| 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) |
|---|
| 09/18/2013 | CN103304061A Treatment method of wastewater generated in production of beta-naphthalene sulfonic acid |
| 09/18/2013 | CN102993061B Preparation method of 2,7-sodium naphthalenedisulfonate product using transforming production of 1,6-naphthalenedisulfonic mother liquid |
| 09/18/2013 | CN102433564B Preparation method of Schiff-base corrosion inhibitor by condensation of o-oxy-acetate-benzaldehyde and substituted aniline |
| 09/18/2013 | CN102206293B Photoinitiator, UV curing coating and in mo1d decoration method |
| 09/18/2013 | CN102153481B Application of thionyl chloride and alcohol as selective deacylation reagents for N-aryl fatty amide or N-heterocyclic fatty amide |
| 09/18/2013 | CN101851181B Preparation method of 1-substituted taurine |
| 09/18/2013 | CN101798274B Application of amphoteric surfactant in tertiary oil recovery, preparation method and application method of surfactant |
| 09/18/2013 | CN101228118B Process for the synthesis of sulfonyl halides and sulfonamides from sulfonic acid salts |
| 09/12/2013 | WO2013132520A1 Cucn-mediated one pot production of cinnamonitrile derivatives |
| 09/11/2013 | CN203184004U Device for producing dispersant MF |
| 09/11/2013 | CN103288800A Dabigatran etexilate benzene sulfonate as well as preparation method and application thereof |
| 09/11/2013 | CN103288752A Cinnamic amide derivatives, their preparation methods and their application in preparation of bleeding stopping and stasis dissolving medicines |
| 09/11/2013 | CN103288722A High-selectivity synthesis method of secondary amine |
| 09/11/2013 | CN103288690A Method for preparing refined tobias acid from tobias acid wastewater |
| 09/11/2013 | CN103288689A Preparation method of 1-naphthylamine 8-sulfonic acid |
| 09/11/2013 | CN103288688A Preparation method of 1-naphthylamine 5-sulfonic acid |
| 09/11/2013 | CN103288687A Preparation method of fatty alcohol polyethenoxy ether sulfonate |
| 09/11/2013 | CN103288686A Preparation and production method of acyl alkyl isethionate composition |
| 09/11/2013 | CN102838232B Process for processing 2-sodium naphthalene sulfonate mother liquor by blowing and resin absorption |
| 09/11/2013 | CN102351851B 4-(5-dimethylaminothiophenevinyl)methylpyridine sulfonate, second-order nonlinear optical crystal of 4-(5-dimethylaminothiophenevinyl)methylpyridine sulfonate, and their preparation methods |
| 09/11/2013 | CN102276507B 4-tert-butylcalix[6]arene derivative as well as preparation method and application thereof |
| 09/11/2013 | CN101977894B Vinyl sulfonic acid, polymer thereof, and production method thereof |
| 09/10/2013 | US8530521 Nitrooxy cycloalkane derivatives |
| 09/10/2013 | CA2496363C Alkylated aromatic compositions, zeolite catalyst compositions and processes for making the same |
| 09/06/2013 | WO2013054273A3 Process for the preparation of agomelatine |
| 09/05/2013 | US20130231485 Crystal of 6,7-unsaturated-7-carbamoyl morphinan derivative and method for producing the same |
| 09/04/2013 | EP2633022A2 Hard surface cleaners based on compositions derived from natural oil metathesis |
| 09/04/2013 | EP2632891A1 Quaternized fatty amines, amidoamines, and their derivatives from natural oil metathesis |
| 09/04/2013 | CN103275697A Di-pyrene amphiphilic fluorescent probe and synthesis method and application thereof |
| 09/04/2013 | CN103275027A Synthesis method of alpha-keto amide compound |
| 09/04/2013 | CN103274973A Alkyl dinaphthyl ether sulfonate and preparation method thereof |
| 09/04/2013 | CN103274972A Synthesis method of zwitterion type modified asphalt emulsifier and modified emulsified asphalt containing emulsifier |
