| 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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| 11/11/1993 | WO1993022269A1 Process for the preparation of 3(s)-methylheptanoic acid and intermediates therefor |
| 11/11/1993 | CA2134093A1 Process for the preparation of 3(s)-methylheptanoic acid and intermediates therefor |
| 11/10/1993 | EP0569328A1 Bis-phosphite stabilized compositions |
| 11/10/1993 | EP0568915A2 Process for the desensitization of 1,2-naphthoquinone-2-diazide-sulfonic acid esters |
| 11/10/1993 | EP0568817A2 Process for producing highly pure phenol |
| 11/09/1993 | US5260496 Cyclic compounds with and without an unbranched acyclic substituent, adsorption with molecular seive |
| 11/06/1993 | CA2095418A1 Bis-phosphite stabilized compositions |
| 10/31/1993 | WO1993022260A1 Radiolabelled compound formulations |
| 10/20/1993 | EP0565727A1 Novel compound and separating agent |
| 10/20/1993 | EP0489773B1 Process for separating mixtures of partially fluorinated or perfluorinated hydrocarbon compounds |
| 10/19/1993 | US5254760 Stabilization during distillation or purification with at least one stable nitroxyl compound together with one or more aromatic nitro compounds |
| 10/14/1993 | WO1993020168A1 A method of controlling the oxidation of chemicals during storage using noble gases |
| 10/14/1993 | WO1993020042A1 Process and intermediate for the purification of oxytetracycline |
| 10/14/1993 | CA2133198A1 Process and intermediate for the purification of oxytetracycline |
| 10/14/1993 | CA2102779A1 A method of controlling the oxidation of chemicals during storage using noble gases |
| 10/13/1993 | EP0565324A1 Method of recovering organic sulfur compound from liquid oil |
| 10/13/1993 | EP0564570A1 Cyclodextrin-epichlorohydrin polymers for separating and adsorbing substances |
| 10/05/1993 | US5250155 Contacting alkali-added reaction product with acid to convert to free fatty acid; neutralization; removal; high temperature distillation or deodorizing |
| 10/05/1993 | CA1322795C Process for extracting organic composites and solutions and aqueous suspensions thereof |
| 10/05/1993 | CA1322764C Dehydration of organic oxygenates |
| 10/04/1993 | CA2093284A1 Process for producing highly pure phenol |
| 09/29/1993 | EP0562121A1 Separating agent comprising bonded conalbumin |
| 09/15/1993 | EP0560155A1 Process for separating phthalimidoperoxycaproic acid (PAP) from solution(s) in organic solvents |
| 09/15/1993 | EP0560081A1 Process for production of high-monoester sucrose higher fatty acid esters |
| 09/02/1993 | WO1993017055A1 Preparation of surface-functional polymer particles |
| 09/02/1993 | WO1993016970A1 Supercritical separation of isomers of functional organic compounds at moderate conditions |
| 09/02/1993 | CA2129118A1 Supercritical separation of isomers of functional organic compounds at moderate conditions |
| 08/24/1993 | US5239097 Process for refining soap-containing crude polyol fatty-acid polyester reaction products |
| 08/24/1993 | US5238573 Separation of organic liquids |
| 08/19/1993 | WO1993015823A1 Method of separating carbon monoxide from gas mixture |
| 08/10/1993 | US5235075 Purification of propylene oxide |
| 08/05/1993 | WO1993013053A3 Isomerisation process |
| 08/04/1993 | EP0554090A2 Process for preparing high alpha-glycosyl-L-ascorbic acid, and separation system for said process |
| 08/04/1993 | EP0553800A2 Nitrosamine and nitrite inhibition |
| 08/03/1993 | US5233107 Removal of olefinic impurities in gas phase by passing over zeolite |
| 07/21/1993 | EP0551352A1 Supercritical fluid extraction restrictor and collection system |
| 07/14/1993 | EP0550754A1 Polymerization inhibitor of vinyl-containing compounds |
| 07/13/1993 | US5227028 Hydrolysis of ketoximes or alkoximes |
| 07/13/1993 | CA1320148C Method for recovering crystals from crystal-containing slurry |
| 07/08/1993 | WO1993013053A2 Isomerisation process |
| 06/29/1993 | US5223589 Lithium-exchaged X zeolite as adsorbent |
| 06/24/1993 | WO1993012066A1 Improved method for the dry-neutralization of olefinically reactive organic liquids |
| 06/24/1993 | DE4142592A1 Bleaching surface active cpd. with peroxy cpd. - in presence of alkaline earth ions, zinc ions or alkali silicate as booster |
| 06/24/1993 | CA2125385A1 Improved dry neutralization of olefinically reactive organic liquid |
| 06/23/1993 | EP0548028A1 Purification of organic compounds by crystallisation |
| 06/15/1993 | US5220058 Iodide removal process |
| 06/09/1993 | EP0545168A1 Optically active polymer beads containing a filler |
| 06/09/1993 | DE4140373A1 Verbesserte trockenneutralisation olefinisch reaktiver organischer fluessigphasen Improved dry neutralization olefinic reactive organic fluessigphasen |
| 05/25/1993 | CA1318308C Packing material for chromatographic use and method for analysis of enantiomer mixture using the same |
| 05/19/1993 | EP0542720A1 Process for shortstopping free radical polymerization and stabilized resin compositions |
| 05/19/1993 | EP0541593A1 Cyclopentane derivatives, process for producing them and their pharmaceutical use. |
