公开(公告)号：US3976745A

公开(公告)日：1976-08-24

申请号：US531309

申请日：1974-12-10

Applicant: Fumito Nakajima ,  Masato Tekeuchi ,  Shimpei Matsuda ,  Shigeo Uno ,  Toshikatsu Mori ,  Yoshihisa Watanabe ,  Makoto Imanari

Inventor： Fumito Nakajima ,  Masato Tekeuchi ,  Shimpei Matsuda ,  Shigeo Uno ,  Toshikatsu Mori ,  Yoshihisa Watanabe ,  Makoto Imanari

IPC: B01D53/86 ,  B01D53/94 ,  B01J23/14 ,  B01J23/24 ,  B01J23/835 ,  B01D53/34

CPC classification number: B01J23/835 ,  B01D53/9418 ,  B01J23/24 ,  B01D2255/20738 ,  B01D2255/20769 ,  B01D2255/20776 ,  B01D2255/2094

Abstract: A catalyst composition for reducing nitrogen oxides, which is characterized in that the same contains, as its chief ingredient,A. tin (Sn) as the component A, andB. at least one metal selected from the group consisting of molybdenum (Mo), tungsten (W), and iron (Fe), as the component (B).in the form of their oxides, and a process for reducing nitrogen oxides to nitrogen, which comprises contacting a gaseous mixture containing nitrogen oxides and molecular oxygen and a reducing gas with aforesaid catalyst composition at elevated temperatures.

Abstract translation: 一种还原氮氧化物的催化剂组合物，其特征在于，作为其成分的主要成分为含有作为成分A的锡锡（Sn），和B.选自钼（Mo） ，钨（W）和铁（Fe）作为组分（B）。

公开(公告)号：US3971832A

公开(公告)日：1976-07-27

申请号：US459849

申请日：1974-04-10

Applicant: Yoshihisa Watanabe ,  Makoto Takeda ,  Makoto Imanari

Inventor： Yoshihisa Watanabe ,  Makoto Takeda ,  Makoto Imanari

IPC: B01J23/34 ,  C07C37/16

CPC classification number: B01J23/34 ,  C07C37/16

Abstract: In a process for methylation of phenols having at least one ortho-positioned hydrogen with methanol in the vapor phase, the methylation is catalytically carried out in the presence of a manganese oxide catalyst to produce ortho-methylphenols.

Abstract translation: 在气相中具有至少一个邻位氢的甲基化甲基化的方法中，甲基化在氧化锰催化剂的存在下催化进行以产生邻甲基苯酚。