| 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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| 08/01/2013 | US20130197256 Method for the preparation of graphene |
| 07/31/2013 | CN103228624A Method for the preparation of (3s, 3s') 4,4'-isulfanediylbis (3-aminobutane 1-sulfonic acid) |
| 07/31/2013 | CN103224622A Double-bond-containing alcohol ether sulfate and production method thereof |
| 07/31/2013 | CN103224459A Method for producing fatty acid methyl ester sulfonate by using waste oil |
| 07/31/2013 | CN102190604B Method for preparing petroleum sulfonate |
| 07/31/2013 | CN102186890B Fluorine-containing sulfonates having polymerizable anions and manufacturing method therefor, fluorine-containing resins, resist compositions, and pattern-forming method using same |
| 07/31/2013 | CN102070493B Method for preparing fluorine-containing lubricating oil additive |
| 07/31/2013 | CN102030683B Sitagliptin intermediate and preparation method and application thereof |
| 07/31/2013 | CN101838225B Sulfonylation methods of amine and derivative thereof |
| 07/31/2013 | CN101818056B Dansyl molecular probe and synthetic method and application thereof |
| 07/25/2013 | US20130190501 Processes for the preparation of 4'-[3-[4-(6-fluoro-1,2-benzisoxazol-3-yl)piperidino]propoxy]-3'-methoxyacetophenone and intermediates thereof |
| 07/24/2013 | CN103215019A Preparation and applications of surfactant for alcohol amide-sulfate composite type alkali-free oil displacement |
| 07/24/2013 | CN103214467A 5-[[4-[(2, 3-dimethyl-2H-indazole-6-yl) methylamino]-2-pyrimidyl] amino]-2-methyl-benzsulfamide derivative and preparation method and applications thereof |
| 07/24/2013 | CN103214403A Method for preparing nonylphenol polyoxylethylene ether sodium sulfate surface active agent by gaseous sulfur trioxide sulfation |
| 07/24/2013 | CN103214402A Method for directly preparing glycidol from glycerol |
| 07/24/2013 | CN102557993B Preparation method of oxidant as well as doping agent for synthesizing conductive high polymer |
| 07/24/2013 | CN102408363B Method for synthesizing busulfan |
| 07/24/2013 | CN102093266B Method for preparing O-tosyl-2-carbamoyl-2-methoxyl-imido-acetamido-oxime |
| 07/18/2013 | WO2013104774A1 PREPARATION OF OPTICALLY PURE ß-AMINO ACID TYPE ACTIVE PHARMACEUTICAL INGREDIENTS AND INTERMEDIATES THEREOF |
| 07/17/2013 | EP2615080A1 Preparation of Optically Pure ß-Amino Acid Type Active Pharmaceutical Ingredients and Intermediates thereof |
| 07/17/2013 | EP2614048A1 Purification of fluoroalkanesulfonate salts |
| 07/17/2013 | CN103204786A Co-catalyzing preparation method of alpha, betal-diamino acid derivative of alpha-quaternary carbon |
| 07/17/2013 | CN103204785A Dehydration method of sodium allylsulfonate |
| 07/17/2013 | CN102391159B Process and system for recovering sulfonic acid mother liquor by dewatering |
| 07/17/2013 | CN102070496B Preparation method of alpha-fatty acid methyl ester sulfonate |
| 07/17/2013 | CN102070494B Preparation method of fluorine-containing sulfoacid |
| 07/17/2013 | CN101851182B Salt-free preparation method for substituted taurine |
| 07/17/2013 | CN101597246B Preparation method of 2-(3, 3, 3-trifluoro propyl) benzsulfamide (I) and midbody thereof |
| 07/11/2013 | WO2013054273A9 Process for the preparation of agomelatine |
| 07/11/2013 | US20130178649 Sulfonic acid group-containing diamine compound and method for producing the same |
| 07/10/2013 | CN103196874A Aggregation-induced emission (AIE) illuminant?Cbased urine protein detection device for monitoring health of people |
| 07/10/2013 | CN103193727A Preparation method based on (R)-4-phenyl-1,3-thiazolidine-2-sulfur ketone chiral ionic liquid |
