Patents
Patents for C07B 63 - Purification; Separation specially adapted for the purpose of recovering organic compounds; Stabilisation; Use of additives (4,057)
02/2002
02/21/2002DE10038747A1 Simplified purification of alkenyl compounds to low APHA color indexes, involves at least two distillations with time gap of at least one day after the first distillation
02/14/2002WO2001007382A3 Improved metal-ligand complex catalyzed processes
02/14/2002US20020019521 Separation of olefinic isomers
02/14/2002US20020017496 Polluted air contacted with chlorine containing air, under light irradiation; functional water formed by electrolysis to effect regeneration and again fed to the chlorine generation region
02/14/2002DE10037774A1 Verfahren und Vorrichtung zur Gewinnung organischer Substanzen aus einem diese Substanzen enthaltenden Gasgemisch Process and apparatus for recovery of organic substances from a gas mixture containing these substances
02/13/2002EP1179359A2 Process and apparatus for removing organic substances from a gas mixture
02/13/2002EP1178945A1 Reactions using lewis acids
02/13/2002EP0871525B1 Liquid medium extraction purification method
02/13/2002CN1335296A Method for recovering crystal from sludge
02/07/2002WO2002010100A2 Recycle of nitroxyl-containing streams at low temperature
02/07/2002WO2002010097A1 A process for separating o- and p-substituted benzene compounds
02/07/2002CA2417147A1 Recycle of nitroxyl-containing streams at low temperature
02/05/2002US6344591 Bipyramidal or prismatic crystal structure; crystallizing a syrup having a maltitol content of >92% and a maltotriitol content of <1% controlling the crystal structure; free-flowing; antiagglomerants; foods; artificial sweeteners
02/05/2002US6344560 Nitroaromatic solubilizer for nitroxyls in aromatic solvents
01/2002
01/31/2002WO2001068251A3 Separation of reaction products containing organophosphorus complexes
01/31/2002WO2001068250A3 Separation of reaction products containing organophosphorus complexes
01/31/2002WO2001068248A3 Separation of reaction products containing organophosphorus complexes
01/31/2002US20020013662 Pharmacokinetic-based drug design tool and method
01/31/2002US20020013235 Comprises a cyclodextrin or a branched cyclodextrin and a vanillyl alcohol derivative, such as vanillyl-n butyl ether
01/29/2002US6342647 Inhibitors of polymerization of vinyl compounds
01/24/2002WO2002006291A1 Composition for scavenging acylation reagents and/or aldehyde
01/24/2002WO2001040149A3 Inhibition of polymerization of unsaturated monomers
01/24/2002WO2001014289A3 Polymer-bound catalysts for use in carbon dioxide
01/24/2002US20020010550 Pharmacokinetic-based drug design tool and method
01/24/2002US20020007585 Transition-metal-catalyzed process for the preparation of sterically hindered N-substituted aryloxyamines
01/23/2002EP1173265A1 Sonic impinging jet crystallization apparatus and process
01/22/2002US6340414 Heat treatment, distillation
01/22/2002CA2203397C A method for inhibiting premature polymerization of vinyl aromatic monomers
01/16/2002EP1171212A2 Solvent extraction process
01/16/2002EP0815082B1 4-acylamino piperidin-n-oxyls
01/15/2002US6339182 Separation of olefins from paraffins using ionic liquid solutions
01/15/2002US6339177 Dinitroalkyl aromatics polymerization retarders or inhibitors and methods for making and for using same
01/10/2002WO2002002543A1 Method for producing a phenothiazine granulate with improved properties
01/10/2002WO2002002491A1 Method for producing squalene
01/10/2002WO2002002464A2 Chemical extraction process
01/10/2002US20020004612 Reacting ammonia and carbon dioxide
01/10/2002US20020003117 Process for recovering crystals from a slurry
01/10/2002DE10032166A1 Cosmetic or dermatological formulation, e.g. hair colorant or formulation for treating skin damaged by aging, oxidation or light, contains physiologically-compatible thiosulfonic acid, e.g. thiotaurine
01/10/2002DE10031994A1 Recovery of squalene, useful for producing squalene used as apolar oil body in cosmetics or pharmaceuticals, uses compressed gas for extraction from intermediate containing hydrocarbon from processing vegetable oil
01/09/2002EP1170284A2 Urea synthesis process and apparatus
01/09/2002EP1170280A2 Process for recovering crystals from a slurry
01/09/2002EP1169123A1 Encoding scheme for solid phase chemical libraries
01/03/2002WO2002000200A1 Novel process for preparing crystalline particles
01/03/2002WO2002000198A1 Process for preparing and harvesting crystalline particles
01/03/2002US20020000366 Stream of liquid stripping component (water), heat from reboiler vaporizes stream, removing vapor stream containing impurities overhead, then removing purified organic product
01/02/2002EP1167435A2 Inclusion compounds of vanillyl alcohol derivative in cyclodextrin and compositions containing the same
01/02/2002EP1165470A1 Formation, processing, transportation and storage of hydrates
01/02/2002EP1165467A1 Impurities separation by distillation
01/02/2002EP1165222A1 Chemical partitioning agents and methods of using same
12/2001
12/27/2001WO2001098239A1 Process for the purification of olefins
12/26/2001CN1328447A Process for producing particles with converted amorphous and/or meta-stable crystalline region into crystalline state
12/25/2001US6333426 Chiral adsorbents and preparation thereof as well as compounds on which the absorbents are based and preparation of the compounds
