| Document |
Document Title |
|
WO/2013/094340A1 |
A method for producing a high-quality ε-caprolactam, the method involving a crystallization step for crystallizing a high-quality ε-caprolactam by pouring and combining, into and with a crystallization solution in a container, a melted...
|
|
WO/2013/094339A1 |
A method for producing a high-quality ε-caprolactam, the method involving a crystallization step for crystallizing a high-quality ε-caprolactam by pouring and combining, into and with a crystallization solution in a container, a melted...
|
|
WO/2013/077319A1 |
The present invention pertains to a method for removing impurities, the method comprising: providing a first filled layer and a second filled layer that are filled with a filler material and supplying, through a gas supply unit that is l...
|
|
WO/2013/063244A1 |
Methods for producing lactams from oximes by performing a Beckmann rearrangement using a silicoaluminophosphate catalyst are provided. These catalysts may be used in gas phase or liquid phase reactions to convert oximes into lactams. Hig...
|
|
WO/2013/058121A1 |
A production method for ε-caprolactam, including: a step in which a gas-phase reaction is performed whereby a cyclohexanone oxime is caused to come in contact with a solid catalyst, and the cyclohexanone oxime is converted to ε-caprola...
|
|
WO/2013/053377A1 |
The invention relates to a method for preparing a lactam in a continuous process, comprising forming the lactam and ammonium sulphate by contacting a lactam sulphate contained in an acidic liquid with ammonia, during which forming of lac...
|
|
WO/2013/043085A1 |
The invention relates to various fields of medicine, pharmaceutics and pharmacology and the chemical pharmaceutical, pharmaceutical and parapharmaceutical industry, and specifically concerns a novel class of agents which exhibit modulato...
|
|
WO/2012/173679A1 |
A composition may include a binder; a coalescing agent with the general formula of wherein Z is C1-C10, wherein X is -H and Y is =0 or X is =0 and Y is -H or -CH3, and wherein R1 and R2 are independently selectable and comprise a C1-C12 ...
|
|
WO/2012/163764A1 |
The present invention relates to new compositions for producing cast polyamides.
|
|
WO/2012/019674A2 |
The invention relates to a method for preparing a lactam in a continuous process, comprising forming the lactam and ammonium sulphate by contacting a lactam sulphate contained in an acidic liquid with ammonia, during which forming of lac...
|
|
WO/2012/005473A2 |
The present invention provides a method for preparing ε-caprolactam by using high-silica nano-plate zeolite. According to the present invention, the method prepares ε-caprolactam from cyclohexanone oxime by a gas-phase Beckmann rearran...
|
|
WO/2011/149339A1 |
The present invention relates to a method for preparing caprolactone, comprising converting 5-hydroxymethyl-2-furfuraldehyde by hydrogenation into at least one intermediate compound selected from the group of 2,5-tetrahydrofuran-dimethan...
|
|
WO/2011/115132A1 |
Disclosed is a method for producing a high purity, high quality amide compound, specifically, lactam. A first embodiment is characterized in that, in an oximation process, the content for halides, aldehyde compounds, alcohol compounds an...
|
|
WO/2011/108251A1 |
An epsilon-caprolactam manufacturing method capable of manufacturing in good yield, high-quality epsilon-caprolactam containing less impurity has an epsilon-caprolactam purification step A of obtaining purified epsilon-caprolactam from r...
|
|
WO/2011/078668A1 |
The invention relates to a method for preparing caprolactam comprising recovering a mixture containing 6-aminocaproic acid, from a culture medium comprising biomass, and thereafter cyclising the 6-aminocaproic acid in the presence of sup...
|
|
WO/2011/073400A2 |
The invention relates to a process for treating an aqueous solution containing ε-caprolactam, ammonium sulphate and one or more other impurities, comprising one or more organic impurities from a caprolactam production process and option...
|
|
WO/2011/037208A1 |
Disclosed are cyclododecanone-O-azacyclotridecene-2-yloxime represented by formula and a hydrochloride thereof, and a method for producing the same. Further disclosed is a method for producing an amide compound, comprising subjecting cyc...
