Patents for C07B 63 - Purification; Separation specially adapted for the purpose of recovering organic compounds; Stabilisation; Use of additives (4,057) |
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02/21/2002 | DE10038747A1 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 |
02/14/2002 | WO2001007382A3 Improved metal-ligand complex catalyzed processes |
02/14/2002 | US20020019521 Separation of olefinic isomers |
02/14/2002 | US20020017496 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 |
02/14/2002 | DE10037774A1 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 |
02/13/2002 | EP1179359A2 Process and apparatus for removing organic substances from a gas mixture |
02/13/2002 | EP1178945A1 Reactions using lewis acids |
02/13/2002 | EP0871525B1 Liquid medium extraction purification method |
02/13/2002 | CN1335296A Method for recovering crystal from sludge |
02/07/2002 | WO2002010100A2 Recycle of nitroxyl-containing streams at low temperature |
02/07/2002 | WO2002010097A1 A process for separating o- and p-substituted benzene compounds |
02/07/2002 | CA2417147A1 Recycle of nitroxyl-containing streams at low temperature |
02/05/2002 | US6344591 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 |
02/05/2002 | US6344560 Nitroaromatic solubilizer for nitroxyls in aromatic solvents |
01/31/2002 | WO2001068251A3 Separation of reaction products containing organophosphorus complexes |
01/31/2002 | WO2001068250A3 Separation of reaction products containing organophosphorus complexes |
01/31/2002 | WO2001068248A3 Separation of reaction products containing organophosphorus complexes |
01/31/2002 | US20020013662 Pharmacokinetic-based drug design tool and method |
01/31/2002 | US20020013235 Comprises a cyclodextrin or a branched cyclodextrin and a vanillyl alcohol derivative, such as vanillyl-n butyl ether |
01/29/2002 | US6342647 Inhibitors of polymerization of vinyl compounds |
01/24/2002 | WO2002006291A1 Composition for scavenging acylation reagents and/or aldehyde |
01/24/2002 | WO2001040149A3 Inhibition of polymerization of unsaturated monomers |
01/24/2002 | WO2001014289A3 Polymer-bound catalysts for use in carbon dioxide |
01/24/2002 | US20020010550 Pharmacokinetic-based drug design tool and method |
01/24/2002 | US20020007585 Transition-metal-catalyzed process for the preparation of sterically hindered N-substituted aryloxyamines |
01/23/2002 | EP1173265A1 Sonic impinging jet crystallization apparatus and process |
01/22/2002 | US6340414 Heat treatment, distillation |
01/22/2002 | CA2203397C A method for inhibiting premature polymerization of vinyl aromatic monomers |
01/16/2002 | EP1171212A2 Solvent extraction process |
01/16/2002 | EP0815082B1 4-acylamino piperidin-n-oxyls |
01/15/2002 | US6339182 Separation of olefins from paraffins using ionic liquid solutions |
01/15/2002 | US6339177 Dinitroalkyl aromatics polymerization retarders or inhibitors and methods for making and for using same |
01/10/2002 | WO2002002543A1 Method for producing a phenothiazine granulate with improved properties |
01/10/2002 | WO2002002491A1 Method for producing squalene |
01/10/2002 | WO2002002464A2 Chemical extraction process |
01/10/2002 | US20020004612 Reacting ammonia and carbon dioxide |
01/10/2002 | US20020003117 Process for recovering crystals from a slurry |
01/10/2002 | DE10032166A1 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 |
01/10/2002 | DE10031994A1 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 |
01/09/2002 | EP1170284A2 Urea synthesis process and apparatus |
01/09/2002 | EP1170280A2 Process for recovering crystals from a slurry |
01/09/2002 | EP1169123A1 Encoding scheme for solid phase chemical libraries |
01/03/2002 | WO2002000200A1 Novel process for preparing crystalline particles |
01/03/2002 | WO2002000198A1 Process for preparing and harvesting crystalline particles |
01/03/2002 | US20020000366 Stream of liquid stripping component (water), heat from reboiler vaporizes stream, removing vapor stream containing impurities overhead, then removing purified organic product |
01/02/2002 | EP1167435A2 Inclusion compounds of vanillyl alcohol derivative in cyclodextrin and compositions containing the same |
01/02/2002 | EP1165470A1 Formation, processing, transportation and storage of hydrates |
01/02/2002 | EP1165467A1 Impurities separation by distillation |
01/02/2002 | EP1165222A1 Chemical partitioning agents and methods of using same |
12/27/2001 | WO2001098239A1 Process for the purification of olefins |
12/26/2001 | CN1328447A Process for producing particles with converted amorphous and/or meta-stable crystalline region into crystalline state |
12/25/2001 | US6333426 Chiral adsorbents and preparation thereof as well as compounds on which the absorbents are based and preparation of the compounds |
12/20/2001 | WO2001051919A3 High-throughput formation, identification, and analysis of diverse solid-forms |
