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Catalyst for purifying automotive exhaust gases

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01J-023/58
출원번호 US-0484314 (1974-06-28)
발명자 / 주소
  • Acres Gary James Keith (London EN) Cooper Barry John (London EN) Diwell Alan Francis (London EN) Evans William David James (London EN)
출원인 / 주소
  • Johnson Matthey & Co., Limited (London EN 03)
인용정보 피인용 횟수 : 49  인용 특허 : 0

초록

This invention relates to catalyst for use in the control of atmospheric pollution and, in particular, to the purification of exhaust gases from internal combustion engines. Specific catalysts of the present invention comprise: A. RUTHENIUM OR AN ALLOY THEREOF AND A METAL OXIDE CAPABLE OF FORMING A

대표청구항

A catalyst comprising an inert unitary porous ceramic honeycomb having a layer of a first or intermediate coating of a high surface area catalytically active refractory metal oxide and a second layer deposited upon the first layer comprising a catalytically active material selected from the group co

이 특허를 인용한 특허 (49)

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