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Patent Searching and Data


Matches 651 - 700 out of 17,665

Document Document Title
WO/2014/198764A1
The present invention relates to a method for producing semi-aromatic copolyamides with a high diamine excess in the reaction batch.  
WO/2014/198770A1
The present invention relates to a method for producing an aliphatic or partially aromatic polyamide, in which a polyamide prepolymer undergoes a solid-phase polymerization process.  
WO/2014/198767A1
The invention relates to a device for the synthesis of a polymer with extraction of a gaseous substance (8) comprising a reaction chamber (1) that comprises a substantially circular-cylindrical upper section (11), which is delimited by t...  
WO/2014/198755A1
The invention relates to a method for producing an aliphatic or semi-aromatic polyamide oligomer. According to the invention, an aqueous composition of the monomers is oligomerized at elevated temperature and elevated pressure and the pr...  
WO/2014/198759A1
The present invention relates to a process for the preparation of an aliphatic or partially aromatic polyamide, in which an aqueous composition of the monomers is subjected to an oligomerization at elevated temperature and increased pres...  
WO/2014/200082A1
[Problem] To provide: a polyamide resin composition which has excellent flame retardancy and heat resistance, also has excellent strength, exhibits a high lightness value before and after a reflow process, and can be yellow-discolored to...  
WO/2014/195160A1
The present invention relates to a new type of rapid initiation mechanism for the anionic, ring-opening polymerization of laurolactam by means of latent initiators based on thermally activatable N-heterocyclic carbene compounds, such as ...  
WO/2014/195618A1
The invention relates to a method for producing a polyamide-ester, comprising at least the following steps: preparing a mixture of gelatin, at least one organic acid, glycerol and at least one mineral acid; subjecting the mixture to a th...  
WO/2014/193050A1
A continuous solid-state polymerization device of the present invention comprises: a feeder for continuously injecting a prepolymer; a horizontal reactor, connected through a first connection part to the feeder, for receiving the prepoly...  
WO/2014/191303A1
The invention concerns a polymer, chosen from polyamide, polyimide and polyamideimide, obtained through polymerisation of at least one or several alkyl-BHT diamine chosen from methyl-bis hexamethylene triamine, ethyl-bis hexamethylene tr...  
WO/2014/160416A3
A medical device, such as a dilatation balloon, including plasticized nylon, and plasticized nylon.  
WO/2014/187153A1
Disclosed is polyamide resin, formed of the following components: component A: 40 mol% to 48 mol% of 1,10-diaminodecane and 2 mol% to 10 mol% of 1,6-diaminohexane; and component B: 40 mol% to 48 mol% of a terephthalic acid and 2 mol% to ...  
WO/2014/187183A1
Disclosed is polyamide resin, which is formed of the following repeated unit components: component A: a 10T unit formed of 80 mol% to 99 mol% of 1,10-diaminodecane and a terephthalic acid; and component B: 1 mol% to 20mol% of 1,10-diamin...  
WO/2014/189151A1
To provide a method for producing a polymer, which contains: bringing a ring-opening polymerizable monomer containing an amide bond, and a compressive fluid into contact with each other to melt or dissolve the ring-opening polymerizable ...  
WO/2014/187152A1
Disclosed is polyamide resin, which is formed of the following repeated unit components: component A: 40 mol% to 48 mol% of 1,10-diaminodecane and 2 mol% to 10 mol% of 1,6-diaminohexane; and component B: 40 mol% to 48 mol% of a terephtha...  
WO/2014/188911A1
The present invention provides, as a cell carrier, a photodegradable crosslinking agent with which it is possible to produce a photodegradable gel with an appropriate water content, adequate water solubility, and sufficient strength to f...  
WO/2014/185671A1
The present invention relates to: a novel polyamide polymer obtained by polymerizing monomers comprising an aromatic diamine substituted with a nitrile group and an amide group and an aromatic dibasic acid compound; a spinning dope there...  
WO/2014/184351A1
The invention concerns a method for the surface crosslinking of a polymer, in particle form, having one or a plurality of labile hydrogen functions, comprising a step of implementing a crosslinking agent comprising at least two functions...  
WO/2014/181999A1
Provided is a polyoxymethylene composition capable of having excellent thermal stability, reducing formaldehyde, improved tribology property including friction, wear and lubrication properties so as to be usable in an article moving with...  
WO/2014/179066A1
A process for producing a partially balanced acid solution that involves metering dicarboxylic acid powder, based on weight, from a loss-in-weight feeder to a feeding conduit that transfers the dicarboxylic acid powder at a low variabili...  
WO/2014/179044A1
The present invention relates to methods, systems, and apparatus for making polyamides having at least two heat-transfer media for transferring heat to a tubular reactor. The method includes heating a first flowable heat-transfer medium,...  
WO/2014/179027A1
The present invention relates to methods, systems, and apparatus for making polyamides having at least two heat-transfer media. The method includes heating a first flowable heat-transfer medium, to provide a heated first flowable heat-tr...  
WO/2014/179048A1
A system for the preparation of a polyamide comprises a primary polymerization system configured to convert one or more starting materials to a polyamide product, a conduit downstream from the primary polymerization system, the conduit c...  
WO/2014/179064A1
Disclosed are nylon salt solution preparation processes including a trim diamine feed. The trim diamine is added to a recirculation loop in a continuous stirred tank reactor, where it is blended with the nylon salt solution via a pump. T...  
WO/2014/179029A1
The present disclosure relates to systems and methods for recovering water from a condensation reaction of at least one carboxylic acid and at least one diamine to make polyamide. The method can include obtaining, from an evaporator, an ...  
WO/2014/179049A1
