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Kemperman, NL

Gerardus Johannes Kemperman, Oss NL

Patent application numberDescriptionPublished
20080255348METHOD FOR THE PREPARATION OF AN ENANTIOMER OF A TETRACYCLIC BENZAZEPINE - The present invention relates to a method for the preparation of mirtazapine and tetracyclic analogous compounds having substantial enantiomeric excess of the R or S form. The invention further relates to a novel intermediate and its use for the preparation of mirtazapine having a substantial enantiomeric excess of the R or S form. The method comprising the steps of a: providing a carboxylic acid compound according to Formula I having a substantial enantiomeric excess of the R or S form, b: converting the carboxylic acid group of compound I into a ketone group, producing a ketone compound of Formula II, c: optionally reducing ketone compound II with a mild reduction agent to form the intermediate hydroxy compound of Formula III and d: forming the mirtazapine of Formula IV by reduction of the ketone compound II or of the hydroxy compound III using a strong reduction agent.10-16-2008
20080255349METHOD FOR THE PREPARATION OF AN ENANTIOMERICALLY PURE BENZAZEPINE - The invention relates to a method for the preparation of a cyclic compound according to formula III comprising reacting a compound according to Formula I and a compound according to formula II,10-16-2008
20090227803PROCESS FOR THE PREPARATION OF ASENAPINE AND INTERMEDIATE PRODUCTS USED IN SAID PROCESS - The invention relates to a novel process for the preparation of asenapine, i.e. trans-5-chloro-2-methyl-2,3,3a,12b-tetrahydro-1H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrole, as well as to novel intermediate products for use in said process.09-10-2009
20100036126STEREOSELECTIVE SYNTHESIS OF (S)-1-METHYL-3-PHENYLPIPERAZINE - This invention provides for a compound according to Formula (1), wherein R02-11-2010
20100152461INTERMEDIATE COMPOUNDS FOR THE PREPARATION OF TRANS-5-CHLORO-2-METHYL-2,3,3A,12B-TETRAHYDRO-1H-DIBENZ[2,3:6,7]-OXEPINO[- 4,5-C]PYRROLE - Disclosed are novel amino acid derivatives of formula (I) and (II)06-17-2010
20100234618Process for the Preparation of Asenapine and Intermediate Products Used in Said Process - The invention relates to a novel process for the preparation of asenapine, i.e. trans-5-chloro-2-methyl-2,3,3a,12b-tetrahydro-1H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrole, as well as to novel intermediate products for use in said process.09-16-2010
20110166363PROCESS FOR THE PREPARATION OF ASENAPINE AND INTERMEDIATE PRODUCTS USED IN SAID PROCESS - The invention relates to a novel process for the preparation of asenapine, i.e. trans-5-chloro-2-methyl-2,3,3a,12b-tetrahydro-1H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrole, as well as to novel intermediate products for use in said process.07-07-2011

Patent applications by Gerardus Johannes Kemperman, Oss NL

Patrick M.j.h. Kemperman, Rotterdam NL

Patent application numberDescriptionPublished
20100322860METHOD FOR DETERMINATION OF A POTENTIAL MUTATION - The invention is directed to a method for non-invasive determination of the potential presence of one or more loss-of-function mutation(s) in the gene encoding for filaggrin.12-23-2010

Wilhelmus Petrus Theodorus Kemperman, Hapert NL

Patent application numberDescriptionPublished
20080292867Method for Manufacturing a Fire Retardant Composite and Composite Thus Obtained - The present invention relates to a method of manufacturing a fire retardant composite, a composite of a foamed polymer having a coating with fire retardant properties, and also the use of such composites. The method according to the present invention comprises the following steps: i) providing beads of foamed polymer, ii) applying a coating on the beads of step i) and iii) shaping the thus coated beads into said composite.11-27-2008
20090000518Aqueous Aluminosilicate Gel-Forming Composition - An aqueous gel-forming composition, e.g. a fire retardant coating composition, comprises an aluminosilicate and an organic liquid having a boiling point greater than 110° C., e.g. silicone oil, which enhances the integrity of films formed by application of the composition as a coating to a surface then followed by drying.01-01-2009
20100018142METHOD OF MANUFACTURING A FIRE RETARDANT COMPOSITE, A COMPOSITE AND ITS USE - A method of manufacturing a fire retardant composite, a composite and its use. A method of manufacturing a fire retardant composite by applying an aqueous gel-forming composition, e.g. a fire retardant coating composition, on a substrate comprises an aluminosilicate, the aluminosilicate comprising alkali metal aluminate and an alkali metal silicate, and an organic liquid having a boiling point greater than 110° C., e.g. silicone oil. The molar ratio of SiO01-28-2010

Patent applications by Wilhelmus Petrus Theodorus Kemperman, Hapert NL