1
Paul A Sermon: Catalysis. Johnson Matthey & Co, Cushman Darby & Cushman, October 14, 1980: US04228138 (16 worldwide citation)

This invention relates to the purification of air and other gaseous media. In particular the invention is concerned with the decomposition of one or more of the oxides of nitrogen which may be present in a gas stream also containing gaseous compounds such as carbon monoxide and hydrocarbons. In cert ...


2
Paul A Sermon: Method of removing nitric oxide from gases. Johnson Matthey & Co, Cushman Darby & Cushman, March 6, 1979: US04143120 (5 worldwide citation)

This invention relates to a process for the purification of air and other gaseous media. The invention is particularly directed towards a process for the decomposition of one or more of the oxides of nitrogen present in a gas stream containing gaseous compositions such as carbon monoxide and hydroca ...


3
Paul A Sermon: Catalysis. Johnson Matthey & Co, Cushman Darby & Cushman, March 17, 1981: US04256711 (4 worldwide citation)

This invention relates to catalysts and more particularly to the catalyst decomposition of one or more oxides of nitrogen present in a gas stream by contacting the gas with a catalyst comprising a compound of the formula A.sub.x B.sub.y, where A is selected from the group consisting of Tl, Zr, Hf, V ...


4
Paul A Sermon: Catalyst for the decomposition of nitrogen oxides. Johnson Matthey & Co, Cushman Darby & Cushman, May 9, 1978: US04088604 (3 worldwide citation)

This invention relates to catalysts which may be used in the purification of air and other gaseous media. More particularly, the invention relates to catalysts which may be used in the decomposition of one or more of the oxides of nitrogen comprising a mixed oxide of iron and cobalt selected from th ...


5
Paul A Sermon: Catalysis. Johnson Matthey & Co, Cushman Darby & Cushman, October 27, 1981: US04297331 (1 worldwide citation)

This invention relates to catalysts and more particularly to the catalyst decomposition of one or more oxides of nitrogen present in a gas stream by contacting the gas with a catalyst comprising a compound of the formula A.sub.x B.sub.y, where A is selected from the group consisting of Ti, Zr, Hf, V ...