Patents
Patents for C07D 201 - Preparation, separation, purification, or stabilisation of unsubstituted lactams (2,192)
06/2010
06/10/2010US20100145003 Catalytic Deamination for Caprolactam Production
06/10/2010DE102008060340A1 Herstellung von Lactamen und Carbonsäureamide durch Beckmann-Umlagerung von Oximen in Gegenwart von Nb-Katalysatoren Preparation of lactams and carboxamides by Beckmann rearrangement of oximes in the presence of Nb catalysts
06/10/2010DE102008059930A1 Vorrichtung und Verfahren für katalytische Gasphasenreaktionen sowie deren Verwendung Apparatus and method for catalytic gas phase reactions and their use
06/03/2010WO2010060801A1 Process for removing by-products from n-vinylamides
05/2010
05/27/2010WO2010058314A1 Hydroxyquinolin-2(1h)-ones and derivatives thereof
05/26/2010CN101712650A Method for synthesizing caprolactam in one step by liquid phase hydrogenation of nitrocyclohexane
05/26/2010CN101168524B Method for preparing low sulfonated caprolactam
05/19/2010CN101709053A Process for preparing caprolactam
04/2010
04/29/2010US20100105893 METHOD FOR PRODUCING epsilon-CAPROLACTAM AND METHOD FOR PRODUCING PENTASIL TYPE ZEOLITE
04/27/2010US7705033 Methods and compounds for producing dipeptidyl peptidase IV inhibitors and intermediates thereof
04/22/2010WO2010020441A4 Continuous method for the extraction of polyamide 6
04/21/2010EP1648865B1 Process for purifying caprolactam
04/15/2010WO2010041943A2 METHOD FOR PREPARING ε-CAPROLACTAM FROM N-ACYL-6-AMINOCAPROIC ACID
04/14/2010EP2173800A2 Ionic liquid solvents and a process for the depolymerization of polyamides
04/14/2010CN101190893B System and method for purifying crude caprolactam water solution
03/2010
03/31/2010CN101684076A Method for preparing amide
03/30/2010US7687621 adsorbing a silicon compound on a zeolite catalyst that had been used for a Beckmann rearrangement reaction of cyclohexanone oxime (to produce e-caprolactam) and contacting the catalyst with an aqueous solution containing ammonia; allows e-caprolactam to be produced with a favorable yield for a long time
03/24/2010CN101679233A Method of making a lactam in an ionic liquid
03/17/2010CN101671303A Process for directly synthesizing caprolactam by using cyclohexanone
03/11/2010WO2010026147A1 Washing of an organic phase comprising caprolactam
03/11/2010US20100063274 Method for preparing amide
03/09/2010US7674934 Stabilizers for use in NVP synthesis
02/2010
02/25/2010WO2010020441A1 Continuous method for the extraction of polyamide 6
02/24/2010EP2157080A2 Method for producing epsilon caprolactam and method for producing pentasil type zeolite
02/24/2010EP2156933A1 Continuous method for extracting polyamide 6
02/10/2010EP2150529A1 Method of making a lactam in an ionic liquid
02/04/2010US20100029932 Process for production of amide or lactam
02/04/2010US20100029931 Method for producing lactam compound
02/03/2010EP2148856A2 Catalytic deamination for carprolactam production
01/2010
01/14/2010US20100010236 Catalytic process for preparing (meth)acrylic esters of n-hydroxyalkylated lactams
12/2009
12/30/2009WO2009098259A3 Method for producing lactamates by way of thin film evaporation
12/30/2009CN101613311A System and method for reclaiming hexanolactam from rearrangement mixture
12/23/2009EP1858843B1 Process for making caprolactam
12/17/2009WO2009150838A1 Process for producing amide or lactam
12/17/2009US20090312542 System and method for recovering caprolactam from rearrangement mixtures
12/16/2009EP1284962B1 Method for obtaining pure n-vinyl pyrrolidone
12/09/2009EP1280768B1 Method for producing caprolactam from 6-aminocapronitrile
11/2009
11/26/2009WO2009142206A1 Process for producing laurolactam
11/25/2009EP2123635A1 Method for production of laurolactam
11/11/2009EP2116529A1 Process for production of amide or lactam
11/11/2009CN100558708C Method for preparing monamide
11/10/2009US7615137 Process for recovering caprolactam from aqueous caprolactam product using in situ prepared alkali amino caproate
11/05/2009WO2009133801A1 Process for production of amide or lactam
10/2009
10/21/2009EP1062203B2 Process for the continuous purification of crude epsilon-caprolactam
10/21/2009CN100551909C Method for producing pyrrolidones
10/15/2009WO2009125720A1 Laurolactam production method
10/14/2009EP1838668B1 Preparation of lactams
09/2009
09/30/2009CN101547897A Process for production of amide or lactam
09/30/2009CN101547896A Method for producing lactam compound
09/24/2009WO2009116537A1 Manufacturing method for laurolactam
09/23/2009CN101541746A Catalytic deamination for carprolactam production
09/17/2009WO2009075608A3 Method for controlling caprolactam production
09/17/2009US20090234115 Production of Lactams
09/09/2009EP2098506A1 Production of lactams by ammoximation of cyclic ketones