12/20/2001WO2001051919A3 High-throughput formation, identification, and analysis of diverse solid-forms
12/20/2001US20010052481 Inhibition of popcorn polymer growth
12/20/2001DE10028638A1 Storage-stable composition useful in cosmetic and pharmaceutical compositions comprises combination of glycerol monoalkyl ether with antioxidant
12/19/2001EP1163946A1 Process and system for decomposing pollutants
12/18/2001US6331320 Heating plant material with water in pressurized container, cooling, extracting tarr, isolating desired; used for perfumes, flavors, aroma components
12/18/2001CA2160725C Process for the preparation of a tetrazole derivative in two crystalline forms and novel crystalline form of said derivative
12/13/2001WO2001093825A1 Storage-stable compositions of glycerol monoalkyl ethers
12/12/2001EP1162456A1 HPLC Method for purifying organic compounds
12/06/2001WO2001040319A3 Inhibition of polymerization of unsaturated monomers
12/05/2001EP0835233B1 Composition and method for stabilizing radiolabeled organic compounds
12/05/2001CN1324785A Organic matter recovering and halogen acid refining process of industrial acid effluent
12/05/2001CN1075815C Process for increasing stability of raw methamidophos oil
12/04/2001US6326394 Calixarene tubes as cation receptors
12/04/2001CA2259061C Coated single particles and their use in fluid bed chromatography
11/2001
11/29/2001US20010047117 Contacting the fluoroalkene with ammonium hydroxide or a compound containing nitrogen, sulfur or phosphorus to form an adduct to bind to a coating or absorbent support; removal of perfluoroisobutylene from coolants; materials handling
11/28/2001CN1075481C Process for refining high-purity reagent by raction extractive reactification
11/15/2001US20010041964 Pharmacokinetic-based drug design tool and method
11/14/2001CN1074776C Synergistic mixture consisting of 2,4-dimethyl-6-s-alkylphenol and sterically hindered phenol
11/14/2001CN1074758C Process for purification of fluoromethyl-1,1,1,3,3,3,-hexafluoroisopropyl ether
11/08/2001WO2001083567A2 Nitroaromatic solubilizer for nitroxyls in aromatic solvents
11/08/2001WO2001083455A1 Process for the preparation of sterically hindered aryloxyamines
11/08/2001US20010038814 Catalyst body and process for reducing the levels of halogenated hydrocarbons
11/08/2001CA2407195A1 Process for the preparation of sterically hindered aryloxyamines
10/2001
10/31/2001CN1073996C Crystalline form of dihydro-2,3-benzodiazepine derivative
10/31/2001CN1073995C Physical form of dihydro-2,3-benzodiazepine derivative
10/30/2001US6310260 Separation processes
10/25/2001WO2001079587A1 A process for the purification of organometallic compounds or heteroatomic organic compounds with hydrogenated getter alloys
10/25/2001WO2001079586A1 A process for the purification of organometallic compounds or heteroatomic organic compounds with a catalyst based on iron and manganese supported on zeolites
10/25/2001CA2404195A1 A process for the purification of organometallic compounds or heteroatomic organic compounds with hydrogenated getter alloys
10/25/2001CA2404130A1 A process for the purification of organometallic compounds or heteroatomic organic compounds with a catalyst based on iron and manganese supported on zeolites
10/23/2001US6307110 Separation processes
10/23/2001US6307109 Separating products from a reaction product fluid comprising a metal-organophosphorus ligand complex catalyst, nonpolar reaction solvents and polar reaction solvents
10/23/2001US6306959 Rapid purification by polymer supported quench
10/23/2001US6306263 Introducing a mixture of the glycol ether ester and impurities into a fractional distillation column; introducing stream of liquid water stripping component into column; heating to vaporize and removing vapor stream comprised of impurities
10/18/2001WO2001077230A2 Recovery of compounds using a natural adsorbent
10/17/2001EP1144675A2 Pharmacokinetic-based drug design tool and method
10/17/2001EP1144545A1 Method of stabilising monomers, immobilized radical polymerisation inhibitors or retarders
10/17/2001EP1144353A2 Method for stabilizing chemical compounds containing at least one ethylenically unsaturated bond in order to prevent undesirable radical polymerization
10/17/2001CN1073069C Co-cracking of BPA and phenol process tars
10/16/2001US6303830 Metal-ligand complex catalyzed processes
10/16/2001US6303829 Separating one or more products from a reaction product fluid comprising a metal-organophosphorus ligand; fractional countercurrent extraction with at least two immiscible extraction solvents
10/16/2001US6302958 Sonic impinging jet crystallization apparatus and process
10/10/2001EP1140868A1 Process for the separation of a component from a gaseous medium and a device for carrying out the process
10/09/2001US6300513 Causing n-oxyl compound, n-hydroxy-2,2,6,6-tetramethylpiperidine compound and 2,2,6,6-tetramethylpiperidine compound to co-exist in vinyl compound
10/04/2001WO2000015178A9 Computer implemented pharmacokinetics method and program
09/2001
09/27/2001WO2001070364A1 Sublimation purifying method and apparatus
09/26/2001EP1135110A1 Preparation of dry compositions soluble in the presence of water and avoiding maillard reaction in dry state and uses
09/26/2001EP0812345B1 Method for selective hydrogenation of a distillation cut of hydrocarbons
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