| 07/10/2013 | CN103193700A Benzenesulfonic acid levamlodipine crystal and pharmaceutical composition containing same |
| 07/10/2013 | CN103193691A Sulfonamide compound and medicinal compositions thereof, and preparation methods and applications thereof |
| 07/10/2013 | CN103193690A Method for preparing 4, 4'-diamido stilbene-2, 2'-disulfonic acid |
| 07/10/2013 | CN103193689A Hexadecyl toluene sulfonate for flooding and preparation method thereof, surfactant and application thereof |
| 07/10/2013 | CN103193688A Industrial product of hexadecyl xylol sulfonate and production method thereof, surfactant and application thereof |
| 07/10/2013 | CN103193687A Method for preparing sulfonyl chloride in environment-friendly mode |
| 07/10/2013 | CN103193230A Ionic liquid gas hydrate accelerant |
| 07/10/2013 | CN103191767A Preparation method of nitrogen doped carbon material protection acid-resistant hydrogenation catalyst and catalyst prepared through same |
| 07/10/2013 | CN103191759A Regeneration method of Pd/C catalyst and application of regenerated Pd/C catalyst |
| 07/10/2013 | CN102363603B Method for preparing 4-acrylamido benzenesulfonic acid sodium salt |
| 07/10/2013 | CN102277387B Gene vector system and preparation method thereof |
| 07/10/2013 | CN102108057B Method for preparing adamantane sulfonyl chloride by using adamantane sulfinyl chloride |
| 07/04/2013 | US20130172589 Surface Active Agents Derived from Biodiesel-Based Alkylated Aromatic Compounds |
| 07/03/2013 | CN203030265U Device for continuously preparing isophthalic disulfonic acid |
| 07/03/2013 | CN103189352A Process for producing optically active [beta]-amino aldehyde compound |
| 07/03/2013 | CN103183819A Allyl sulfonic glycerin polyoxyethylene ether and preparation method thereof |
| 07/03/2013 | CN103183623A A group of benzene sulfonamido benzamide derivatives, and preparation and application thereof |
| 07/03/2013 | CN103183622A 2-ammonium sulphonate methyl benzoate and synthetic process thereof |
| 07/03/2013 | CN103183621A Calix[4]arene derivative, non-phosphorus scale inhibition, dispersion and corrosion inhibition agent, preparation method and application |
| 07/03/2013 | CN102464797B Enether monomer, water-soluble thermothickening copolymer, preparation method, application thereof |
| 07/03/2013 | CN102295584B Modification method of isooctyl oleate |
| 07/03/2013 | CN102199161B Benzene sulfonic acid clopidogrel with crystal form I, preparation method thereof and application thereof |
| 07/03/2013 | CN101863792B Amide oligomer and polyamide paste rheological aid prepared by swelling same |
| 07/03/2013 | CN101845004B Method for preparing p-toluenesulfonic acid by toluene sulfonation |
| 07/03/2013 | CN101838226B Method for preparing natural taurine |
| 07/02/2013 | US8476456 Process for the preparation of 4-(imidazol-1-yl)benzenesulfonamide derivatives |
| 06/27/2013 | WO2013093075A1 Process for preparing an internal olefin sulfonate |
| 06/27/2013 | US20130165654 Processes for preparing pemetrexed |
| 06/27/2013 | US20130161014 Amine adducts, derivatives thereof, methods for making such adducts and derivatives, and methods for using such adducts and derivatives |
| 06/26/2013 | CN103173261A Hydroxyl imidazole functionalized ionic liquid lubricant and preparation method thereof |
| 06/26/2013 | CN103173198A Amphoteric gemini surfactant capable of being used as oil displacement agent |
| 06/26/2013 | CN103173197A Gemini surfactant, preparation method thereof, and application thereof in tertiary oil recovery |
| 06/26/2013 | CN103172548A Preparation method and application of methanesulfonamide compound |
