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Maeba; Kouji
Kamisu, JP
No. of patents:

Patent Number Title Of Patent Date Issued
7897805 Polyisocyanate production method and polyisocyanate production system March 1, 2011
A polyisocyanate production method that can allow effective use of hydrogen chloride produced secondarily in a polyisocyanate production process, while allowing reduction of environmental burdens, and a polyisocyanate production system for performing the polyisocyanate production met
7767160 Apparatus for continuously producing polyisocyanate August 3, 2010
An apparatus for continuously producing polyisocyanate is provided for quickly contacting polyamine and carbonyl chloride in order to suppress an undesirable reaction between polyamine and polyisocyanate so that a by-product can be reduced and the yield of polyisocyanate can be impro
7718145 Polyisocyanate production system and gas treatment apparatus May 18, 2010
A polyisocyanate production system is provided that can stably produce chlorine from hydrogen chloride produced secondarily while reacting stably between carbonyl chloride and polyamine and can perform an effective treatment of the hydrochloric gas produced secondarily. A hydrochlori

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