| 05/19/1993 | EP0541556A1 Stabilization of biological macromolecular substances and other organic compounds |
| 05/19/1993 | EP0532520A4 Process for removing double metal cyanide complex catalyst residues from catalyst-residue containing polyols |
| 05/18/1993 | CA1317961C Process for removal of basic materials from plant products using solvent extraction |
| 05/13/1993 | WO1993008903A1 Process and capillary columns for separating enantiomers |
| 05/12/1993 | CN1020598C Conversion of pyrethroid isomers to more active species |
| 05/11/1993 | US5210281 Dry neutralization process for organic liquid phases |
| 05/06/1993 | DE4136462A1 Verfahren zur enantiomerentrennung an chiral modifizierten trennoberflaechen durch elektromigration in kapillarsaeulen Process for the separation of enantiomers on chiral modified trennoberflaechen by capillary electromigration in |
| 05/05/1993 | EP0539515A1 Non-corrosive composition and methods useful for the extraction of nucleic acids |
| 05/05/1993 | CN1071662A Process for removing iodide compounds from carboxylic acids and carboxylic acid anhydrides |
| 04/27/1993 | US5206368 Process for extracting pyridine- and quinolinedicarboxylic acids from aqueous media |
| 04/27/1993 | US5206000 Process for the recovery of rhodium from aqueous solutions containing rhodium complexes |
| 04/21/1993 | EP0538040A2 Process for removing iodide compounds from carboxylic acids and carboxylic acid anhydrides |
| 04/20/1993 | US5204464 Cardiotonic agents, vasodilators |
| 04/19/1993 | CA2080744A1 Process for removing iodide compounds from carboxylic acids and carboxylic acid anhydrides |
| 04/15/1993 | DE4134156A1 9-substituierte bicyclo(3.3.0)octan-derivate, verfahren zu ihrer herstellung und ihre pharmazeutische verwendung 9-substituted bicyclo (3.3.0) octane derivatives, process for their production and their pharmaceutical use |
| 04/13/1993 | US5202029 High performance liquid chromatography |
| 04/12/1993 | WO1993007118A1 9-substituted bicyclo[3.3.0]octane derivatives, for use as txa2 antagonists |
| 04/12/1993 | CA2097930A1 9-substituted bicyclo[3.3.0]octane derivatives, for use as txa2 antagonists |
| 04/10/1993 | WO1993007104A1 Separating agent comprising bonded conalbumin |
| 04/10/1993 | CA2097719A1 Separating agent comprising bonded conalbumin |
| 04/07/1993 | EP0535605A2 Iodide removal process |
| 04/06/1993 | US5200186 Process for the preparation of extracts having high content in anthocyanosides |
| 03/31/1993 | EP0534094A2 Process for removing aldehydes and/or vinyl esters from gaseous or liquid process streams |
| 03/31/1993 | EP0533940A1 Crystalline potassium thionicotinamide-adenine dinucleotide phosphate and production thereof |
| 03/31/1993 | EP0532664A4 Supported chiral liquid membrane for the separation of enantiomers |
| 03/31/1993 | CN1070401A Production of beta-form thiamine hydrochloride crystals |
| 03/30/1993 | US5198593 Process for purification of ethylene compound having fluorine-containing organic group |
| 03/30/1993 | US5198550 With alcohol |
| 03/24/1993 | EP0533103A1 Production of beta-form thiamine hydrochloride crystals |
| 03/24/1993 | EP0532664A1 Supported chiral liquid membrane for the separation of enantiomers. |
| 03/24/1993 | EP0532520A1 Process for removing double metal cyanide complex catalyst residues from catalyst-residue containing polyols |
| 03/23/1993 | US5196619 Mercaptans and hydrogen sulfide |
| 03/23/1993 | US5196575 Solvent extraction, carbon dioxide |
| 03/18/1993 | WO1993005004A1 Novel compound and separating agent |
| 03/17/1993 | EP0531807A1 Process for storing and transporting liquid hydrocarbons |
| 03/17/1993 | EP0494967A4 Chiral separation media |
| 03/16/1993 | CA1314559C Conversion of pyrethroid isomers to more active species |
| 03/10/1993 | CA2077705A1 Process for the storage and transportation of liquid hydrocarbons |
| 03/09/1993 | US5192444 Separating with an agent comprising an aliphatic ester of a polysaccharide |
| 03/03/1993 | EP0529413A2 Method of separating organic solvents |
| 03/01/1993 | CA2059204A1 Solvent extraction of i-i4ib from i-365 |
| 03/01/1993 | CA2059203A1 Solvent extraction of i-365 from i-i4ib |
| 02/28/1993 | CA2075868A1 Method of separating organic solvents |
| 02/23/1993 | CA1313880C Packing material for liquid chromatography |
| 02/10/1993 | EP0527069A1 Derivatives of pyrrolidine and thiazolidine, their preparation, and pharmaceutical compositions containing them |
| 02/04/1993 | WO1993002028A1 Polymerization inhibitor of vinyl-containing compounds |
| 01/26/1993 | US5181845 Arrangement with protective effectiveness against the deposition of low-melting greases of high viscosity which are carried along in steam at the removal and ignition of hydrogen in a gas mixture containing hydrogen, oxygen and steam |
| 01/21/1993 | WO1993001167A1 Pyrrolidine and thiazolidine derivatives, preparation thereof and drugs containing same |
| 01/13/1993 | EP0522476A1 Method for separating linear aliphatic compounds terminated by fonctional groups |