| Patents for C07C 303 - Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides (11,473) |
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| 05/25/2011 | CN102070493A Method for preparing fluorine-containing lubricating oil additive |
| 05/25/2011 | CN102070387A Manufacturing process for branched and linear alkylated benzene as precursor for enhanced oil recovery surfactant |
| 05/19/2011 | WO2011058915A1 Process for production of aromatic sulfonyl chloride compound |
| 05/19/2011 | WO2011058789A1 Quinonediazide photosensitizer solution and positive-type resist composition |
| 05/19/2011 | US20110118303 Novel compounds derived from taurine, process of their preparation and pharmaceutical compositions containing these |
| 05/19/2011 | US20110117657 Selective and sensitive detection of mercuric ion by novel dansyl-appended calix[4]arene molecules, via fluorescence quenching |
| 05/18/2011 | EP1346980B1 Process for producing fluorosulfonyl fluoride compound |
| 05/18/2011 | CN102060740A Racemization method for L-(+)-p-hydroxy phenylglycine p-methyl benzene sulfonate |
| 05/18/2011 | CN102060739A Method for preparing anionic surfactant |
| 05/18/2011 | CN102060738A Ionic liquid combining B acid site and L acid site as well as preparation method and application thereof |
| 05/18/2011 | CN102060737A Secondary alkyl sodium sulfonate posttreatment method |
| 05/18/2011 | CN101492431B Method for preparing cinepazide maleate |
| 05/17/2011 | US7943370 Structure, target substance detection element and target substance detection kit |
| 05/12/2011 | US20110112317 Composition Containing an Esterified Substituted Benzene Sulfonate |
| 05/12/2011 | US20110112193 Bis-aryl compounds for use as medicaments |
| 05/11/2011 | EP2319824A2 Improved preparation of 2S,3S-N-isobutyl-N-(2-hydroxy-3-amino-4-phenylbutyl)amine |
| 05/11/2011 | EP2318360A1 Preparation of alkoxysulfates |
| 05/11/2011 | CN102051164A Surfactant for oil field and preparation method of surfactant |
| 05/11/2011 | CN102050785A Imidazoline ionic liquid and preparation method and application thereof |
| 05/11/2011 | CN102050778A Method for synthesizing gliclazide and intermediate thereof |
| 05/11/2011 | CN102050766A Synthesis method for amosulalol hydrochloride |
| 05/11/2011 | CN102050765A Production method of methane sulfonamide |
| 05/11/2011 | CN102050764A Method for purifying sodium hydroxyethyl sulphonate |
| 05/11/2011 | CN102050763A Method for preparing 1-pentanesulfonic acid sodium salt concentrate |
| 05/11/2011 | CN102050762A Cyanophenyl derivate and applications thereof |
| 05/11/2011 | CN102050717A Dysideavillosa element A, element B and element C as well as preparation method and application thereof in preparation of drugs |
| 05/11/2011 | CN101124196B Process for the preparation of enantiomerically pure 1-substituted-3-aminoalcohols |
| 05/05/2011 | WO2011052601A1 Ionic organic compound, production method therefor, and carbon nanotube dispersant comprising said ionic organic compound |
| 05/05/2011 | WO2011022429A3 Process for the preparation of (s)-2-amino-5-cyclopropyl-4,4-difluoropentanoic acid and alkyl esters and acid salts thereof |
| 05/05/2011 | US20110105787 Process for Producing Alkyl Glyceryl Sulfonates |
| 05/04/2011 | EP2315871A1 Dimethyl disulphide derived at least partially from renewable materials |
| 05/04/2011 | EP1481967B1 Process for the preparation of biaryl compounds |
| 05/04/2011 | EP1334966B1 Process for preparation of optically active sulfonamides and intermediates for their synthesis |
| 05/04/2011 | CN102040545A Acidic room-temperature ionic liquid using acidic functional tetraalkylguanidine as cations and preparation method thereof |
| 04/28/2011 | WO2011049940A2 Use of an acetic acid/water solvent mixture for the preparation of low-sulfate 5-sulfoisophthalic acid, mono-lithium salt from 5-sulfoisophthalic acid |
