Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 551 - 600 out of 1,754

Document Document Title
JP2012233004A
To provide a method for producing polyisocyanate by which a reaction liquid can be stably circulated in a circulation line without installing a particular solution sending means, and the stable removal of hydrogen chloride from the react...  
JP5085971B2  
JP5074400B2
The invention provides a multistage process for continuously preparing organic, distillable polyisocyanates, preferably diisocyanates, more preferably aliphatic or cycloaliphatic diisocyanates, by reacting the corresponding organic polya...  
JP5067906B2  
JP5054870B2  
JP5054291B2  
JP2012524746A  
JP5048932B2  
JP5044553B2  
JP5043191B2  
JP2012523389A  
JP5039562B2  
JP2012520853A  
JP2012519667A  
JP5006137B2  
JP2012153708A
To provide a method for producing N-substituted carbamic ester, a composition for transfer and storage containing the N-substituted carbamic ester, and a method for producing isocyanate by thermal decomposition of the compound.A composit...  
JP2012152202A
To provide a method for producing pentamethylene diisocyanate, capable of more easily producing pentamethylene diisocyanate at a low cost and at a high yield.Pentamethylene diisocyanate is produced by: obtaining an aqueous solution conta...  
JP2012153709A
To provide a method for producing N-substituted carbamic ester suitable for transfer and storage, and further suitable for producing isocyanate.In the method for producing N-substituted carbamic ester, organic amine, a carbonic acid deri...  
JP5001558B2  
JP4995383B2  
JP4993827B2  
JP4958971B2  
JP4955911B2
The present invention relates to a method for preparing an isocyanate compound by introducing phosgene into an organic solvent solution of a carbonate of a corresponding amine compound and reacting the carbonate of the amine compound wit...  
JP4959092B2  
JP2012512854A  
JP4943606B2  
JP2012097123A
To provide a method for producing an isocyanate by using a composition comprising a carbamic acid ester and an aromatic hydroxy compound, which does not need to use any phosgene and does not have various problems like those in a conventi...  
JP4938007B2  
JP4933530B2  
JP2012510495A  
JP2012509853A  
JP2012509301A  
JP2012509297A  
JP2012508212A  
JP2012067031A
To provide a method of producing an N-unsubstituted carbamate capable of reducing generation of a by-product, the N-unsubstituted carbamate obtained by the production method, a production method for an isocyanate of producing the isocyan...  
JP2012505850A  
JP4884639B2
In a process for mixing reactant streams ( 1, 2; 5 ) to produce a product stream ( 10 ) using a mixing configuration ( 15, 16 ) having a number of reactant feed points, an excess component stream of one reactant is divided into two react...  
JP2012504644A  
JP2012504643A  
JP2012504578A  
JP4879560B2  
JP4875842B2  
JP4868717B2  
JP4868498B2  
JP2012017280A
To provide a method for producing a toluene dicarbamate, by which the production of by-products can be reduced, to provide the toluene dicarbamate obtained by the production method, and to provide a method for producing toluene diisocyan...  
JP2012017278A
To provide a method for producing a toluene dicarbamate, by which the production of by-products can be reduced, to provide the toluene dicarbamate obtained by the production method, and to provide a method for producing toluene diisocyan...  
JP4861322B2  
JP4859255B2  
JP2011529947A  
JP4833966B2  

Matches 551 - 600 out of 1,754