|
|
WO/2011/034506A1 |
A process is provided for the synthesis of an amide. A primary or secondary amine and a primary alcohol, with the amine and the alcohol being either moieties of different reactants or moieties of the same molecule, are contacted in the p...
|
|
WO/2010/125040A1 |
The present invention relates to a method for preparing lactams by cyclising hydrolysis of a corresponding aminonitrile. The invention relates to a method for manufacturing a lactam by reacting an aminonitrile with water in the presence ...
|
|
WO/2010/099963A1 |
In a method for depolymerizing polycaprolactam, the polycaprolactam is provisioned to be fused and applied as a fresh melt to a hot melt made of non-volatile or only partly volatile materials.
|
|
WO/2010/101229A1 |
Disclosed is a method for producing an amide compound via the Beckmann rearrangement of an oxime compound using a rearrangement catalyst which is a compound having at least two electron-withdrawing leaving groups, characterized by compri...
|
|
WO/2010/063276A1 |
The present invention relates to processes for the production of lactams such as ε-Caprolactam, ω-Laurolactam, or of carboxylic acid amides such as acetaminophenol and benzanilide by Beckman rearrangement from the corresponding oximes ...
|
|
WO/2010/060801A1 |
A process for removing by-products from N-vinylamide-rich product mixtures (crude N-vinylamide), characterized in that an extraction of the crude N-vinylamide is performed with an organic solvent as the extractant.
|
|
WO/2010/058314A1 |
This invention relates to known and novel hydroxyquinolin-2(1H)-ones and derivatives thereof which are useful for the treatment of cognitive-related disorders and neuropathic pain disorders in a mammal, e.g., a human. The invention also ...
|
|
WO/2010/041943A2 |
The invention relates to a method for preparing ε-caprolactam comprising deacylating N-acyl-6-aminocaproic acid and forming ε-caprolactam. The deacylation may be carried out chemically or biocatalytically. The invention further relates...
|
|
WO/2010/026147A1 |
The invention relates to a process for extracting an impurity from an organic phase comprising caprolactam, comprising extracting the impurity by washing said organic phase as a discontinuous phase with an aqueous phase as a continuous p...
|
|
WO/2010/020441A1 |
A continuous method for extracting monomeric caprolactam and oligomers produced therefrom from the raw polymer product obtained during the polymerization process for obtaining polyamide 6 is described. In said continuous method, process ...
|
|
WO/2009/150838A1 |
A process for amide or lactam production which comprises subjecting an oxime compound to rearrangement to yield the corresponding amide or lactam in a solvent in the presence of: at least one catalyst selected from a group consisting of ...
|
|
WO/2009/142206A1 |
Disclosed is a process for producing a laurolactam from cyclododecanone oxime by a liquid phase rearrangement reaction in the presence of trichlorotriazine as a rearrangement catalyst. The production process can solve a problem of the s...
|
|
WO/2009/133801A1 |
Disclosed is a process for producing an amide or a lactam, particularly laurolactam, which is characterized by using catalytic amounts of an acidic chloride and a Lewis acid in the Beckmann rearrangement of an oxime compound. According t...
|
|
WO/2009/125720A1 |
Provided is an easy, industrially-useful production method for producing laurolactam by a cyclododecanone oxime Beckmann rearrangement reaction. In this method, the cyclododecanone oxime Beckmann rearrangement reaction is carried out usi...
|
|
WO/2009/116537A1 |
Disclosed is an easy and industrially advantageous method for manufacturing a high yield of laurolactam by means of the Beckmann rearrangement reaction of cyclododecanone oxime. Laurolactam is produced through the Beckmann rearrangement ...
|
|
WO/2009/103560A1 |
Present invention describes the direct catalytic liquid phase synthesis of caprolactam from cyclohexa- none, hydrogen peroxide and ammonia. The invention can be carried out by using mesoporous materials amongst the MMS family (mesoporous...
|
|
WO/2009/099134A1 |
A production method and a highly active, stable, and very safe catalyst with minimal formation of by-products are provided for producing a cyclic lactam. The method produces a cyclic lactam compound by providing a cycloalkylideneaminooxy...
