ClassID:

93295

C07C303/24 - CPC Classification

Classification description:

Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of esters of sulfuric acids

Recent Application in this class:
#1
20260085037
2026-03-26

ALKYL ETHER SULFATE SURFACTANTS AND ASSOCIATED METHODS OF MANUFACTURE

#2
20240228411
2024-07-11

Functionalization of Lightly Branched Olefin Oligomers

#3
20230416184
2023-12-28

OPTIMIZED PROCESS FOR SYNTHESIZING ALKYL METHACRYLATE BY REDUCING UNWANTED BYPRODUCTS

#4
20230399286
2023-12-14

IMPROVED PROCESS FOR PREPARING METHYL METHACRYLATE AND/OR METHACRYLIC ACID BY REDUCED BACK MIXING DURING CONVERSION

#5
20230365496
2023-11-16

MONOMER FOR POLYMER GEL, POLYMER GEL AND PREPARATION THEREFOR

#6
20230329992
2023-10-19

PROCESS FOR PRODUCING A BIO-BASED SURFACTANT

#7
20230242477
2023-08-03

EFFICIENT CONVERSION OF METHANE TO METHANESULFONIC ACID VIA TRIFLUOROACETYLSULFURIC ACID

#8
20230227403
2023-07-20

PROCESS FOR SULFONATION OF 2-AMINOETHANOL HYDROGEN SULFATE ESTER TO PRODUCE TAURINE

#9
20230174443
2023-06-08

METHANOL AND SULFURIC ACID CO-PRODUCTION SYSTEM

#10
20220324781
2022-10-13

HIGHER SECONDARY ALCOHOL ALKOXYLATE PRECURSOR, HIGHER SECONDARY ALCOHOL ALKOXYLATE ADDUCT AND HIGHER SECONDARY ALKYL ETHER SULFATE ESTER SALT, AND METHODS FOR PRODUCING THESE

#11
20220144753
2022-05-12

Process for the preparation of organosulfate salts of amino acids esters

#12
20220135519
2022-05-05

Cyclic process for producing taurine from monoethanolamine

#13
20220073455
2022-03-10

Cyclic process for producing taurine from monoethanolamine

#14
20210353517
2021-11-18

PROCESS FOR PRODUCING A BIO-BASED SURFACTANT

#15
20210340463
2021-11-04

ANIONIC SURFACTANTS AND WASHING AND CLEANING AGENTS CONTAINING SAME

#16
20210276946
2021-09-09

Methods of making a polyfluorinated allyl ether and compounds relating to the methods

#17
20200399263
2020-12-24

Process for preparing 1, 2-benzenedimethanol compound

#18
20200399211
2020-12-24

Alkyl sulfate ester or salt of same

#19
20190144379
2019-05-16

Water-soluble diacetylene, photolithography composition comprising water-soluble diacetylene monomer and conductive polymer, and fine pattern preparation method using same

#20
20190112250
2019-04-18

Process for the preparation of lightly-branched hydrophobes and the corresponding surfactants and applications thereof

#21
20190047950
2019-02-14

Reagents for fluorosulfating alcohols or amines

#22
20180251411
2018-09-06

Process for making renewable surfactant intermediates and surfactants from fats and oils and products thereof

#23
20180155654
2018-06-07

Anionic surfactants and detergents comprising them

#24
20180118669
2018-05-03

Process for the preparation of a sulfated derivative of 3,5-diiodo-o-[3-iodophenyl]-l-tyrosine

#25
20180079713
2018-03-22

Thermal conversion vessel used in a process for amidification of acetone cyanohydrin

#26
20180022683
2018-01-25

Method for preparing substituted alkyl cycloalkanones

#27
20170158625
2017-06-08

Process for preparing alcohol ether sulfates

#28
20160137590
2016-05-19

Thermal conversion vessel used in a process for amidification of acetone cyanohydrin

#29
20160130206
2016-05-12

Process for the preparation of lightly-branched hydrophobes and the corresponding surfactants and applications thereof

#30
20160107980
2016-04-21

Cross metathesis of poly-branched poly-olefins

#31
20160102050
2016-04-14

Sulfated oligohydroxycarboxylic acid esters, and use thereof

#32
20150315135
2015-11-05

Sulphated chelating agent

#33
20150307428
2015-10-29

PROCESS FOR PREPARING ALKOXYLATED ALCOHOLS

#34
20150259272
2015-09-17

Process for producing MMA and/or MAA from acetone cyanohydrin and sulfuric acid

#35
20150240187
2015-08-27

Process for making renewable surfactant intermediates and surfactants from fats and oils and products thereof

