Patents
Sitemap › C07 - Organic chemistry › C07B - General methods of organic chemistry; Apparatus therefor › C07B 63 - Purification; Separation specially adapted for the purpose of recovering organic compounds; Stabilisation; Use of additives
Patents for C07B 63 - Purification; Separation specially adapted for the purpose of recovering organic compounds; Stabilisation; Use of additives (4,057)
12/2003
12/11/2003WO2003101610A1 Adsorbent bed loading and regeneration
12/11/2003WO2002100802A3 Fluorous triphase and other multiphase systems
12/11/2003CA2488031A1 Adsorbent bed loading and regeneration
12/10/2003EP1369167A1 Process for the preparation of a thin zeolitic membrane
12/10/2003EP1053219B1 Improved separation processes
12/10/2003CN1460667A Pineapplie leaf extract, its preparation method and application
12/10/2003CN1130380C Method for reducing C1-C2-aldehyde content formed from compounds with CH2-CHR-O or CH2-CH(OH)-groups
12/10/2003CN1130340C Stabilization of thioacetic acid
12/09/2003US6660181 Inhibition of polymerization of unsaturated monomers
12/03/2003CN1129566C Process for crystallisation of sterically hindered compound
11/2003
11/27/2003WO2003097626A1 Manufacture of ascorbic acid esters
11/26/2003CN1458145A Process for purifying high purity dimethyl sulfoxide, and dimethyl sulfoxide and amine mixture
11/26/2003CN1457913A Mild distilling and separating method for mixture
11/26/2003CN1128646C Method and vaporizer for vaporizing oxidation sensitive compounds
11/25/2003US6653414 Adding to said monomer an effective amount of a mixture comprising at least one stable hindered nitroxyl compound and one quinone or hydroquinone inbibitor
11/19/2003EP1362625A1 Process for carefully separating a substance mixture by distillation
11/18/2003US6649028 Column treating process and apparatus thereof
11/12/2003EP1360002A2 Improved metal-ligand complex catalyzed processes
11/11/2003US6647358 Pharmacokinetic-based drug design tool and method
11/11/2003US6646171 Process for the crystallization of sterically hindered compounds
11/05/2003CN1454192A Crystal refiner and method
10/2003
10/30/2003WO2003089399A1 Improvements in or relating to separation technology
10/30/2003CA2483191A1 Extraction process for separation of lipophilic compounds from urea-containing solutions
10/29/2003EP1355877A1 Process of obtaining compositions of stable lutein and lutein derivatives
10/28/2003US6639026 Adding aminophenol compound and nitroxyl radical compound for polymerization inhibition of olefins and diolefins
10/23/2003WO2003043960A3 IMPROVED PURIFICATION OF 4, 4'(5')-DI-t-BUTYLCYCLOHEXANO-18-CROWN-6
10/23/2003WO2003002237A3 Use of membranes to separate organic liquids having different polarities
10/23/2003US20030199723 Drying the stream of hydrocarbon containing water with an ionic liquid drying agent containing a trialkylammonium or triethanolammonium salt of sulphuric acid being in liquid or melted form at a drying temperature
10/22/2003EP1354863A1 Continuous process for the removal of water from a hydrocarbon stream
10/22/2003EP1353888A1 A recovery method
10/22/2003EP0976702B1 Method for inhibiting polymerization of a vinyl compound
10/22/2003CN1450074A Process for extracting coptis total alkaloid and new use thereof
10/21/2003US6635148 Method for refining easily polymerizable matter-contained substance and apparatus therefor
10/16/2003WO2003062171A3 Method for the separation of acids from chemical reaction mixtures by means of ionic fluids
10/15/2003CN1124263C Stabilised monomer composition
09/2003
09/30/2003US6626982 Compound storage
09/30/2003CA2102697C Pyrrolidine derivatives, preparation thereof and drugs containing same
09/25/2003WO2003017930A3 Reagents that facilitate the purification of compounds synthesized on a solid support
09/25/2003US20030181737 Supercritical extraction of taxanes
09/25/2003US20030181432 Particularly particles of therapeutically useful or carrier substances of a size suitable for inhalation therapy
09/24/2003EP1346757A1 Liquid-liquid extraction of polar organic substances from their aqueous solutions with fluorinated extracting liquids
09/23/2003US6623659 Separation of olefins from paraffins using ionic liquid solutions
09/23/2003CA2091651C Agent for suppresion and interception of mailard reaction
09/18/2003WO2003076053A2 A separation method and separation apparatus of isotopes from gaseous substances
09/18/2003US20030173310 Liquid-liquid extraction of polar organic substances from their aqueous solutions with fluorinated extracting liquids
09/18/2003CA2478207A1 A separation method and separation apparatus of isotopes from gaseous substances
09/17/2003CN1443137A Chemical process
09/17/2003CN1121250C Process for decomposing halogen ester group hydrocarbon compound or aromatic compound and device thereof and process for purifying waste gas and device for this method
09/16/2003US6620958 Via reacting ethylene carbonate and methanol to form dimethylcarbonate to change permeability
09/12/2003WO2003074494A1 Halogen-free ionic liquids
09/12/2003WO2003027048A3 Dehydration of fluorinated organic compounds
