| Patents for C07D 201 - Preparation, separation, purification, or stabilisation of unsubstituted lactams (2,192) |
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| 06/28/2006 | CN1795172A Continuous process for preparing caprolactam |
| 06/28/2006 | CN1795171A Continuous process for preparing caprolactam |
| 06/28/2006 | CN1793124A Process for refining high purifity hexanpropylamide |
| 06/21/2006 | CN1791574A Process for rectifying N-vinyl-2-pyrrolidone |
| 06/21/2006 | CN1791401A Methods and compounds for producing dipeptidyl peptidase IV inhibitors and intermediates thereof |
| 06/15/2006 | WO2006061487A1 Method for the preparation of cyclohexanone |
| 06/14/2006 | EP1427702B1 Method for the production of 2-pyrrolidone |
| 06/14/2006 | CN1259310C Process for extracting and separating caprolactam from amide oil |
| 06/13/2006 | US7060820 hydrolytic cyclization of an aminonitrile; vapor phase; acid catalysts; fixed bed adiabatic process; separation by distillation |
| 06/13/2006 | US7060819 Hydrogenation using hydrogenation catalyst; distillation |
| 06/13/2006 | US7060645 Method for manufacturing zeolite and method for manufacturing ε-caprolactam |
| 06/07/2006 | EP1585725A4 Compounds which mimic the chemical and biological properties of discodermolide |
| 06/07/2006 | CN1258528C Method for the production of 2-pyrrolidone |
| 06/06/2006 | US7057082 Process for the telomerization of a conjugated diene, catalyst and bidentate ligand useful therein |
| 05/31/2006 | CN1778796A Production of hexyl lactam in ion liquid |
| 05/31/2006 | CN1778795A Production of hexyl lactam |
| 05/16/2006 | US7045622 Process for producing lactam |
| 05/10/2006 | EP1346981B1 Process for synthesizing beta-lactams |
| 05/10/2006 | CN1255379C E-alpha-chloro alkyllene-beta-lactan compound synthetic method and its use |
| 05/04/2006 | US20060094873 Producing and purifying amides such as caprolactam from e.g. cyclohexanone oxime and oleum as catalyst; involves heating rearrangement mass to break down impurities; high purity product for industrial use as reagent or intermediate |
| 05/04/2006 | US20060090994 Method for purifying caprolactam |
| 04/26/2006 | EP1648865A1 Process for purifying caprolactam |
| 04/26/2006 | EP1648864A1 Photochromic diarylethene-containing coordination compounds and the production thereof |
| 04/26/2006 | CN1253554C acidophilic bacteria strain with nitrile hydrolase activity |
| 04/20/2006 | WO2006016060A3 Method for catalytic hydrogenation purification of lactam containing chorolactam impurities |
| 04/20/2006 | US20060084832 reacting 1,3-butadiene with a compound containing an active hydrogen atom such as water, alkanol or a hydroxy-aromatic in the presence of a group VIII metal catalyst and phosphabicycloalkyl ring ligand |
| 04/19/2006 | CN1252050C Process for recovering caprolactam from aqueous caprolactam product using in situ prepared alkali amino caproate |
| 04/13/2006 | US20060079678 Countercurrently contacting aqueous ammonia with an organic solvent solution of cyclohexanone; distilling the organic solution produced to form an organic solvent fraction, cyclohexanone oxime fraction, and a mixture of cyclohexanone and the oxime; and recycling the oxime mixture to the synthesis zone |
| 04/11/2006 | US7026474 Method for producing ε-caprolactam and method for reactivating catalyst for production of ε-caprolactam |
| 04/11/2006 | US7026473 Process for the carbonylation of pentenenitrile |