08/2009
08/27/2009WO2009103560A1 PRODUCTION OF LACTAMS BY AMMOXIMATIσN OF CYCLIC KETONES
08/26/2009CN100531908C Process for preparing catalyst for use in preparation of caprolactam from cyclohexanone oxime
08/19/2009EP1648864A4 Photochromic diarylethene-containing coordination compounds and the production thereof
08/18/2009US7576198 A hydroxy compound containing substituted orpyridine, pyrazine, pyrimidine, oxazole, thiadiazole, quinoline, isoquinoline etc. as anti HIV agent, for treating AIDS
08/13/2009WO2009099134A1 Production method and beckmann rearrangement catalyst for producing a cyclic lactam compound
08/13/2009WO2009098259A2 Method for producing lactamates by way of thin film evaporation
08/13/2009DE102008000259A1 Verfahren zur Herstellung von Lactamaten durch Dünnschichtverdampfung A process for preparing Lactamaten by thin film evaporation
08/13/2009CA2713823A1 Method for producing lactamates by way of thin film evaporation
07/2009
07/30/2009WO2009075608A9 Method for controlling caprolactam production
07/29/2009EP1581486B1 Method for assaying compounds that decrease the activity of poly(adp-ribose)-polymerase (parp)
07/16/2009US20090182139 Process for the preparation of an n-alkyl lactam with improved colour quality
07/15/2009EP2006283A9 Process for production of amides or lactams
07/08/2009EP1278726B1 Method for producing cyclic lactams
06/2009
06/18/2009WO2009075608A2 Method for controlling caprolactam production
06/16/2009US7547778 Process for the preparation of MFI-type zeolitic catalysts
06/10/2009CN100497316C Process for preparing caprolactam by cyclohexanone-oxime gas phase rearrangement
06/04/2009WO2009069522A1 Method for production of laurolactam
05/2009
05/27/2009EP1361211B1 Method for producing e-caprolactam
05/26/2009US7538143 Method for the treatment of waste containing polyamide with the reprocessing of the depolymerisation residue
05/21/2009US20090131657 Process for alkenylating carboxamides
05/20/2009CN101434569A Method and equipment for preparing caprolactam from cyclohexanone oxime
05/13/2009CN101432260A Process for preparing amides from ketoximes
05/13/2009CN101429149A Method for producing Epsilon-hexanolactam with cyclohexanone oxime gas-phase beckmann rearrangement
05/13/2009CN101429148A Process for production of Epsilon-hexanolactam
05/06/2009CN101423487A Method for recovering epsilon-caprolactam by catalysis waste nylon 6 degradation
04/2009
04/22/2009CN101415673A Process for the preparation of an N-alkyl lactam with improved colour quality
04/09/2009WO2009016378A3 Ionic liquid solvents and a process for the depolymerization of polyamides
03/2009
03/10/2009US7501047 catalytically converting a mixture of 6-aminocapronitrile and water to caprolactam, ammonia, water, high boilers and low boilers; removing ammonia and water; and removing the high and low boilers by a series of distillation steps including adding a mineral acid
03/04/2009EP1660443B1 Cyclic amine bace-1 inhibitors having a benzamide substituent
03/04/2009EP1601649A4 A1 adenosine receptor antagonists
02/2009
02/26/2009WO2008103366A4 Catalytic deamination for carprolactam production
02/17/2009US7491859 System of platium, palladium catalyst with bidentate ligands of bicyclo-phosphino-alkanes; improved selectivity
02/05/2009WO2009016378A2 Ionic liquid solvents and a process for the depolymerization of polyamides
02/03/2009CA2326846C A convergent synthesis of .alpha.-aryl-.beta.-ketonitriles
01/2009
01/29/2009DE10038747B4 Verfahren zur Reinigung von Alkenylverbindungen A process for purifying alkenyl
01/27/2009US7482446 Impure amide product; 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
01/22/2009DE102008040401A1 Monomer composition, useful for polymerization reaction, comprises liquid N-vinyl-epsilon-caprolactam and a N-oxyl-compound of a secondary amine, which carries no hydrogen atoms at the alpha-carbon atom
01/15/2009US20090018311 Methods and compounds for producing dipeptidyl peptidase iv inhibitors and intermediates thereof
01/14/2009EP2013162A1 Process for preparing amides from ketoximes
01/14/2009CN100450619C Method for producing epsilon-carpolactam and method for reactivating catalyst for producing epsilon-carpolactam
01/01/2009US20090005532 Synthesis of caprolactam from lysine
12/2008
12/24/2008WO2008103366A3 Catalytic deamination for carprolactam production
12/24/2008WO2008103366A2 Catalytic deamination for carprolactam production
12/24/2008EP2006283A2 Process for production of amides or lactams
12/24/2008EP2004599A2 Process for the preparation of an n-alkyl lactam with improved colour quality
12/17/2008EP1230214B1 Novel genes tzap7/a, tzap7/b and tzap7 involved in t cell activation and uses thereof
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ... 22