| 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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| 03/25/1997 | US5614483 Stabilized lubricant base material |
| 03/19/1997 | EP0763521A2 Method of recycling phase transfer catalyst for displacement reactions |
| 03/19/1997 | CN1145362A Avoidance of precipitation in 3-isothiazolone formulations |
| 03/18/1997 | US5611849 Stabilized monobutyltin trichloride |
| 03/12/1997 | EP0761650A1 Thermally stable and storable crystalline modification of N-methyl-N-((1S)-1-phenyl-2-((3S)-3-hydroxypyrrolidin-1-yl)-ethyl)-2,2-diphenyl-acetamide and process for its preparation |
| 03/12/1997 | EP0616608B1 Improved method for the dry-neutralization of olefinically reactive organic liquids |
| 03/11/1997 | US5610144 Pyrrolidine and thiazolidine derivatives, their preparation and medicaments containing them |
| 03/11/1997 | US5609735 Process and a device for separating a solid residue from its solution in a stirred bed of material |
| 03/05/1997 | EP0760393A2 Chromatography process |
| 03/04/1997 | US5608058 Processing for purifying crown compounds |
| 03/04/1997 | US5608048 Polymorphic forms of 2',3'-didehydro-3'-deoxythymidine useful in the treatment of aids |
| 03/01/1997 | CA2184564A1 Chromatographic method and its use for separation of azadirachtin |
| 02/26/1997 | EP0759421A1 Process for the purification of a C2 to C4 carboxylic acid and/or anhydride having impurities |
| 02/18/1997 | US5603866 Stabilized isothiazolinone formulations |
| 02/12/1997 | CN1142816A Crystalline, polymorphic form of (S,S,S)-n-(1-|2-carboxy-3-(n2-mesyllysylamino)propyl¨-1-cyclopenlylcarbonyl)tyrosine |
| 02/11/1997 | US5602281 Quick cooling of solution of p-aminobenzenesulfonamide in solvent, separating, drying crystals |
| 02/11/1997 | US5602259 Method for producing 4-hydroxy-5-methyl-3[2H]-furanone and uses of same |
| 02/05/1997 | EP0757057A2 Process for crystallisation of macromolecules |
| 02/05/1997 | CN1142196A Process for the simplified separation of complex mixtures at least partially of organic origin |
| 02/04/1997 | US5599926 A4 B6 macrotricyclic enantioselective receptors for amino acid derivatives, and other compounds |
| 02/04/1997 | CA2182635A1 Process for the crystallization of macromolecules |
| 01/29/1997 | EP0755387A1 Oxidative purification of biomass extracts containing taxol and cephalomannine using ozone and girard reagents |
| 01/22/1997 | EP0754692A1 Stabilized monobutyltrichlorotin |
| 01/16/1997 | WO1997001520A1 Composition and method for stabilizing radiolabeled organic compounds |
| 01/09/1997 | WO1997000714A1 Liquid medium extraction purification method |
| 01/08/1997 | EP0663909B1 Method of obtaining 10-deacetylbaccatine iii |
| 01/02/1997 | DE19624299A1 Removal of malodorous organic cpds. from dispersion |
| 01/01/1997 | CN1139094A Inhibition of unsaturated monomers with 7-aryl quinone methides |
| 12/27/1996 | EP0749969A2 d4T polymorphic form I process |
| 12/27/1996 | EP0749689A2 Avoidance of precipitation in 3-isothiazolone formulations |
| 12/18/1996 | CN1033573C Process for the preparation and purification of a hydroxylammonium salt solution |
| 12/11/1996 | EP0747383A2 Polyamine salts of clavulanic acid |
| 12/11/1996 | EP0644887B1 Intermediates in a process for the purification of clavulanic acid |
| 12/10/1996 | US5583247 7-substituted quinone methides as inhibitors for unsaturated monomers |
| 12/10/1996 | CA2101523C Inhibiting popcorn polymer formation with alkyl halides |
| 12/09/1996 | CA2177879A1 Avoidance of precipitation in 3-isothiazolone formulations |
| 12/05/1996 | DE19519895A1 Involatile, immobile 2-cyanoacrylic ester(s) |
| 12/04/1996 | CN1137033A Co-cracking of BPA and phenol process tars |
| 11/27/1996 | EP0569501B1 Inhibiting popcorn polymer formation with esters of inorganic acids |
| 11/27/1996 | CN1033390C Preparation of beta-form thiamine hydrochloride crystals |
| 11/14/1996 | DE19517039A1 Water purifier uses light to oxidise carbon cmpds |
| 11/13/1996 | EP0741599A1 Optimised process for the regeneration of streams of steam-based vapours |
| 11/13/1996 | CN1135747A A Process for separating lipophilic compounds |
| 11/06/1996 | CN1134931A Distillation equipment for crystallized mother liquor in the prodn. of amino acetic acid |
| 11/05/1996 | US5571911 Cyclic oligopeptides |
| 10/30/1996 | EP0739334A1 Biomolecule solubilisation agents consisting of non-detergent zwitterions, and uses thereof |
| 10/22/1996 | US5567615 Affinity separation method |
| 10/16/1996 | EP0737660A1 Inhibition of unsaturated monomers with 7-aryl quinone methides |
| 10/16/1996 | EP0737659A1 7-Substituted quinone methides as inhibitors for unsaturated monomers |
| 10/15/1996 | US5565102 Process for purifying organic synthesis products |
| 10/09/1996 | EP0736315A1 Crystallizer |