| 04/05/2006 | EP1565435B1 Method for purifying caprolactam |
| 04/05/2006 | CN1249031C Process for refining aqueous hexanolactam solution by hydrogenation |
| 04/04/2006 | US7022844 Amide-based compounds, production, recovery, purification and uses thereof |
| 04/04/2006 | US7022842 Process for synthesizing beta-lactam |
| 03/29/2006 | EP1546095B1 PROCESS FOR THE PREPARATION OF e-CAPROLACTAM FROM A MIXTURE COMPRISING 6-AMINOCAPROAMIDE AND/OR OLIGOMERS |
| 03/29/2006 | CN1247545C Method of eliminating miniature amount of impurities in epsilon-caprolactam water solution |
| 03/22/2006 | EP1636180A1 Process for rectifying n-vinyl-2-pyrrolidone |
| 03/22/2006 | EP1636179A1 Method for making caprolactam from impure 6-amino-capronitrile containing tetrahydroazepine |
| 03/15/2006 | EP1633706A1 Process for preparing caprolactam by beckmann rearrangement |
| 03/08/2006 | CN1244545C Production of 6-aminocaproic acid |
| 03/02/2006 | WO2004052850A3 Methods and compounds producing dipeptidyl peptidase iv inhibitors and intermediates thereof |
| 03/02/2006 | US20060047113 Improves the conversion of cyclohexanone oxime and the yield of epsilon -caprolactam in gas phase Beckmann rearrangement of cyclohexanone oxime |
| 03/01/2006 | EP1628955A1 Continuous process for preparing caprolactam |
| 03/01/2006 | CN1742002A Novel piperazine derivatives and their use as synthesis intermediates |
| 02/23/2006 | US20060041122 Method for purifying caprolactam |
| 02/22/2006 | EP1626953A1 Process for preparing caprolactam by admixture of cyclohexanone oxime to a reaction mixture under turbulent flow conditions |
| 02/22/2006 | CN1242988C Method for preparing caprolactam |
| 02/16/2006 | WO2006016060A2 Method for catalytic hydrogenation purification of lactam containing chorolactam impurities |
| 01/25/2006 | CN1724366A Method for manufacturing zeolite and method for manufacturing epsilon-caprolatam |
| 01/24/2006 | US6989444 Process for producing lactam |
| 01/18/2006 | EP1615880A2 Preparation and purification of synthetic capsaicin |
| 01/18/2006 | CN1237048C Method for distilling separating mixture mainly containing 6-amino cyanide and 1,6-dexanediamine |
| 01/11/2006 | EP1614657A2 Method for manufacturing zeolite and method for manufacturing epsilon-caprolactam |
| 01/05/2006 | US20060004194 Method for manufacturing zeolite and method for manufacturing epsilon-caprolatam |
| 01/04/2006 | CN1234692C Process for oximation reaction cyclohexaone continuous feeding |
| 12/29/2005 | WO2005123669A1 Synthesis of caprolactam from lysine |
| 12/29/2005 | WO2004092122A3 Preparation and purification of synthetic capsaicin |
| 12/29/2005 | WO2004026820A3 Method for assaying compounds that decrease the activity of poly(adp-ribose)-polymerase (parp) |
| 12/21/2005 | EP1606252A2 Production of n-(methyl-aryl)-2-lactam, n-(methyl cycloaklyl)-2-lactam and n-alkyl-2-lactam by reductive amination of lactones with aryl and alkycyano compounds |
| 12/21/2005 | EP1606249A2 Compounds, a process for their preparation and their use as dyes and pigments |
| 12/21/2005 | CN1711242A Method for purifying caprolactam |
| 12/21/2005 | CN1711241A Method for purifying caprolactam |
| 12/07/2005 | EP1601649A2 A1 adenosine receptor antagonists |
| 12/07/2005 | EP0912508B2 Process for preparing caprolactam from 6-aminocapronitrile |
| 11/29/2005 | CA2194189C Process for producing cyclic lactames |
| 11/23/2005 | CN1699340A Method for carrying out high efficiency premixing reaction |