| 09/04/2013 | CN103274971A Purification method of 5-sulfosalicylic acid |
| 09/04/2013 | CN103274955A Synthesis method for betaine-type amphoteric ion compound containing reactive group |
| 09/04/2013 | CN101698653B Process for preparing high-purity methylsulfonic acid |
| 09/04/2013 | CN101516836B Process for preparing a sulphonic acid anhydride |
| 09/03/2013 | US8524644 Composition and method for forming coating film |
| 08/29/2013 | WO2013123633A1 Process for producing a sulfate salt of alkyl glyceryl ether |
| 08/29/2013 | US20130225825 Process for the preparation of tryptase inhibitors |
| 08/29/2013 | US20130225473 Sulfonates from natural oil metathesis |
| 08/28/2013 | EP2631253A2 Preparation of polymer, resulting polymer, resist composition, and patterning process |
| 08/28/2013 | EP2631228A1 Process for producing optically active b-amino aldehyde compound |
| 08/28/2013 | EP2630119A1 Use of an acetic acid wash to prepare low-sulfate 5-sulfoisophthalic acid, mono-lithium salt |
| 08/28/2013 | CN203159512U Acid gas extraction device in petroleum sulfonate production |
| 08/28/2013 | CN203159511U Petroleum sulfonate production device |
| 08/28/2013 | CN103265560A Gossypol/ cotton ketone derivative and preparation method thereof and application of derivative in anti-tumor medicament |
| 08/28/2013 | CN103265463A Preparation method of N alkyl substituted sulfonamide compounds |
| 08/28/2013 | CN103265462A Alkoxy alkybenzene sulfonate and preparation method therof |
| 08/28/2013 | CN103265461A Alkyl (sulfophenoxy) benzenesulfonic acid disodiumsalt and preparation method thereof |
| 08/28/2013 | CN103265460A Alkyl diphenyl ether sulfonate and preparation method thereof |
| 08/28/2013 | CN103265459A Novel sodium houttuyfonate compound as well as preparation method and pharmaceutical composition thereof |
| 08/28/2013 | CN103265458A Alkoxy aryl sulfonate and preparation method thereof |
| 08/28/2013 | CN102320997B Para-acetylsulfanilamide synthesis method combined with waste water treatment |
| 08/28/2013 | CN102180911B Nitrogen-oxygen ligand with planar chirality and central chirality and metal complex thereof |
| 08/28/2013 | CN102153465B Method for preparing low acid-value fatty acid methyl ester |
| 08/28/2013 | CN102093320B Soluble epoxide hydrolase inhibitor |
| 08/28/2013 | CN101835745B Process for production of disulfonic acid compound, asymmetric mannich catalyst, process for production of beta-aminocarbonyl derivative, and novel disulfonate salt |
| 08/27/2013 | US8518998 Use of sulfonyl-substituted 2-sulfonylaminobenzoic acid N-phenylamides in the treatment of pain |
| 08/27/2013 | CA2583771C Method for cleaning 3-hydroxyamidinophenylalanine derivatives by the precipitation and recrystallization of salt and an aromatic sulfonic acid |
| 08/22/2013 | WO2013123240A1 Methods and compounds useful in the synthesis of orexin-2 receptor antagonists |
| 08/22/2013 | WO2013079507A3 Method for producing and purifying salts of acrylamido-2-methylpropane sulfonic acid |
| 08/22/2013 | US20130217876 Phosphine ligands for catalytic reactions |
| 08/21/2013 | CN103261153A Purification of precursor compound by crystallisation |
| 08/21/2013 | CN103261152A Process simplification for precursor compound |
| 08/21/2013 | CN103254204A Icotinib hydrochloride crystal form pharmaceutical composition and purpose |
| 08/21/2013 | CN103254154A Novel method for preparing mesylate pridinol |
| 08/21/2013 | CN103254102A Method for purifying acrylamide alkyl sulfonic acid |
| 08/21/2013 | CN103254053A Alpha-fluoro-chalcone type compound and preparation and application thereof |