| 10/09/1996 | EP0736045A1 Use of mono-3,6-anhydro-cyclodextrins for solubilising a hydrophobic compound and monitoring the purity of an enantiomer, and method for preparing said cyclodextrins |
| 10/09/1996 | EP0735911A1 Method of working up a reaction mixture by means of a column placed on the reaction vessel |
| 10/03/1996 | WO1996030375A1 Process and crystal forms of 2-methyl-thieno-benzodiazepine |
| 10/03/1996 | WO1996030374A1 Process for preparing olanzapine |
| 10/01/1996 | US5561168 Iodide removal process |
| 09/27/1996 | EP0665218A4 METHOD OF OBTAINING A PHYSICALLY STABLE CRYSTALLINE -g(g)-MODIFICATION OF PARA-AMINOBENZENE SULPHANILAMIDE. |
| 09/26/1996 | WO1996029311A1 4-acylamino piperidin-n-oxyls |
| 09/26/1996 | DE19510184A1 4-Acylaminopiperidin-N-oxyle 4-Acylaminopiperidin-N-oxyls |
| 09/26/1996 | CA2211902A1 4-acylamino piperidin-n-oxyls |
| 09/25/1996 | EP0733635A1 Crystal forms of a thieno(2,3-B)(1,5) benzodiazepine derivative and process for their preparation |
| 09/25/1996 | EP0733634A1 Process for preparing a thieno(2,3-B)(1,5) benzodiazepine derivative |
| 09/25/1996 | EP0538350B1 Substance carrying conglomerate |
| 09/24/1996 | US5559259 Process for producing poison-resistant catalysts |
| 09/24/1996 | US5559241 Reaction of amoxycillin in alcohol mixture with salt former |
| 09/18/1996 | EP0732378A2 Method for purifying xanthophyll compound |
| 09/18/1996 | EP0732319A1 Process for working-up reaction mixtures formed by addition reactions of acetylene or propyne |
| 09/18/1996 | EP0731787A1 Crystalline, polymorphic form of (s,s,s)-n-(1- 2-carboxy-3-(n?2 -mesyllysylamino)propyl]-1-cyclopentylcarbonyl)tyrosine |
| 09/18/1996 | CN1131156A Process for removal of fatty alcohols from alklpolyglycoside solutions by distillation |
| 09/18/1996 | CN1131145A Acetonitrile purification via adsorption-based process |
| 09/18/1996 | CN1131141A Process for purifying alpha, beta-unsaturated esters |
| 09/17/1996 | CA2171780A1 Method for purifying xanthophyll compound |
| 09/11/1996 | EP0731073A2 Co-cracking of BPA and phenol process tabs |
| 09/11/1996 | EP0730485A1 Process for the simplified separation of complex mixtures at least partially of organic origin |
| 09/11/1996 | EP0618896B1 Isomerisation process |
| 09/04/1996 | CN1130191A Process for separating fatty alcohol alkylpolyglycoside solutions |
| 09/04/1996 | CN1130190A Process for bleaching alkylpolyglycosides |
| 08/21/1996 | EP0726801A1 Process and device for separating a mixture |
| 08/21/1996 | CN1129222A Process for the removal of fatty alcohol from fatty alcoholic alklpolyglycoside solutions by distillation |
| 08/21/1996 | CN1129220A Novel crystalline cephem acid addition salts and processes for their preparation |
| 08/21/1996 | CN1129208A Method of separating meta and para-ethylphenol |
| 08/14/1996 | CN1128754A Method for treatment of mixture of hydroperoxide |
| 08/13/1996 | US5545786 Method for inhibiting premature polymerization of vinyl aromatic monomers |
| 08/13/1996 | US5545782 Using a stable hindered nitroxyl compound |
| 08/13/1996 | US5545738 Useful for production of antihypertensive agents and dysurea curing agents |
| 08/07/1996 | EP0724557A1 A process for separating lipophilic compounds |
| 08/07/1996 | CN1128271A Preparation of stable zinc insulin analog crystals |
| 08/07/1996 | CN1128264A Crystalline form of dihydro-2,3-benzodiazepine derivative |
| 08/07/1996 | CN1128261A Process for the preparation of a tetrazole derivative in two crystalline forms and novel crystalline form of said derivative |
| 08/06/1996 | US5543564 Process for releasing acidic organic compounds from salts thereof by carbon dioxide |
| 07/31/1996 | EP0723964A1 Controlled continuous purification of propylene oxide by extractive distillation |
| 07/31/1996 | EP0723952A1 Process for the purification of tertiary fatty alkyl methyl amines |
| 07/26/1996 | CA2159281A1 Controlled continuous purification of propylene oxide bt extractive distillation |
| 07/25/1996 | WO1996022325A1 Stabiliser mixture made from chromane derivatives and inert organic solvents, and microcapsules containing the said stabiliser mixture |
| 07/25/1996 | WO1996015102A3 2-cyanoacrylic acid esters |
| 07/24/1996 | EP0722771A1 Method of distributing a liquid in a fluid bed reactor and fluid bed particles for use in carrying out the method |
| 07/23/1996 | US5539090 Reaction of glycoconjugates with hydrazine to release glycans |
| 07/23/1996 | US5538025 Solvent cleaning system |
| 07/18/1996 | DE19526100C1 Butyl tin tri:chloride stabilised against crystallisation and darkening |
| 07/18/1996 | DE19501053A1 Stabilisatorgemisch aus Chromanderivaten und inerten organischen Lösungsmitteln sowie dieses Stabilisatorgemisch enthaltende Mikrokapseln Stabilizer mixture containing from chroman and inert organic solvents, and this stabilizer mixture microcapsules |