12/20/2001 | US20010052481 Inhibition of popcorn polymer growth |
12/20/2001 | DE10028638A1 Storage-stable composition useful in cosmetic and pharmaceutical compositions comprises combination of glycerol monoalkyl ether with antioxidant |
12/19/2001 | EP1163946A1 Process and system for decomposing pollutants |
12/18/2001 | US6331320 Heating plant material with water in pressurized container, cooling, extracting tarr, isolating desired; used for perfumes, flavors, aroma components |
12/18/2001 | CA2160725C Process for the preparation of a tetrazole derivative in two crystalline forms and novel crystalline form of said derivative |
12/13/2001 | WO2001093825A1 Storage-stable compositions of glycerol monoalkyl ethers |
12/12/2001 | EP1162456A1 HPLC Method for purifying organic compounds |
12/06/2001 | WO2001040319A3 Inhibition of polymerization of unsaturated monomers |
12/05/2001 | EP0835233B1 Composition and method for stabilizing radiolabeled organic compounds |
12/05/2001 | CN1324785A Organic matter recovering and halogen acid refining process of industrial acid effluent |
12/05/2001 | CN1075815C Process for increasing stability of raw methamidophos oil |
12/04/2001 | US6326394 Calixarene tubes as cation receptors |
12/04/2001 | CA2259061C Coated single particles and their use in fluid bed chromatography |
11/29/2001 | US20010047117 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 |
11/28/2001 | CN1075481C Process for refining high-purity reagent by raction extractive reactification |
11/15/2001 | US20010041964 Pharmacokinetic-based drug design tool and method |
11/14/2001 | CN1074776C Synergistic mixture consisting of 2,4-dimethyl-6-s-alkylphenol and sterically hindered phenol |
11/14/2001 | CN1074758C Process for purification of fluoromethyl-1,1,1,3,3,3,-hexafluoroisopropyl ether |
11/08/2001 | WO2001083567A2 Nitroaromatic solubilizer for nitroxyls in aromatic solvents |
11/08/2001 | WO2001083455A1 Process for the preparation of sterically hindered aryloxyamines |
11/08/2001 | US20010038814 Catalyst body and process for reducing the levels of halogenated hydrocarbons |
11/08/2001 | CA2407195A1 Process for the preparation of sterically hindered aryloxyamines |
10/31/2001 | CN1073996C Crystalline form of dihydro-2,3-benzodiazepine derivative |
10/31/2001 | CN1073995C Physical form of dihydro-2,3-benzodiazepine derivative |
10/30/2001 | US6310260 Separation processes |
10/25/2001 | WO2001079587A1 A process for the purification of organometallic compounds or heteroatomic organic compounds with hydrogenated getter alloys |
10/25/2001 | WO2001079586A1 A process for the purification of organometallic compounds or heteroatomic organic compounds with a catalyst based on iron and manganese supported on zeolites |
10/25/2001 | CA2404195A1 A process for the purification of organometallic compounds or heteroatomic organic compounds with hydrogenated getter alloys |
10/25/2001 | CA2404130A1 A process for the purification of organometallic compounds or heteroatomic organic compounds with a catalyst based on iron and manganese supported on zeolites |
10/23/2001 | US6307110 Separation processes |
10/23/2001 | US6307109 Separating products from a reaction product fluid comprising a metal-organophosphorus ligand complex catalyst, nonpolar reaction solvents and polar reaction solvents |
10/23/2001 | US6306959 Rapid purification by polymer supported quench |
10/23/2001 | US6306263 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 |
10/18/2001 | WO2001077230A2 Recovery of compounds using a natural adsorbent |
10/17/2001 | EP1144675A2 Pharmacokinetic-based drug design tool and method |
10/17/2001 | EP1144545A1 Method of stabilising monomers, immobilized radical polymerisation inhibitors or retarders |
10/17/2001 | EP1144353A2 Method for stabilizing chemical compounds containing at least one ethylenically unsaturated bond in order to prevent undesirable radical polymerization |
10/17/2001 | CN1073069C Co-cracking of BPA and phenol process tars |
10/16/2001 | US6303830 Metal-ligand complex catalyzed processes |
10/16/2001 | US6303829 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 |
10/16/2001 | US6302958 Sonic impinging jet crystallization apparatus and process |
10/10/2001 | EP1140868A1 Process for the separation of a component from a gaseous medium and a device for carrying out the process |
10/09/2001 | US6300513 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 |
10/04/2001 | WO2000015178A9 Computer implemented pharmacokinetics method and program |
09/27/2001 | WO2001070364A1 Sublimation purifying method and apparatus |
09/26/2001 | EP1135110A1 Preparation of dry compositions soluble in the presence of water and avoiding maillard reaction in dry state and uses |
09/26/2001 | EP0812345B1 Method for selective hydrogenation of a distillation cut of hydrocarbons |