|
|
WO/2009/098259A2 |
A method is described for producing lactamates by reacting alcoholates with lactams, wherein a reaction mixture comprising at least one alcoholate and at least one lactam is subjected to thin film evaporation.
|
|
WO/2009/075608A9 |
The invention relates to caprolactam production methods and can be used for processing benzol and phenol, cyclohexane, cyclohexanol and cyclohexanone followed by subsequent oximation and transformation of cyclohexanonoxime into caprolact...
|
|
WO/2009/069522A1 |
Disclosed is a method for producing laurolactam from cyclododecanone and hydroxylamine efficiently through a simple process. The method comprises the following steps (a) to (e): (a) reacting cyclododecanone with hydroxylamine contained i...
|
|
WO/2009/016378A2 |
An improved process for the hydrolysis of nylon polymer is herein disclosed using ionic liquids and optionally one equivalent of sulfuric acid per amide residue of the polymer. The process provides for a simplified means for separation o...
|
|
WO/2008/145312A1 |
The invention relates to a method of contacting a cyclic oxime with a Brønsted acidic ionic liquid having a sulfur atom in the anionic portion and/or the cationic portion further comprising mechanical stirring, microwave irradiation and...
|
|
WO/2008/103366A2 |
Catalytic processes for preparing caprolactam, pipecolinic acid, and their derivatives, from lysine or alpha-amino-epsilon-caprolactam starting materials, and products produced thereby. A process for preparing caprolactam or a derivative...
|
|
WO/2008/096873A1 |
Disclosed is a method for producing laurolactam from cyclododecanone and hydroxylamine in a simple process and with high efficiency. The method comprises the following steps (a) to (e): (a) reacting cyclododecanone with hydroxylamine in ...
|
|
WO/2008/081726A1 |
Disclosed is a process for producing an amide or a lactam in a simple manner and in high yield by allowing the rearrangement reaction of an oxime compound to proceed while preventing the production of a by-product such as ammonium sulfat...
|
|
WO/2008/078642A1 |
Disclosed is a method for commercially efficiently producing a lactam compound having 8-15 carbon atoms at low cost, wherein a rearrangement reaction of a cyclic oxime compound is caused to proceed without producing much by-products such...
|
|
WO/2008/064887A1 |
The invention relates to a method for preparing an intermediate compound for a diisocyanate, comprising reacting a diamine represented by the formula H2N-(CH2)0-Y-(CH2)p-NH2 wherein Y is selected from CH(OX) or CH(COOX), o and p each are...
|
|
WO/2007/125002A1 |
The present invention is directed to a process for preparing amides. In particular, the process is directed to a process performable on the industrial scale, in which a ketoxime can be converted to a cyclic or acyclic amide by means of a...
|
|
WO/2007/105482A1 |
A process for the production of amides or lactams by conducting the rearrangement of an oxime in the presence of a cyclic compound having a structure represented by the general formula (1) as a ring constituent and a fluorinated alcohol ...
|
|
WO/2007/099029A2 |
Disclosed is a method for purifying caprolactam made from lysin by treating caprolactam with an acid or an acidic ion exchanger. Also disclosed is the use for producing high-molecular polyamide (polyamide 6).
|
|
WO/2007/066492A1 |
Disclosed is a process for production of a lactam (particularly, an industrially useful lactam, e.g., laurolactam) with high selectivity, comprising hydrogenating a cyclic dicarboxylic acid imide having a large number of ring members (pa...
|
|
WO/2007/060828A1 |
Disclosed is a commercially advantageous method for obtaining a monomer by performing a depolymerization reaction of a polyamide. Specifically disclosed is a method for obtaining a monomer through a depolymerization reaction of a polyami...
|
|
WO/2006/136699A2 |
The invention relates to a method for preparing a lauryl lactam consisting in carrying out a Beckmann rearrangement of a cyclododecanone oxime. Said method is carries out in a gaseous phase at a temperature ranging from 180 to 450 °C in...
|
