| 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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| 07/17/1996 | EP0721932A1 Process for purifying alpha, beta-unsaturated esters |
| 07/17/1996 | EP0721736A1 Stabilization of 3-isothiazolone solutions |
| 07/12/1996 | CA2155391A1 Process for purifying alpha, beta - unsaturated esters |
| 07/11/1996 | DE19512845C1 Crystalliser for sublimed material with supported spirally-finned tube bundle |
| 07/10/1996 | EP0626976B1 Preparation of surface-functional polymer particles |
| 07/10/1996 | CN1032252C Method of removing catalyst residues to procide a purified polyol |
| 07/09/1996 | USRE35292 Process for separating organometallic compounds and/or metal carbonyls from their solutions in organic media |
| 07/04/1996 | DE4447235A1 Removal of solvents from fluid mixts., for recovery of pure solvents |
| 07/03/1996 | EP0719854A2 Process for the fractionation or refining of lipid natural substances |
| 07/03/1996 | EP0719786A2 Process for treatment of solutions comprising alkyl polyglycosids and fatty alcohols by distillation |
| 07/03/1996 | EP0719785A2 Process for the separation of fatty alcohols from solutions of alkyl polyglycosids by distillation |
| 07/03/1996 | EP0719784A2 Process for bleaching of alkyl polyglycosids |
| 07/03/1996 | EP0634995B1 Process and intermediate for the purification of oxytetracycline |
| 06/30/1996 | CA2166337A1 Process for fractionating and refining natural lipid substances |
| 06/26/1996 | CN1125229A Stabilization of 3-isothiazolone solutions |
| 06/20/1996 | WO1996018445A1 Process and plant for separating heavy and light compounds by extraction with a supercritical fluid and by nanofiltration |
| 06/19/1996 | EP0717021A1 Method for working up a surfactant-containing reaction mixture |
| 06/15/1996 | CA2151311A1 Stabilization of 3-isothiazolone solutions |
| 06/13/1996 | DE19548009A1 Selectively removing (in)organic cpds. from gases |
| 06/11/1996 | CA2006021C Process for separating organometallic compounds and/or metal carbonyls from their solutions in organic media |
| 06/06/1996 | WO1996016921A1 A method for inhibiting premature polymerization of vinyl aromatic monomers |
| 06/05/1996 | EP0714906A1 Process for the distillatory separation of fatty alcohols from alkylpolyglycoside solutions |
| 06/05/1996 | EP0714398A1 Gamma crystalline modification of 2,2',2"-nitrilo triethyl-tris-(3,3',5,5'-tetra-tert-butyl-1,1'-biphenyl-2,2'-diyl)phosphite] |
| 06/05/1996 | DE19548006A1 Selective removal of sulphur cpds. from gases |
| 06/04/1996 | US5523419 Process for separating trioxane from an aqueous mixture |
| 06/04/1996 | US5522971 Dry neutralization of olefinically reactive organic liquid phases |
| 06/04/1996 | CA2164284A1 Process for bleaching alkyl polyglycosides |
| 06/04/1996 | CA2164281A1 Process for the removal of fatty alcohol from fatty alcoholic alkylpolyglycoside solutions by distillation |
| 06/04/1996 | CA2164279A1 Process for working up fatty alcohol alkylpolyglycoside solutions by distillation |
| 06/04/1996 | CA2164277A1 Process for the removal of fatty alcohols from alkylpolyglycoside solutions by distillation |
| 05/29/1996 | CN1123271A Adsorption process for amine of amine salt recovery from aqueous brine solutions |
| 05/28/1996 | US5521237 Alkanolamine esters of acyclic phosphites in polyolefin compositions |
| 05/23/1996 | WO1996015102A2 2-cyanoacrylic acid esters |
| 05/23/1996 | DE19548010A1 Organyl substd. amino oligo:alkyl ether physical absorption agents |
| 05/23/1996 | CA2204430A1 2-cyanoacrylic acid esters |
| 05/22/1996 | EP0712651A1 Process for recovering a substance or a group of substances from a mixture |
| 05/22/1996 | CN1122795A Purification of bisphenol-a |
| 05/17/1996 | WO1996014278A1 Purification of stable organic compounds |
| 05/15/1996 | EP0711774A1 Crystalline cephem-addition salts and process for their preparation |
| 05/15/1996 | EP0711269A1 Process for recovering organic acids |
| 05/15/1996 | DE4440055A1 New 2-cyano acrylic acid ester chromophore cpds. and their prepn. |
| 05/15/1996 | CN1122338A Physical form of dihydro-2,3-benzodiazepine derivative |
| 05/08/1996 | EP0710222A1 Method for inhibiting the polymerization of vinyl aromatics |
| 05/07/1996 | US5514807 5-amino-5-nitropyridinium halide crystal structure |
| 05/02/1996 | DE4438052A1 Oxidative photo-purificn. for mineralisation of organic carbon cpds., esp. for drinking water treatment |
| 04/30/1996 | US5512261 Process for removing sulfur dioxide from fluids |
| 04/30/1996 | US5512185 Purification of stable organic compounds |
| 04/24/1996 | EP0708103A1 Process for the preparation of a tetrazole derivative in two crystalline forms and a new crystalline form of this derivative |
| 04/23/1996 | US5510547 Adding mixture of a hydroxylamine and a phenylenediamine to vinyl aromatic monomer in oxygen-free processing system |
