| Patents for C07B 63 - Purification; Separation specially adapted for the purpose of recovering organic compounds; Stabilisation; Use of additives (4,057) |
|---|
| 01/03/1996 | EP0690072A2 Process for the recovery and purification of xanthan gum |
| 01/03/1996 | EP0690042A1 Process for producing aliphatic amines |
| 01/02/1996 | US5480982 Storage stability |
| 01/02/1996 | US5480898 With noble metal salt |
| 12/27/1995 | EP0688792A1 Process for the extraction of soluble polysaccharides |
| 12/27/1995 | EP0688500A1 Method for conservation of aqueous solutions or dispersions |
| 12/27/1995 | EP0688309A1 Continuous process for purifying perfluorochemical compositions |
| 12/27/1995 | EP0569359B1 Inhibiting popcorn polymer formation with compounds incorporating group iv elements |
| 12/26/1995 | US5478443 Apparatus for separating biochemical compounds from biological substances |
| 12/21/1995 | CA2151996A1 Method for preserving aqueous solutions or dispersions |
| 12/20/1995 | EP0687473A1 Optical isomerization inhibitor |
| 12/20/1995 | EP0687264A1 Method for preparing n-methyl 2-(3-pyridyl) (1r,2r)-2-tetrahydrothiopyrancarbothioamide-1-oxide |
| 12/20/1995 | EP0687192A1 Distillative separation process by steaming for mixtures of multiple substances |
| 12/19/1995 | US5476987 Solvent extraction using sulfolane and 1,3-dimethylimidazolidinone |
| 12/19/1995 | US5476958 Process for the removal of olefins from silanes |
| 12/13/1995 | EP0686137A1 Purification of a component of a binary azeotrope |
| 12/13/1995 | CN1113244A Novel process |
| 12/07/1995 | CA2150858A1 Alkanolamine esters of acyclic phosphites |
| 12/06/1995 | CN1112928A Novel method for preparation and/or purification of clavulanic acid or pharmaceutical salt or ester of same |
| 12/06/1995 | CN1112911A Improved precooling for ethylene recovery in dual demethanizer fractionation systems |
| 12/05/1995 | US5472599 Optical resolution of isomers |
| 11/29/1995 | EP0684252A1 Glycophospholipid and process for preparation thereof |
| 11/29/1995 | CN1112559A Method for purification of lactide |
| 11/28/1995 | US5470988 Melting, fusion |
| 11/23/1995 | DE4417081A1 Removing organic cpds. from fluids, e.g. water or air |
| 11/22/1995 | EP0683167A1 Terazosin monohydrochloride and processes and intermediate for its production |
| 11/21/1995 | US5468899 Treatment with a selected phenylenediamine and an acid |
| 11/08/1995 | EP0680965A1 Process for removing olefins from silanes |
| 10/31/1995 | US5463121 Process for the removal of water from acrylic acid |
| 10/31/1995 | US5463120 Method for the crystallization of methionine |
| 10/31/1995 | US5463058 Siloxane derivatives of 2,2,6,6-tetramethylpiperidine compounds as stabilizers |
| 10/25/1995 | CN1110866A Method of decompoing halogenated aromatic compound |
| 10/24/1995 | US5461150 Stabilization of 3-isothiazolone solutions |
| 10/19/1995 | WO1995027707A1 Oxidative purification of biomass extracts containing taxol and cephalomannine using ozone and girard reagents |
| 10/19/1995 | CA2187337A1 Oxidative purification of biomass extracts containing paclitaxel and cephalomannine using ozone and girard reagents |
| 10/17/1995 | US5458848 Deodorizing |
| 10/11/1995 | CN1109856A Mixed refrigerant cycle for ethylene recovery |
| 10/11/1995 | CN1109855A Open loop mixed refrigerant cycle for ethylene recovery |
| 10/05/1995 | DE19510517A1 Verfahren zur Inhibierung der Oxidation und Polymerisation von Furfural und seinen Derivaten A method for inhibiting the oxidation and polymerization of furfural and its derivatives |
| 10/04/1995 | EP0675119A2 Preparation of substantially anhydrous propylene oxide |
| 10/04/1995 | EP0674717A1 METHOD OF PRODUCING $g(a),$g(a)-TREHALOSE |
| 09/29/1995 | CA2142062A1 Preparation of substantially anhydrous propylene oxide |
| 09/26/1995 | US5453519 Process for inhibiting oxidation and polymerization of furfural and its derivatives |
| 09/26/1995 | US5453498 Process for production of high-monoester sucrose higher fatty acid esters |
| 09/26/1995 | US5453447 Preparation of stable injectable β-carotene solubilizates |
| 09/20/1995 | EP0672670A1 Process for the preparation of clavulanic acid |
| 09/20/1995 | EP0672669A1 Process for the preparation of clavulanic acid |
| 09/20/1995 | EP0671975A1 Chiral adsorbents and preparation thereof as well as compounds on which the adsorbents are based and preparation of these compounds |
| 09/20/1995 | EP0563358B1 9-substituted bicyclo [3.3.0]octane derivatives, for use as txa2 antagonists |
| 09/19/1995 | US5451302 Process for microwave catalysis of chemical reactions using waveguide liquid films |
