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Patent Searching and Data


Matches 701 - 750 out of 1,849

Document Document Title
JP2008179613A5  
JP2010270147A5  
JP2011501687A
Method of fractionating a mixture ofpolyisocyanates in the liquid phase, optionally in the presence of a suitable solvent or mixture of two or more solvents, by means of a selectively permeable membrane into a permeate stream and a reten...  
JP4606805B2  
JP4606918B2  
JP2010539210A
The present invention relates to a process for preparing diisocyanates from diamines and phosgene in the gas phase.  
JP2010536911A
The present invention relates to the manufacturing process of isocyanate.  
JP2010536928A
The invention provides a process for preparing polyisocyanates, comprising the steps of a) reacting amines with phosgene, b) removing hydrogen chloride, excess phosgene and, if appropriate, the solvent from the reaction mixture, c) separ...  
JP2010536803A
The present invention provides a flow duct type jet reactor and a process for preparing isocyanates using it. The flow duct type jet reactor situates flow ducts in inner feed pipe which form whirlpool and reinforce vortex, thereby amine ...  
JP2010536912A
The present invention relates to the manufacturing process of isocyanate.  
JP2010270147A
To provide a method for producing methylenedianiline (MDA) by reacting aniline with formaldehyde in the presence of acid catalysts while minimizing the N-methyl-MDA content as an undesirable by-product.The semicontinuous method for produ...  
JP4583596B2  
JP4574170B2  
JP4574272B2  
JP4567390B2  
JP4563647B2  
JP4558201B2  
JP4554595B2  
JP4541685B2  
JP2010529064A
The present invention relates to a process for preparing mixtures of diphenylmethane diisocyanates and polyphenyl polymethylene polyisocyanates by sequential reaction of benzene to nitrobenzene to aniline to polyphenyl polymethylene poly...  
JP4515044B2  
JP2010522704A
The present invention describes a process for preparing water-emusifiable polyisocyanate.  
JP4499506B2  
JP2010143900A
To provide a method for gas-phase phosgenation of an aromatic diamine on a large commercial scale while minimizing the formation of solid materials. The method for producing m-toluene diisocyanate comprises supplying a reactor with a gas...  
JP2010143899A
To provide a method for producing isocyanate by reacting a primary amine with phosgene in a gas phase, with a large commercial scale. There is provided the method wherein a primary amine and phosgene are reacted in a gas phase, in a tubu...  
JP2010138171A
To provide a production method of aromatic isocyanate by reacting one or more aromatic primary amine with phosgene in the gas phase. The phosgene and primary aromatic amine are reacted at a temperature above the boiling temperature of th...  
JP2007326854A5  
JP4490288B2  
JP4486800B2  
JP2010132474A
To provide a method and apparatus for producing carbonyl chloride in which a supply amount of chlorine is kept equal to or less than a supply amount of carbon monoxide in terms of molar ratio so that a polyisocyanate can be prevented fro...  
JP4480080B2  
JP2010120870A
To provide a method for producing a methylene-crosslinked polyphenyl polyisocyanate which achieves sufficient hue improvement while suppressing an amount of hydrogen chloride used.The method for producing a methylene-crosslinked polyphen...  
JP4469630B2  
JP2010111610A
To provide an organic polyisocyanate composition effectively prevented from discoloring.The organic polyisocyanate composition is obtained by blending an organic polyisocyanate compound, a phenolic anti-oxidation agent, and an organic ph...  
JP2010516640A
Producing diisocyanate comprises reacting corresponding diamines with stoichiometric excess of phosgene in at least a reaction zone, where: the reaction condition is selected in such a way that at least the reaction components diamine, d...  
JP2010111611A
To provide an organic polyisocyanate composition effectively prevented from discoloring.The organic polyisocyanate composition is obtained by blending an organic polyisocyanate compound, a phenolic anti-oxidation agent, and an organic ph...  
JP2010100542A
To provide a method for producing silica particles each having a cross-linking functional group, such as an isocyanate group or an epoxy group, useful for binding a biomolecule or the other to the silica particle.This invention relates t...  
JP2010512364A
The present invention relates to a process for preparing isocyanates in particular apparatuses.  
JP2010077165A
To provide a method for synthesizing a fluorinated compound using a carbamoyl fluoride as a fluorinating source.The method for using a carbamoyl fluoride as fluorinating agent is disclosed. The method comprises treating a derivative bear...  
JP4443637B2  
JP4443149B2  
JP2010508373A
The present invention relates to a process for preparing isocyanates.  
JP2010508374A
The invention relates to a process for preparing isocyanates in the gas phase.  
JP2010508375A
The invention relates to a process for preparing isocyanates in the gas phase.  
JP2010507614A
The present invention is a manufacturing method of the isocyanate by phosgene-izing of amine, and relates to the manufacturing method of the isocyanate making it contact within at least two sets of the mixed chambers with which phosgene ...  
JP2010047503A
To provide a method for producing an isocyanate mixture reduced in the content of a metal affecting the reactivity of the isocyanate mixture.There is provided the method for producing the isocyanate mixture C, having a reaction process f...  
JP2010047501A
To provide a method of pre-treatment before producing an isocyanate mixture for obtaining the isocyanate mixture reduced in the contents of metals, such as iron, affecting the reactivity of the isocyanate mixture.There is provided the pr...  
JP2009523757A5  
JP2010504918A
How to prepare isocyanate by ジ of the fatty series in a hole injection type reactor and its use, especially the above-mentioned reactor, or an aromatic series, or the gaseous phase reaction of triamine and phosgene. By mixing a reactio...  
JP4416646B2  

Matches 701 - 750 out of 1,849