| 04/17/1996 | CN1120836A Fatty-acid amides with improved cold-water dispersibility |
| 04/17/1996 | CN1120546A Acid-catalyzed fabrication of precursors for use in making polyols and ethylene oxide capping of polyols made using double metal cyanide catalysts |
| 04/17/1996 | CN1120542A Process for the removal of olefine from silane |
| 04/10/1996 | EP0705898A2 Stabilized lubricant base stock |
| 04/10/1996 | EP0569502B1 Inhibiting popcorn polymer formation with alkyl halides |
| 04/10/1996 | CN1119959A A process and a device for seperating a solid residue from its solution in a strirred bed of material |
| 04/06/1996 | CA2159696A1 Stabilised lubricant base material |
| 04/03/1996 | CN1119853A Continuous process for purifying perfluorochemical compositions |
| 04/03/1996 | CN1119636A Inhibition of the polymerization of vinylaromatic or vinyliphatic compounds |
| 04/02/1996 | US5504267 Heating scrap rubber waste with magnesium or aluminum chloride catalyst to recover hydrocarbons |
| 04/02/1996 | US5504251 Co-cracking of BPA and phenol process tars |
| 04/02/1996 | US5504188 Crystallization of lys(b28)pro(b29)-human insulin zinc salt at a ph of about 5.5 to 6.5 from a solution also containing acetic acid, citric acid, glycine or phenolic compound |
| 04/02/1996 | US5503837 Improving the solvent extraction with solvent mixture containing a nonpolar and a polar hydrocarbon solvent |
| 03/26/1996 | US5502215 Recrystallization, removal of meso form |
| 03/20/1996 | EP0702017A1 Process for the preparation of aminofunctional organosilanes with low chlorine contamination |
| 03/20/1996 | CN1118995A Improved distillative separation process by steaming for mixtures of multiple substances |
| 03/19/1996 | US5500189 Apparatus for crystallization of organic matter |
| 03/14/1996 | WO1996007631A1 Method of inhibiting vinyl compound polymerization |
| 03/14/1996 | CA2199253A1 Novel crystal of cephalosporin compound |
| 03/13/1996 | CN1118575A Optical isomerization inhibitor |
| 03/12/1996 | US5498791 Nitrosamine and nitrite inhibition |
| 03/12/1996 | US5498754 Process for refining crude fluoroalkylsulfonic acid with the use of water |
| 03/06/1996 | EP0699682A1 Process for the preparation and/or purification of clavulanic acid |
| 03/06/1996 | EP0699678A1 Crystalline form of dihydro-2,3-benzodiazepine derivative |
| 03/06/1996 | EP0699676A1 Physical form of dihidro-2,3-benzodiazepine derivative |
| 03/06/1996 | EP0699659A2 Process and device for separating a solid residue from its solution in stirred material bed |
| 03/01/1996 | CA2157099A1 Process and a device for separating a solid residue from its solution in a stirred bed of material |
| 02/29/1996 | WO1996006138A1 Method of extracting natural carotinoid dyes |
| 02/27/1996 | US5494654 Radiolabelled compound formulations |
| 02/22/1996 | DE4429506A1 Verfahren zur Extraktion natürlicher Carotinoid-Farbstoffe A method for extraction of natural carotenoid pigments |
| 02/21/1996 | EP0697396A1 Adsorption process for amine or amine salt recovery from aqueous brine solutions |
| 02/21/1996 | EP0697388A1 Process for recovery of methyl chloride |
| 02/21/1996 | EP0697386A1 Process for the inhibition of the polymérisation of vinyl aromatic or vinyl aliphatic compounds |
| 02/20/1996 | US5493051 Lifibrol and its use |
| 02/20/1996 | US5492873 Membrane having pores distributed throughout; pores containing catalyst |
| 02/14/1996 | EP0532664B1 Supported chiral liquid membrane for the separation of enantiomers |
| 02/07/1996 | CN1116209A Process for the extraction of soluble polysacchrides |
| 02/06/1996 | US5489720 Adding catalytic amount of a phenylenediamine compound along with a hydroxylamine polymerization inhibitor |
| 02/06/1996 | US5489718 Mixture of an oxime compound and a hydroxylamine compound |
| 02/06/1996 | US5489684 Acidification of the racemic alkali salt mixture with a non-oxidizing acid while stereospecific crystallization |
| 02/06/1996 | US5489366 Recovery of purified and substantially anhydrous propylene oxide |
| 02/01/1996 | DE19527317A1 Fully closed circuit dry cleaning system |
| 01/31/1996 | EP0694517A1 Purification of bisphenol-A |
| 01/31/1996 | EP0694037A1 Method for producing sugar surfactants with an improved scent |
| 01/31/1996 | EP0694031A1 Fatty-acid amides with improved cold-water dispersibility |
| 01/30/1996 | US5488192 Method for inhibiting the polymerization of styrene |
| 01/18/1996 | WO1996001247A1 Recovery of carboxylic acid from organic solution that contains an amine and an extraction enhancer |
| 01/17/1996 | EP0692489A1 Preparation of stable zinc insulin analog crystals |
| 01/12/1996 | CA2153362A1 Process for the separation of lactulose |
| 01/10/1996 | EP0594837B1 Radiolabelled compound formulations |
| 01/03/1996 | EP0690117A2 Compositions and methods for inhibiting vinyl aromatic monomer polymerization |