| 04/28/2011 | WO2011048535A1 Sustainable chemical process for reduction of nitro compounds (r-no2) or nitroso compounds (r-no) containing sulphonic or carboxylic group into corresponding amino compounds (r-nh2) with inherent recycle of all acidic streams generated in synthesis |
| 04/28/2011 | WO2011048152A1 Lithium salts of pentafluorophenylamide anions, preparation thereof and use thereof |
| 04/28/2011 | WO2011047877A1 A process for preparing benzo[b]thiophene derivatives |
| 04/28/2011 | US20110097269 Phenyloxyaniline derivatives |
| 04/28/2011 | CA2775965A1 Use of an acetic acid/water solvent mixture for the preparation of low-sulfate 5-sulfoisophthalic acid, mono-lithium salt from 5-sulfoisophthalic acid |
| 04/27/2011 | EP2314572A1 Lithium salts of pentafluorphenyl amide anions, production and use of same |
| 04/27/2011 | EP2314564A2 Improved preparation of 2S,3S-N-isobutyl-N-(2-hydroxy-3-amino-4-phenylbutyl)-p-nitrobenzenesulfonylamide hydrochloride and other derivatives of 2-hydroxy-1,3-diamines |
| 04/27/2011 | EP2314563A2 Improved preparation of 2S,3S-N-isobutyl-N-(2-hydroxy-3-amino-4-phenylbutyl)-p-nitrobenzenesulfonylamide hydrochloride and other derivatives of 2-hydroxy-1,3-diamines |
| 04/27/2011 | EP2314562A2 Improved preparation of 2S,3S-N-isobutyl-N-(2-hydroxy-3-amino-4-phenylbutyl)-p-nitrobenzenesulfonylamide hydrochloride and other derivatives of 2-hydroxy-1,3-diamines |
| 04/27/2011 | EP2313366A2 Processes for the preparation of 2,5-dihydroxybenzenesulfonic acid salts |
| 04/27/2011 | EP2313365A1 Aqueous methods for making fluorinated sulfonate esters |
| 04/27/2011 | CN102037542A Cleaning solution for substrate for semiconductor device |
| 04/27/2011 | CN102037111A Alpha-sulfo fatty acid alkyl ester salt solid including bubbles and production method thereof |
| 04/27/2011 | CN102030689A Refining method of ibutilide fumarate |
| 04/27/2011 | CN102030688A Method for preparing monosodium sulfosuccinate |
| 04/27/2011 | CN102030687A Method for preparing sulfonium salt and sulfonium salt prepared by the same |
| 04/27/2011 | CN102030686A Method for preparing sulfonium salt and sulfonium salt prepared by the same |
| 04/27/2011 | CN102030683A Sitagliptin intermediate and preparation method and application thereof |
| 04/27/2011 | CN102030680A Novel oxime ether or ester derivatives with insecticidal activity, preparation method and application thereof |
| 04/27/2011 | CN102030655A Synthesis method of diphenyl ether derivate, combined production method of oxyfluorfen and acifluorfen and synthesis method of oxyfluorfen |
| 04/27/2011 | CN102029123A Gemini surfactant and preparation method thereof |
| 04/27/2011 | CN101318915B Method for preparing high-alkali value (TBN400) synthesized calcium alkyl benzene sulfonate |
| 04/27/2011 | CN101279938B Alkyl phenol sulfonic polyethenoxy ether sodium monosulfosuccinates and preparation thereof |
| 04/27/2011 | CN101279935B Alkyl phenol sulfonic polyoxyethylene ether carboxylate and preparation thereof |
| 04/27/2011 | CN101190890B 5-[(2R)-[2-[2-[2-(2,2,2-trifluoroethoxyl)phenoxyl]ethyl]amino]propyl]-2-methoxylbenzsulfamide |
| 04/21/2011 | US20110092715 Process For Making Fatty Amides |
| 04/20/2011 | CN102020596A Desalination refining method in production of petroleum sulfonate |
| 04/20/2011 | CN102020595A Ethylene glycol bis-sulpho succinic acid bis(4-methyl-2-amyl) ester sodium and production method thereof |
| 04/20/2011 | CN102020594A Method for preparing heptadecafluorooctanesulfonic acid tetraethylammonium salt |
| 04/20/2011 | CN101279939B Synthetic method of 8,8'-2- phenylamino-5,5'2-naphthyl-1,1'-2-sulphonate |
| 04/13/2011 | EP1513801B1 Fluorosulfates of hexafluoroisobutylene and its higher homologs and their derivatives |