Apparatuses and methods for preparing polyamide polymer with reduced foaming comprise steps of introducing a polymerizable composition including a polyamide salt into an agitated autoclave for polymerization, and increasing pressure with...  
WO/2014/179036A1
A system is configured for continuous polyamide synthesis. The system includes a vent condenser and a vacuum pump. The vent condenser is coupled to a polymerization finisher. The vent condenser has a liquid reservoir and a vent discharge...  
WO/2014/179061A1
Disclosed are process controls for controlling the continuous preparation of nylon salt solution. The process controls include feed forward controls. A model is generated to achieve a target pH and/or salt concentration. Feed rates are s...  
WO/2014/179025A1
The present disclosure relates to systems and methods for manufacturing a polyamide. The method can include obtaining, from a reservoir, an aqueous solution comprising a dicarboxylic acid, a diamine, and water having a substantially liqu...  
WO/2014/177603A1
The invention relates to a method for synthesizing a polyamide, in which method an aqueous solution is sprayed onto the polyamide before and/or during a solid-state post-condensation process. The aqueous solution comprises at least a fir...  
WO/2014/179058A1
Disclosed are process controls for controlling the continuous preparation of nylon salt solution. The process controls include feed forward controls. A model is generated to achieve a target pH and/or salt concentration. Feed rates are s...  
WO/2014/179051A1
The disclosure relates to apparatuses and methods for production of polyamide polymers utilizing additive injectors. In one embodiment, an apparatus for batch production of a polyamide polymer is provided. The apparatus can include a sal...  
WO/2014/179035A1
A side stream compounding unit is coupled to a continuous polyamide manufacturing system and is configured to divert polyamide from the manufacturing system, mixes additive with polyamide, and then return the polyamide-additive mixture t...  
WO/2014/179065A1
A continuous process for producing a nylon salt solution prepared using a liquid partially balanced acid solution enriched in dicarboxylic acid, and in particular adipic acid. The liquid feed is prepared by metering dicarboxylic acid pow...  
WO/2014/179030A1
A finisher assembly includes a finisher agitator having a spiral ribbon. The spiral ribbon includes an exterior edge that wipes a polymer fluid from an inner vessel wall of a finisher vessel of the assembly. One or more mixing struts are...  
WO/2014/179043A1
A polymerization autoclave having an exterior heating assembly can include an autoclave vessel body, an autoclave inlet, a pressure release valve, and a heating conduit. The autoclave vessel body defines an interior reaction chamber with...  
WO/2014/179037A1
Described herein are methods of preparing high molecular weight polyamides which reduce or eliminate the production of unwanted gels during the production process. These methods reduce the formation of undesired polyamide gel by polishin...  
WO/2014/179034A1
The present invention relates to methods, systems, and apparatus for synthesizing a polyamide and including multiple back-ends. The method can be a method of synthesizing a polyamide, including evaporating a mixture comprising an oligome...  
WO/2014/179042A1
The present disclosure relates to methods and systems for monitoring for gel formation in the production of a polyamide product. In one embodiment, the present invention provides a method that can include directing a partially polymerize...  
WO/2014/178270A1
[1] A xylylenediamine composition comprising xylylenediamine and bis(methylbenzyl)amine, wherein the content of bis(methylbenzyl)amine is 0.0005 to 0.1 part by mass relative to 100 parts by mass of xylylenediamine; and [2] a method for p...  
WO/2014/179057A1
Disclosed are nylon salt solution preparation processes including a loss-in-weight feeder and a continuous stirred tank reactor. The nylon salt solution is prepared by feeding a dicarboxylic acid monomer and a diamine monomer to a single...  
WO/2014/179056A1
The present disclosure provides methods and apparatuses providing uniform polyamide pellets. In one example, a method can include maintaining a vacuum during a pre-casting polymerization cycle of the cyclic process such that the pre-cast...  
WO/2014/179052A1
An agitated autoclave comprises an autoclave vessel, an agitator, and a mechanical seal. The autoclave vessel can be adapted to receive and polymerize a polyamide salt composition to form a polyamide polymer. The agitator includes a shaf...  
WO/2014/179067A1
Disclosed are process controls for controlling the continuous preparation of nylon salt solution. The process controls include feed forward controls. A model is generated to achieve a target pH and/or salt concentration. Feed rates are s...  
WO/2014/179060A1
Disclosed are process controls for controlling the continuous preparation of nylon salt solution. The process controls include feed forward controls. A model is generated to achieve a target pH and/or salt concentration. Feed rates are s...  
WO/2014/179054A1
Agitated autoclave venting systems and related methods of cleaning and/or maintaining venting systems of the same are disclosed. The method includes introducing a polymerizable composition including a polyamide salt into an agitated auto...  
WO/2014/179045A1
A polymer finisher assembly having a finisher nozzle includes a vessel including an outlet orifice and an inlet orifice. The finisher nozzle extends through the inlet orifice of the vessel. The finisher nozzle includes an isometric barre...  
WO/2014/179062A1
Disclosed are nylon salt solution preparation processes including a trim diamine feed. The nylon salt solution is prepared by feeding a dicarboxylic acid monomer and a diamine monomer to a single continuous stirred tank reactor. The dica...  
WO/2014/175077A1
A metal phthalocyanine polymer characterized by having a repeating structural unit which is produced by the amide bonding of a structural unit represented by general formula (1a) to a structural unit represented by general formula (2a). ...  
WO/2014/175898A1
Described herein are processes of making biocompatible water-soluble polymers conjugates. In particular, large scale processes of making poly(L-γ-glutamyl-glutamate) conjugates that can be useful for a variety of drug delivery applicati...  

Matches 651 - 700 out of 17,665