#36
20150183731
2015-07-02

Cyclic process for the production of taurine from monoethanolamine

#37
20150126431
2015-05-07

Method for making a tris-(2-hydroxyethyl)-methylammonium methylsulfate fatty acid ester

#38
20140343312
2014-11-20

Method to manufacture surface active compounds such as sulfate betaine

#39
20140303393
2014-10-09

Process for preparing sulfates and/or sulfonates in a micro-reaction system

#40
20140221477
2014-08-07

Process For The Preparation Of A Sulfated Derivative Of 3,5-Diiodo-O-[3-Iodophenyl]-L-Tyrosine

#41
20140114088
2014-04-24

Process for producing fluorosulfuric acid aromatic-ring esters

#42
20140083707
2014-03-27

Highly-concentrated flowable salts of alkyl polyalkoxy sulphates

#43
20140024717
2014-01-23

Process for the preparation of a sulfated derivative of 3,5-diiodo-O-[3-iodophenyl]-L-tyrosine

#44
20130068457
2013-03-21

Method of Manufacture of Guerbet Alcohols For Making Surfactants Used In Petroleum Industry Operations

#45
20120130071
2012-05-24

METHOD FOR OXIDIZING METHANE

#46
20110301370
2011-12-08

METHOD FOR PREPARING OREGANIC ACID

#47
20110257263
2011-10-20

Jasmonic acid compounds in cocoa products

#48
20110237817
2011-09-29

Process for the preparation of acylated secondary alcohol alkoxylates and secondary alcohol alkoxylates

#49
20110213176
2011-09-01

Process for producing α-substituted ester

#50
20110213081
2011-09-01

Process of Sulfating Select Polymers

#51
20110201825
2011-08-18

Method for producing fluorosulfuric acid ester

#52
20110166374
2011-07-07

Method for producing anionic surfactant

#53
20110124504
2011-05-26

Sulphates of polyhydric alcohols, polyols, saccharides and polysaccharides for agricultural applications

#54
20110092406
2011-04-21

PROCESS FOR MAKING A SECONDARY ALCOHOL CLEANING PRODUCT

#55
20100273968
2010-10-28

Addition reaction to fluoroallylfluorosulfate

#56
20100160206
2010-06-24

Surfactant composition

#57
20100010251
2010-01-14

PREPARATION OF ALKOXYSULFATES

#58
20090247713
2009-10-01

PROCESS OF SULFATING SELECT POLYMERS

#59
20090198091
2009-08-06

HSOalkylation by conversion of olefin feed to oligomers and sulfate esters

#60
20090118552
2009-05-07

Process for producing 2-perfluoroalkylethyl alcohol

#61
20090012336
2009-01-08

Selectively reacting olefins having a terminal CF2 group in a mixture

#62
20080319215
2008-12-25

Process for preparing sulfuric monoesters from amino alkanols

#63
20080306295
2008-12-11

Method and device for the sulfonation or sulfation of sulfonatable or sulfatable organic substances and for performing faster, strongly exothermic gas/liquid reactions

#64
20080146840
2008-06-19

Method for production of methionine from homoserine

#65
20080114193
2008-05-15

Methods for preparing epoxides

#66
20080071108
2008-03-20

Stereoselective method for preparing a chiral fluorinated molecule

#67
20070282137
2007-12-06

Methods for preparing halohydrins and methods for preparing epoxides

#68
20070219400
2007-09-20

Synthesis of sterically hindered secondary aminoether alcohols

#69
20070190622
2007-08-16

Method for production of methionine from homoserine

#70
20070118007
2007-05-24

INTERNAL OLEFINS PROCESS

#71
20070111923
2007-05-17

SULFURIC ACID AMINE SALT, SULFONIC ACID AMINE SALT, PRODUCTION THEREOF AND SOFTENER COMPOSITION

#72
20070106086
2007-05-10

Process for the preparation of 3,3-dimethylbutanal

#73
20060135761
2006-06-22

Intermediates for synthesis of cephalosporins and process for preparation of such intermediates

#74
20060116314
2006-06-01

Sulfuric acid amine salt, sulfonic acid amine salt, production thereof and softener composition

#75
20060069169
2006-03-30

Use of ionic liquids as coordination ligands for organometallic catalysts

#76
20050209476
2005-09-22

Process of sulfating select polymers

#77
20050182275
2005-08-18

Process for the preparation of thioalkylamine derivatives

#78
20050176982
2005-08-11

Method for producing onium salt derivatives, and novel onium salt derivatives

#79
20050004387
2005-01-06

Mixtures of sulfuric esters

#80
20050000041
2005-01-06

Mixtures of sulfuric esters

#81
17015909
2021-11-02

Cyclic process for producing taurine from monoethanolamine