09/11/2003US20030171568 Diagnosing tumor or cancer in a mammal, and inflammatory diseases or disorders; inflammatory bowel disease, colon cancer; immunoassay, immunotherapy
09/10/2003EP1342706A1 Method for producing molecular compound
09/10/2003EP1202950B1 Recovery of polyunsaturated fatty acids from urea adducts
09/09/2003US6616815 Method of decomposing halogenated aliphatic hydrocarbon compounds or aromatic compounds and apparatus to be used for the same as well as method of clarifying exhaust gas and apparatus to be used for the same
09/04/2003WO2001068252A3 Improved metal-ligand complex catalyzed processes
09/04/2003US20030164286 Contacting under irradiation with light a medium containing at least one of a halogenated aliphatic hydrocarbon compound and an aromatic compound with functional water produced by electrolysis of water containing an electrolyte
08/2003
08/28/2003WO2003070667A1 Method for separating substances by extraction or by washing them with ionic liquids
08/28/2003US20030162226 High speed screening; resolution of enantiomorphs by crystallization; bioavailability
08/27/2003EP1337605A1 Removal of mercaptans from hydrocarbon streams using ionic liquids
08/27/2003EP0912471B1 Polymerisation inhibitor
08/26/2003US6610888 Setting concentration of components in equilibrium reaction to control selectivity
08/20/2003EP1135110B1 Preparation of dry compositions soluble in the presence of water and avoiding maillard reaction in dry state and uses
08/20/2003CN1436784A Extractant, extraction process and analysis method of high-activity ginkgo leaf extractive
08/19/2003CA2072400C Supercritical extraction of taxanes
08/14/2003US20030153760 Treating 1-(3,5- bis(trifluoromethyl)phenyl)ethan-1-one with bis((pentamethylcyclopentadienyl)rhodium chloride) and (S,R)-cis-1-amino-2-hydroxy-indane in the presence of isopropanol
08/14/2003US20030153654 Macromolecular hals with a definite molecular weight
08/13/2003CN1435424A High content ginkgo extract and process for producing same
08/13/2003CN1117752C Method for purifying and crystallizing vitamin B2
08/07/2003US20030149097 Storage-stable compositions of glycerol monoalkyl ethers
08/06/2003EP1332196A1 Blends of quinone alkide and nitroxyl compounds as polymerization inhibitors
08/06/2003CN1434019A Process for on-line extracting and concentrating organic acid in organic acid fermentation
07/2003
07/31/2003WO2003062251A1 Method for the separation of acids from chemical reaction mixtures by means of ionic fluids
07/31/2003WO2003062171A2 Method for the separation of acids from chemical reaction mixtures by means of ionic fluids
07/30/2003EP1331215A1 Method for separation of reaction products from catalysts
07/24/2003WO2003059824A1 Purification of onium hydroxides by electrodialysis
07/24/2003US20030138847 Compressed tablets comprising divinylbenzene-styrene beads within disintegrate in solvent; combinatorial chemistry
07/23/2003EP1329259A2 Continuous method for hydrolysis of a solvent containing organic compound
07/23/2003EP1255697B1 Method for recovering rhodium from reaction products of oxosynthesis
07/22/2003US6596129 Distillation process for easily polymerizable substance-containing solution
07/17/2003WO2003057652A1 Water stripping and catalyst/liquid product separation system
07/17/2003US20030133997 Using solid phase synthesis method from crude extracts of natural products including herbal drugs
07/17/2003US20030131784 Process for the crystallization of non-sucrose substances
07/17/2003CA2471489A1 Water stripping and catalyst/liquid product separation system
07/16/2003EP1326943A2 C-nitrosoaniline compounds and their blends as polymerization inhibitors
07/16/2003EP1326815A1 Removal of polar contaminants from aromatic feedstocks
07/09/2003EP1324969A1 Method for stabilising acrylic monomers
07/09/2003EP1324811A1 Method and device for carrying out the distillative separation of c 5+? cuts
07/09/2003CN1429189A Separation of reaction products containing organophosphorus complexes
07/08/2003US6589495 Process for reducing the levels of halogenated hydrocarbons
07/03/2003US20030125590 For effecting reactions and/or separations using organic molecule, moiety or group having a domain or a portion thereof rich in carbon-fluorine bonds
07/03/2003US20030125396 Water stripping and catalyst/liquid product separation system
07/03/2003US20030124615 Thromoboxane B2 metabolite and methods for regulating aspirin-related platelet action
07/03/2003US20030121787 Using electrolytic cells; supplying electric current; ion exchanging
07/02/2003EP1322958A2 Selective binding materials
07/02/2003EP1322574A1 Method for removing dissolved metals from organic fluids and cleaning agent suited therefor
07/02/2003CN1427809A Nitroaromatic solubilizer for nitroxyls in aromatic solvents
07/02/2003CN1427808A Improved separating method
07/02/2003CN1427807A Improved separation method
07/02/2003CN1427743A Form of polymer carrier its use in organic chemical synthesis and producing process
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