Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
05/2013
05/15/2013EP2590933A1 Process for making nitriles
05/15/2013EP2590932A1 Process for making nitriles
05/15/2013CN1533220B Organic electroluminescent device, amino styryl naphtahalenc compound and its synthetic intermediate, and preparation of above compound and intermediate
05/15/2013CN103108858A Processes for producing hexamethylenediamine (hmd), adiponitrile (adn), adipamide (adm) and derivatives thereof
05/15/2013CN103102287A Production process for preparing chlorobenzonitrile through ammoxidation
05/15/2013CN103102286A Triphenylamine derivatives as well as preparation method and application thereof
05/15/2013CN103102285A Preparation method of p-aminophenylacetonitrile
05/15/2013CN103102232A Styryl-based compound, composition containing styryl-based compound, and organic light emitting diode including styryl-based compound
05/14/2013US8440852 Method for producing tetraethylenepentamine
05/10/2013WO2013065189A1 Method for preventing decrease in optical purity
05/09/2013US20130116465 Allyl 2-cyanoacrylate prepolymer, preparation method thereof, and bioadhesive composition comprising the prepolymer
05/08/2013CN103097345A New process
05/08/2013CN103097344A Method for producing 2-cyanoacetic acid anhydride and further reaction products thereof
05/08/2013CN103097343A Process for making nitriles
05/08/2013CN103097342A Process for making nitriles
05/08/2013CN103097014A Gaseous phase exothermic reaction method and gaseous phase exothermic reaction device
05/08/2013CN103086918A Toluylene nitrile derivative with D-A structure and synthesis method and application thereof
05/08/2013CN103086917A Synthetic method of aromatic organic cyanide
05/08/2013CN103086400A Environment-friendly clean process method for producing hydrocyanic acid derivatives by purge gas
05/08/2013CN102040193B Method for preparing organic micromolecule nano ring and nano tube
05/08/2013CN102001967B Method for synthesizing para-cyanobiphenyl
05/08/2013CN101891649B Novel 3-cyano methyl benzoate preparing method
05/08/2013CN101774944B Acetonitrile production process
05/08/2013CN101585784B Method for purifying sartan side chain compound
05/07/2013CA2509522C Ligands for metals and improved metal-catalyzed processes based thereon
05/01/2013CN103080076A Process for making nitriles
05/01/2013CN103080075A Process for making nitriles
05/01/2013CN103080074A Process for making nitriles
05/01/2013CN103073450A Solid forms of selective androgen receptor modulators
05/01/2013CN102259021B Molecular sieve type solid alkali catalyst and preparation method thereof
05/01/2013CN101935291B Cyano phthalic diamide compounds, preparation method thereof and use thereof as agricultural chemical pesticide
05/01/2013CN101531616B Method for preparing effective ingredient with antitussive effect, namely 4-Hydroxybenzyl cyanide
05/01/2013CN101417962B Method for preparing 2-cyano-3-amino acrylic ester derivates
04/2013
04/30/2013CA2747699C Method for synthesizing an omega-amino acid or ester from a monounsaturated fatty acid or ester
04/25/2013WO2013057743A1 Process for the preparation of an aryl oxime and salts thereof
04/24/2013EP2583958A1 Ligands for metals and improved metal-catalyzed processes based thereon
04/24/2013EP2582662A1 Process for making nitriles
04/24/2013EP2582661A1 Process for making nitriles
04/24/2013EP2582657A1 Processes for producing hexamethylenediamine (hmd), adiponitrile (adn), adipamide (adm) and derivatives thereof
04/24/2013EP2582653A1 Processes for producing hexamethylenediamine (hmd), adiponitrile (adn), adipamide (adm) and derivatives thereof
04/24/2013CN202898268U Equipment for washing acetonitrile-containing raffinate C5
04/24/2013CN103059875A Liquid crystal compound, and liquid crystal display
04/24/2013CN103058886A Poly-fluorine poly-cyanogen liquid crystal compound as well as preparation method and application thereof
04/24/2013CN103058885A Isophorone nitrile production method using acrylonitrile byproduct hydrocyanic acid continuous reaction
04/24/2013CN103058884A Method for synthesizing 1-hydroxymethyl cyclopropyl acetonitrile
04/24/2013CN103055938A An acid-base bifunctional graphene-based nano heterogeneous catalyst and a preparation method thereof
04/24/2013CN102276446B Method for preparing potassium dihydrogen citrate (malononitrile alloy (I)) for gold plating and monohydrate thereof
04/24/2013CN102225902B Processes for the preparation of 4-[[4-[[4-(2-cyanoethenyl)-2,6-dimethylphenyl]amino]-2-pyrimidinyl]amino]benzonitrile
04/24/2013CN101906007B Preparation method of organic azide
04/24/2013CN101857518B Green synthesizing method of aryl bromide
04/24/2013CN101830830B Method for extracting, distilling and separating acetonitrile-phenylmethane by utilizing dividing-wall rectifying tower