| 04/13/2011 | CN102010353A New method for preparing rasagiline mesylate |
| 04/13/2011 | CN102010352A Method for synthesizing N-sulfimide by using ammonia water as nitrogen source |
| 04/13/2011 | CN101480600B Combined construction of reactor and cold separation pot for producing amino acid product |
| 04/13/2011 | CN101321582B Method and device for the sulfonation or sulfation of sulfonatable or sulfatable organic substances and for performing faster, strongly exothermic gas/liquid reactions |
| 04/07/2011 | WO2011040963A1 Highly z-selective olefin metathesis |
| 04/07/2011 | WO2011040497A1 Method for producing perfluorosulfonic acid having ether structure and derivative thereof, and surfactant containing fluorine-containing ether sulfonic acid compound and derivative thereof |
| 04/07/2011 | CA2776035A1 Highly z-selective olefin metathesis |
| 04/06/2011 | EP1928819B1 A single pot process for the preparation of diazonaphthoquinonesulfonyl ester |
| 04/06/2011 | CN102002065A Method for preparing tapentadolhydrochloride and intermediate thereof |
| 04/06/2011 | CN102001975A Ethylene glycol bi-sulpho succinic acid bi(2-methyl amyl) artesunate and production method thereof |
| 04/06/2011 | CN102001974A Process for extracting and preparing taurine from laver |
| 04/06/2011 | CN102001973A Method for preparing and refining 1,3-propanedisulfonate |
| 04/06/2011 | CN102001949A 3,5-dimethoxystilbene derivative, preparation method and application thereof in anti-drug resistant bacteria |
| 04/05/2011 | CA2572577C Synthesis of acyclic nucleoside derivatives |
| 03/31/2011 | WO2011037975A2 Method of manufacture and use of large hydrophobe ether sulfate surfactants in enhanced oil recovery (eor) applications |
| 03/31/2011 | WO2011037613A1 Crystalline forms and processes for the preparation of pgi2 receptor agonists |
| 03/31/2011 | WO2011000461A3 Continuous method for acylating amino group-carrying organic acids |
| 03/31/2011 | US20110077421 Highly z-selective olefins metathesis |
| 03/31/2011 | CA2773922A1 Method of manufacture and use of large hydrophobe ether sulfate surfactants in enhanced oil recovery (eor) applications |
| 03/30/2011 | EP2300637A1 Absorbent solution containing a degradation inhibitor having a thiocarbonyl functional group and method for limiting the degradation of an absorbent solution |
| 03/30/2011 | EP2300421A1 Method for the sulphonylation of a hydroxylated organic compound |
| 03/30/2011 | EP2300420A2 Sulphates of polyhydric alcohols, polyols, saccharides and polysaccharides for agricultural applications |
| 03/30/2011 | CN101993398A Method for preparing 1,8-diamido-3,6-naphthalene disulfonic acid by catalytic hydrogenation |
| 03/30/2011 | CN101993397A Method for preparing alkyl aromatic ferric sulfonate |
| 03/30/2011 | CN101993378A Amido-containing ionic liquid used for absorbing acidic gases and preparation method and application thereof |
| 03/30/2011 | CN101993373A Chlorinated glaucocalyxin A derivative and preparation method and application thereof |
| 03/30/2011 | CN101591404B Application of 1-halogeuated carboxylic acid-n-(2 or 3-sulfonic carboxylic acid) diol diester |
| 03/30/2011 | CN101121678B Method for preparing D-(+)-3-bromkampfer-10-sulfonic acid |
| 03/29/2011 | CA2543250C Process for the preparation of ccr-2 antagonist |
| 03/24/2011 | WO2011014553A3 Improved process for the sulfochlorination of hydrocarbons |
| 03/22/2011 | CA2397294C Glyburide composition |
| 03/17/2011 | WO2011030921A1 Biphenyltetrasulfonic acid compound, method for producing same, polymer and high-molecular electrolyte |
| 03/17/2011 | WO2010099532A8 Purification of 5-sulfoisophthalic acid by the use of an acetic acid wash on a crude cake |
| 03/16/2011 | EP2295392A2 Alkylated aromatic composition for the preparation of carbonated, overbased aromatic sulfonates |