| 11/16/2005 | CN1227226C Preparation of Lactams from aliphatic alpha, omega-dinitriles |
| 11/16/2005 | CN1227218C Process for preparing 6-aminocaproamide |
| 11/15/2005 | CA2248686C Process for depolymerizing polycaprolactam processing waste to form caprolactam |
| 11/09/2005 | EP1593433A1 Method for producing epsilon-Carpolactam and method for reactivating catalyst for producing epsilon-Carpolactam |
| 11/09/2005 | EP0850219B1 Recovery of caprolactam from nylon-6 scrap |
| 11/03/2005 | US20050245740 Method for producing E-caprolactam |
| 11/02/2005 | EP1590323A2 Piperazine derivatives and their use as synthesis intermediates |
| 11/02/2005 | CN1225448C Process for producing aliphatic aldehydic acid and/or aliphatic dicarboxylic acid and catalyst for production |
| 10/26/2005 | CN1688542A Process for the preparation of epsilon-caprolactam from a mixture comprising 6-aminocaproamide and/or oligomers |
| 10/19/2005 | EP1585725A2 Compounds which mimic the chemical and biological properties of discodermolide |
| 10/12/2005 | CN1680331A Method for producing epsilon-caprolactam |
| 10/12/2005 | CN1680036A Method for producing epsilon-carpolactam and method for reactivating catalyst for producing epsilon-carpolactam |
| 10/05/2005 | EP1582515A1 Method for producing epsilon-caprolactam |
| 10/05/2005 | EP1581487A2 Methods and compounds producing dipeptidyl peptidase iv inhibitors and intermediates thereof |
| 10/05/2005 | EP1581486A2 Method for assaying compounds that decrease the activity of poly(adp-ribose)-polymerase (parp) |
| 10/05/2005 | EP1444241B1 Bidendate ligands for the carbonylation of unsaturated compounds |
| 10/05/2005 | EP1278727B1 Method for producing cyclic lactams |
| 09/28/2005 | EP1578722A2 Kinase inhibitor scaffolds and methods for their preparation |
| 09/28/2005 | CN1220680C Preparation method of epsilon-caprolactam |
| 08/31/2005 | CN1216862C Method for processing pyrollidone and N-vinyl pyrollione residues |
| 08/24/2005 | EP1565435A1 Method for purifying caprolactam |
| 08/18/2005 | US20050182254 Method for producing epsilon-caprolactam and method for reactivating catalyst for production of epsilon-caprolactam |
| 08/17/2005 | EP1562896A1 Method for purifying caprolactam |
| 08/17/2005 | CN1215058C Process for separation of ketoxime or aldoxime from amide |
| 08/11/2005 | US20050176954 from mixtures comprising caprolactam, water, light components including unsaturated lactams and heavy components, by vacuum distillation, then hydrogenating the unsaturated lactams |
| 08/03/2005 | EP1076054B1 PROCESS FOR PRODUCING ε-CAPROLACTAME |
| 08/03/2005 | CN1213027C Method for obtaining pure N-vinyl pyrrolidone |
| 07/13/2005 | CN1636979A Method for separating cis-3, 5-dimethylpiperidine from a mixture of its geometrical isomers |
| 07/06/2005 | CN1635996A Topical agent for dermatological use containing 4-hydroxyphenyl-alpha-D-glucopyranoside |
| 06/29/2005 | EP1546095A1 PROCESS FOR THE PREPARATION OF e-CAPROLACTAM FROM A MIXTURE COMPRISING 6-AMINOCAPROAMIDE AND/OR OLIGOMERS |
| 06/29/2005 | CN1208317C Process for preparation of epsilon-caprolatam |
| 06/22/2005 | CN1629143A Process for extracting and separating caprolactam from amide oil |
| 06/15/2005 | EP1539689A2 Antisense modulation of endothelial lipase expression |
| 06/15/2005 | CN1206161C Process for treating mixture comprising ammonium sulfate solution and aqueous lactam phase |