| 08/21/2013 | CN102351748B Preparation method for DNS (4,4'-dinitrostilbene-2,2'-disulphonic acid) sodium salt in DSD (4,4'-diaminodiphenylethylene-2,2'-disulfonic acid) acid production process |
| 08/21/2013 | CN102241612B Synthetic method of compound 2-cyclopropyl-1-(2-fluorophenyl)-2-carbonyl ethyl p-methylbenzensulfonate |
| 08/21/2013 | CN101365675B Preparation method of synthetic petroleum sulfonate |
| 08/15/2013 | WO2013118915A1 Processes for isolating fluorinated products |
| 08/15/2013 | US20130211139 Process for producing optically active beta-amino aldehyde compound |
| 08/15/2013 | US20130211120 Use of an acetic acid wash to prepare low-sulfate 5-sulfoisophthalic acid, mono-lithium salt |
| 08/15/2013 | US20130211116 Salts of 5-sulfoisophthalic acid and method of making same |
| 08/14/2013 | EP2625163A1 Method for the preparation of (3s,3s') 4,4'-disulfanediylbis (3-aminobutane 1-sulfonic acid) |
| 08/14/2013 | CN103249470A Process for reducing inorganics from anionic surfactant solutions |
| 08/14/2013 | CN103242476A Preparation method of acrylic polymer with fluorescence characteristic |
| 08/14/2013 | CN103242209A Preparation method of alpha-amido, delta-hydroxyl adipic acid derivatives |
| 08/14/2013 | CN103242208A Process for preparing 1, 4-diamino-anthraquinone-2, 3-disulfonic acid by nicotinic acid method |
| 08/14/2013 | CN103242207A Amide compound and drilling fluid drag reducer as well as preparation method of drilling fluid drag reducer |
| 08/14/2013 | CN103242206A Production process for preparing fatty acyl-N-sodium methyl taurate surfactant |
| 08/14/2013 | CN103242205A Tri-monomer preparation method capable of reducing waste water production |
| 08/14/2013 | CN103240034A Sulfonate type and sulfonate inner salt type fluorocarbon surfactant as well as preparation and applications thereof |
| 08/14/2013 | CN102702041B Agomelatine benzenesulfonic acid compound and preparation method thereof |
| 08/14/2013 | CN102452965B Method for removing polymerization inhibitor in AMPS (2-acrylamide-2-methyl propanesulfonic acid) raw material |
| 08/14/2013 | CN101863804B Preparation method of high-purity methylsulfonyl chloride |
| 08/14/2013 | CN101613308B Method for synthesizing p-acetamido benzene sulfonyl chloride by phosphorus pentachloride |
| 08/13/2013 | CA2477236C Amino-substituted sulfonanilides and derivatives thereof for treating proliferative disorders |
| 08/08/2013 | WO2009073426A3 Fluorinated alkanesulfonic acid anhydrides and processes for making the same |
| 08/08/2013 | US20130204021 Polyglycol ether-free sulphosuccinates based on polyglycerol partial esters and use thereof |
| 08/08/2013 | DE19755201B4 Verfahren zur Herstellung von CI Direct Yellow 11 (40 000) aus 4-Nitrotoluol-2-sulfonsäure Process for the preparation of CI Direct Yellow 11 (40000) of 4-nitrotoluene-2-sulfonic acid |
| 08/07/2013 | CN103232396A Three selective ionic liquids and synthesizing method thereof |
| 08/07/2013 | CN103232372A Dyhydroxyl sulphonate hydrophilic monomer and preparation method thereof |
| 08/07/2013 | CN102050766B Synthesis method for amosulalol hydrochloride |
| 08/07/2013 | CN101735116B Sulfonated aromatic diamine and sulfonated polyimide resin and preparation methods thereof |
| 08/07/2013 | CN101511782B Process for production of sulfonic acid ester |
| 08/06/2013 | US8501937 Method of producing highly functionalized 1,3-diamino-propan-2-ols from solid support |
| 08/06/2013 | CA2654109C Preparation process for metallic dihydroxy benzene disulfonates |
| 08/01/2013 | US20130197260 Processes for the preparation of fesoterodine |