ClassID:

91311

C07C41/02 - CPC Classification

Classification description:

Preparation of ethers; Preparation of compounds having groups, groups or groups; Preparation of ethers from oxiranes

Sub-classes:
Recent Application in this class:
#1
20230339833
2023-10-26

METHOD AND SYSTEM FOR PREPARING EPOXYPROPANE BY DIRECTLY EPOXIDIZING PROPYLENE

#2
20220081513
2022-03-17

POLYALKYLENE GLYCOL COMPOUND

#3
20210163391
2021-06-03

Compound containing unsaturated double bond, oxygen absorbent using same and resin composition

#4
20210070686
2021-03-11

METHODS OF MAKING POLYFUNCTIONAL POLYFLUORINATED COMPOUNDS

#5
20190211149
2019-07-11

Alkylene oxide polymerization using a double metal cyanide catalyst complex and a magnesium, group 3-group 15 metal or lanthanide series metal compound

#6
20190184387
2019-06-20

Process for preparing an epoxidation catalyst

#7
20170158654
2017-06-08

Method for the production of ethylene oxide

#8
20170114261
2017-04-27

Method of producing alkoxylene derivative and application thereof

#9
20170101506
2017-04-13

Alkylene oxide polymerization using a double metal cyanide catalyst complex and a magnesium, group 3-group 15 metal or lanthanide series metal compound

#10
20160168335
2016-06-16

ALKOXYLATED HUMUS MATERIAL COMPOSITIONS AND METHODS OF MAKING SAME

#11
20160122309
2016-05-05

Epoxidation methods

#12
20160122289
2016-05-05

Process for the preparation of an anticonvulsant agent pregabalin hydrochloride

#13
20160102042
2016-04-14

Process for the preparation of 3-aryl-2-hydroxy propanoic acid compounds

#14
20160016924
2016-01-21

Method for the production of ethylene oxide

#15
20150225504
2015-08-13

Alkylene oxide polymerization using a double metal cyanide catalyst complex and a magnesium, group 3-group 15 metal or lanthanide series metal compound

#16
20150133697
2015-05-14

Method for producing glycols from oxirane compound

#17
20140275633
2014-09-18

Continuous process for the production of low molecular weight polyethers with a DMC catalyst

#18
20140243495
2014-08-28

POLYETHER PREPARATION METHOD, PREPOLYMER PREPARATION METHOD, AND MODIFIED SILICONE POLYMER PREPARATION METHOD

#19
20140123876
2014-05-08

HYDROXY COMPOUNDS OBTAINED FROM 2,2,3,3-TETRAFLUOROOXETHANE AND DERIVATIVES THEREOF

#20
20140107356
2014-04-17

Methods for producing epoxidation catalysts and epoxidation methods utilizing them

#21
20130338331
2013-12-19

Method for the preparation of polyether polyols

#22
20130289288
2013-10-31

Process for treating a carrier, a process for preparing a catalyst, the catalyst, and use of the catalyst

#23
20130204047
2013-08-08

Method for producing polyether polyols

#24
20130131389
2013-05-23

Process for preparing polyether alcohols

#25
20130131208
2013-05-23

Polyol, polyol composition, and flexible polyurethane foam using the same

#26
20110263469
2011-10-27

Poly (alkyl epdxides), process for making, and lubricant compositions having same

#27
20100099921
2010-04-22

Method for Producing Alkylene Glycol Diethers

#28
20100063327
2010-03-11

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

#29
20100041923
2010-02-18

Method for producing alkylene oxide addition products

#30
20080125610
2008-05-29

Process for treating a carrier, a process for preparing a catalyst, the catalyst, and use of the catalyst

#31
20070185353
2007-08-09

Method for producing alkylene glycol diethers