| 09/19/1995 | US5450728 Recovery of volatile organic compounds from gas streams |
| 09/13/1995 | EP0541593B1 Cyclopentane derivatives, process for producing them and their pharmaceutical use |
| 09/07/1995 | DE4401135A1 New photolytically cleavable affinity ligands |
| 09/06/1995 | CN1107748A Affinity separation method |
| 09/05/1995 | US5447542 Process for separating and purifying substances by crystallization from the melt |
| 08/30/1995 | EP0669389A1 Process for recovering ethylene comprising a precooling step |
| 08/29/1995 | US5446220 Using mixture of dinitrophenol compound, hydroxylamine, and a phenylenediamine |
| 08/29/1995 | US5446167 Dehydrating in presence of an acid the trans isomer; isolation of cis isomer |
| 08/22/1995 | US5443742 Purification of stable organic compounds |
| 08/16/1995 | EP0667327A1 Open loop mixed refrigerant cycle for ethylene recovery |
| 08/16/1995 | EP0667326A1 Mixed refrigerant cycle for ethylene recovery |
| 08/15/1995 | US5442113 Nitrosamine and nitrite inhibition |
| 08/10/1995 | WO1995021010A1 Optimised process for the regeneration of streams of steam-based vapours |
| 08/09/1995 | EP0363428B1 Conversion of pyrethroid isomers to more active species |
| 08/09/1995 | CN1106373A Process for the purification of 1,1,1,2-tetrafluoroethane |
| 08/03/1995 | WO1995020590A1 Enantioselective receptors for amino acid derivatives, and other compounds |
| 08/03/1995 | DE4402883A1 Optimiertes Verfahren zur Aufarbeitung von wasserdampfbasierten Brüdenströmen Optimized process for working up steam vapor streams based |
| 08/02/1995 | EP0665218A1 Method for the preparation of physically stable crystalline gamma-modification of para-aminobenzene sulfanylamide |
| 08/02/1995 | CN1106006A Crystals of antimicrobial compound |
| 08/02/1995 | CN1105978A Process for producing highly purified acetic acid |
| 07/26/1995 | EP0664280A1 Process for dehydration of acrylic acid |
| 07/26/1995 | EP0663909A1 Method of obtaining 10-deacetylbaccatine iii. |
| 07/20/1995 | WO1995019339A1 Biomolecule solubilisation agents consisting of non-detergent zwitterions, and uses thereof |
| 07/19/1995 | EP0663398A1 Dihydrate of N-(4-amino-6,7-dimethoxyquinazol-2-yl)-N-methyl-N'-(tetrahydrofuroyl-2)-propylene diamine hydrochloride (= alfuzosin hydrochloride dihydrate) and a process for the preparation |
| 07/19/1995 | EP0663381A2 Process for releasing acidic organic compounds from their salts by means of carbon dioxide |
| 07/18/1995 | US5434316 Purification of bisphenol-A |
| 07/14/1995 | CA2140116A1 Process for releasing acidic organic compounds from salts thereof by carbon dioxide |
| 07/06/1995 | WO1995017937A1 Method of working up a reaction mixture by means of a column placed on the reaction vessel |
| 06/29/1995 | WO1995017433A1 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 |
| 06/29/1995 | DE4445517A1 Affinity sepn. method using dynamic filtration device |
| 06/28/1995 | EP0659716A1 Process for preparing light-coloured surfactants |
| 06/28/1995 | CN1104203A Lifibrol and its use |
| 06/24/1995 | CA2127605A1 Affinity separation method |
| 06/20/1995 | US5426257 Compositions and methods for inhibiting vinyl aromatic monomer polymerization |
| 06/20/1995 | US5426219 Extraction |
| 06/14/1995 | EP0657447A1 Method for purification of lactide |
| 06/14/1995 | EP0657189A1 Method of decomposing halogenated aromatic compound |
| 06/08/1995 | WO1995015308A1 Crystalline, polymorphic form of (s,s,s)-n-(1-[2-carboxy-3-(n2-mesyllysylamino)propyl]-1-cyclopentylcarbonyl)tyrosine |
| 06/08/1995 | DE4341562A1 Removal of di:chloro-acetic acid from aq. glycinate |
| 06/01/1995 | WO1995014520A1 Process for the simplified separation of complex mixtures at least partially of organic origin |
| 05/31/1995 | EP0655595A2 Recovery of volatile organic compounds from gas streams |
| 05/31/1995 | CA2136507A1 Recovery of volatile organic compounds from gas streams |
| 05/30/1995 | US5420319 Cis-oxalato(trans-1-1,2-cyclohexanediamine) Pt(II) complex having high optical purity and process of preparing same |
| 05/24/1995 | EP0654470A1 Storage stable aqueous solutions of isothiazolen-3-ones |
| 05/24/1995 | EP0654459A1 Purification of hydrocarbon streams |
| 05/24/1995 | EP0610419B1 Process for separating enantiomers |
| 05/17/1995 | EP0652859A1 Improved process for separating and recovering halocarbons from mixtures thereof. |
| 05/17/1995 | EP0562005B1 Integrated solvent extraction/membrane extraction with retentate recycle for improved raffinate yield |
| 05/16/1995 | US5415926 Low formaldehyde emission |
| 05/16/1995 | US5415769 Separation agent comprising aliphatic or aromatic ester of polysaccharide |