| 06/26/2013 | CN103172547A Preparation and application of sulfamide derivative |
| 06/26/2013 | CN103172540A Phenylglycine histone deacetylase inhibitor as well as preparation method and applications thereof |
| 06/26/2013 | CN103172523A Method for realizing selective N-methylation of primary amine |
| 06/26/2013 | CN102585171B Ether chain substituted conjugate polycationic electrolyte material and application thereof |
| 06/26/2013 | CN101973915B Intermediate of synthetic imipenem medicine as well as preparation method and application thereof |
| 06/25/2013 | CA2575851C Removal of alkyl alkanesulfonate esters from alkanesulfonic acids and other organic media |
| 06/20/2013 | WO2013087594A1 A process for manufacturing haloaryl compounds from mixtures of isomers of dihalodiarylsulfones |
| 06/20/2013 | WO2013086980A1 Sulfonylurea guanidine, preparation method and use thereof |
| 06/20/2013 | US20130158270 Process for the manufacture of dabigatran etexilate |
| 06/19/2013 | CN103160257A Fluorocarbon surfactant, and preparation method and application thereof |
| 06/19/2013 | CN103159701A Method for synthesizing functionalized ionic liquid containing ester groups |
| 06/19/2013 | CN103159674A 2-benzene alkyl amid compound and preparation method, medical composition and use thereof |
| 06/19/2013 | CN103159651A Sulfonylurea guanidine and preparation method and application thereof |
| 06/19/2013 | CN103159650A Preparation and application of aromatic heterocyclic sulfonamide compound |
| 06/19/2013 | CN103159649A Preparation of sulfonamides compounds and application of sulfonamides compounds |
| 06/19/2013 | CN103159648A Bensulfuron-methyl universal hapten, artificial antigen, preparation method and application thereof |
| 06/19/2013 | CN102491922B Bishydroxyl sulfoacid betaine surface active agent and synthesis method thereof |
| 06/19/2013 | CN102167695B Benzimidazole-carbonyl-pyridine-amino-ehtyl-propionate hemihyrate and its use |
| 06/19/2013 | CN102086165B Application of Pd catalyst in hydrogenation process for producing doxycycline |
| 06/19/2013 | CN102010353B Method for preparing rasagiline mesylate |
| 06/19/2013 | CN101874017B 2-acrylamide-2-methylpropanesulfonic acid and process for producing the same |
| 06/19/2013 | CN101747242B Method for preparing bi-(sulfonyl fluoride) imine and (fluorinated alkyl sulfonyl fluorine sulfonyl) imine alkali metal salt |
| 06/19/2013 | CN101671220B Method for preparing sulfamide as intermediate of sulfonylurea herbicide |
| 06/13/2013 | US20130150574 Process for the manufacture of chiral catalysts and their salts |
| 06/13/2013 | US20130149244 Compositions, methods, and systems for the synthesis and use of imaging agents |
| 06/12/2013 | CN202989022U Device for preparing powdery alpha-olefin sulfonate |
| 06/12/2013 | CN202983283U Sodium alkyl sulfate powder processing device |
| 06/12/2013 | CN103145708A Method for preparing surface indole diketone and derivative thereof |
| 06/12/2013 | CN103145593A Preparation method of 4,4'-diaminobenzenesulphonamide |
| 06/12/2013 | CN103145592A Process for purifying special reagent sodium dodecyl sulfonate for ion pair chromatography |
| 06/12/2013 | CN103145591A Ion pair chromatographic-grade reagent sodium 1-octanesulfonate purifying process |
| 06/12/2013 | CN102584647B Industrial production method for toluene sulfonamide |
| 06/12/2013 | CN102389807B Multi-metal supported catalyst, and preparation and application thereof |
| 06/12/2013 | CN102351749B Benzenesulphonate anionic gemini surfactant and preparation method thereof |
| 06/12/2013 | CN102276708B Method for continuously preparing protein, polysaccharide, amino acid, taurine and polypeptide from laver |