04/24/2013CN101743217B Coproduction of cyclic carbonates and of nitriles and/or of fatty amines
04/24/2013CN101665451B Acrylonitrile purifying unit
04/24/2013CN101622223B Method for producing ethyleneamines
04/17/2013EP2581364A1 Separation of 6-aminocapronitrile and hexamethylenediamine from a mixture comprising hexamethylenediamine, 6-aminocapronitrile and tetrahydroazepinne
04/17/2013CN202876546U S-4-chloro-3-hydroxybutyronitrile high-vacuum rectification vacuum pump exhaust material collecting device
04/17/2013CN103044286A Synthetic method of malononitrile
04/17/2013CN103044244A Pyrene D-pi-A type asymmetric disc dye compound
04/17/2013CN103041838A Catalyst for preparing 2, 6-dichlorobenzonitrile from 2, 6-dichlorotoluene by means of ammoxidation
04/17/2013CN102234276B Preparation method of optical isomer of stepholidine or its derivative and intermediate used in the method
04/17/2013CN101909745B Process for producing oxide catalyst
04/17/2013CN101880241B Method for preparing 2-(substituted phenyl) methylamino-3-nitrobenzene methyl formate by one-pot method
04/17/2013CN101811918B Method for preparing diphenyl acetylene class compound in eutectic ionic liquid
04/17/2013CN101768037B Method for generating 1,2-diketone by oxidizing alkyne with ruthenium compound as catalyst
04/17/2013CN101628872B New method for preparing functionalised benzocyclobutenes and its application in the synthesis of ivabradine and its addition salts
04/17/2013CN101500988B Method for producing 3-pentenenitrile by means of the hydrocyanation of 1,3-butadiene
04/11/2013WO2013052610A1 Process for making nitriles
04/11/2013WO2013050301A1 Enantionselective processes to insecticidal 3-aryl-3-trifluoromethyl-substituted pyrrolidines
04/11/2013US20130090452 Process for preparing eddn and/or edmn by conversion of fach and eda
04/10/2013CN103030575A Double-cyano acidamide compound, and synthetic method and application of compound
04/10/2013CN103030574A Cyano acidamide compound, and synthetic method and application of compound
04/10/2013CN102010278B Preparation method of diphenylethene or derivatives thereof
04/10/2013CN101693675B Method of preparing o-amino benzonitride and derivant thereof with pot
04/10/2013CN101665394B Method for directly preparing alpha-fluoro acetophenone by acetophenone one-pot method
04/10/2013CN101530806B Catalyst for synthesizing acrylonitrile and process for producing acrylonitrile
04/10/2013CN101524645B Catalyst for producing acrylonitrile and process for producing acrlyonitrile
04/10/2013CN101492395B Dry receiving preparation method for halogeno-benzene nitrile
04/09/2013CA2555453C Cross-coupling process for production of aromatic compounds from aliphatic organic compounds and aromatic organometallic reagents
04/04/2013WO2013048646A1 Process for the (amm)oxidation of lower molecular weight alkanes and alkenes
04/04/2013WO2013045524A1 Method for producing nitrile compounds from ethylenically unsaturated compounds
04/04/2013WO2012134898A3 Steam re-calcination of mixed metal oxide catalysts
04/03/2013EP2574191A1 Process for making nitriles
04/03/2013EP2574190A1 Process for making nitriles
04/03/2013EP2574189A1 Process for making nitriles
04/03/2013CN103025699A Processes for producing diaminobutane (dab), succinic dinitrile (sdn) and succinamide (dam)
04/03/2013CN103018237A Application of fast and high-selective hydrogen sulphide colorimetric probe
04/03/2013CN103012246A Double-branched chain aromatic amine and derivative and preparation method thereof
04/03/2013CN103012206A Double-fluoranthene organic semiconductor material as well as preparation method and application thereof
04/03/2013CN103012205A Preparation method of salicylonitrile
04/03/2013CN103012204A Preparation method of cyanobenzene
04/03/2013CN103012203A Improved method for preparing 4-phenyl-cyanophenyl
04/03/2013CN103012202A Preparation method of sartanbiphenyl
04/03/2013CN103012201A Synthetic method of 2-cyano-4'-methyl diphenyl
04/03/2013CN103012200A Compound with beta-secretase inhibition function, preparation method and applications thereof
04/03/2013CN103012199A Method for preparing hydrogen sulphide fast and highly selectively colorimetric probe
04/03/2013CN103012197A Preparation method of 3-pentenenitrile and preparation method of adiponitrile
04/03/2013CN103012027A Method for preparing diphenyl ether compound
04/03/2013CN102218334B Antimonial ammoxidation catalyst
04/03/2013CN101781234B Triphenylethylene compound containing cyanogen and preparation method thereof
04/03/2013CN101570494B N-phenyl-dichloroacetamide and derivatives as well as preparation method and application thereof
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 ... 144