JPS52139685A - Exhaust gas purification catalyst and production thereof - Google Patents

Exhaust gas purification catalyst and production thereof

Info

Publication number
JPS52139685A
JPS52139685A JP5665776A JP5665776A JPS52139685A JP S52139685 A JPS52139685 A JP S52139685A JP 5665776 A JP5665776 A JP 5665776A JP 5665776 A JP5665776 A JP 5665776A JP S52139685 A JPS52139685 A JP S52139685A
Authority
JP
Japan
Prior art keywords
production
exhaust gas
gas purification
purification catalyst
supporting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP5665776A
Other languages
Japanese (ja)
Other versions
JPS5541141B2 (en
Inventor
Shin Yamauchi
Kiyoshi Yonehara
Takashi Horie
Tetsutsugu Ono
Takashi Ohara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Shokubai Co Ltd
Original Assignee
Nippon Shokubai Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Shokubai Co Ltd filed Critical Nippon Shokubai Co Ltd
Priority to JP5665776A priority Critical patent/JPS52139685A/en
Priority to US05/782,759 priority patent/US4128503A/en
Publication of JPS52139685A publication Critical patent/JPS52139685A/en
Publication of JPS5541141B2 publication Critical patent/JPS5541141B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

PURPOSE: To produce a heat resistant and durable catalyst with high NOs purification efficiency even at low temperature and excellent poisoning resistance by which CO and hydrocarbons can be removed as well, by supporting P and Ba or P, Ba, and Ni on a carrier based on alumina and further supporting Pt and Rh.
COPYRIGHT: (C)1977,JPO&Japio
JP5665776A 1976-03-31 1976-05-19 Exhaust gas purification catalyst and production thereof Granted JPS52139685A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP5665776A JPS52139685A (en) 1976-05-19 1976-05-19 Exhaust gas purification catalyst and production thereof
US05/782,759 US4128503A (en) 1976-03-31 1977-03-30 Catalyst for purifying exhaust and waste gases and method for preparation thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5665776A JPS52139685A (en) 1976-05-19 1976-05-19 Exhaust gas purification catalyst and production thereof

Publications (2)

Publication Number Publication Date
JPS52139685A true JPS52139685A (en) 1977-11-21
JPS5541141B2 JPS5541141B2 (en) 1980-10-22

Family

ID=13033442

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5665776A Granted JPS52139685A (en) 1976-03-31 1976-05-19 Exhaust gas purification catalyst and production thereof

Country Status (1)

Country Link
JP (1) JPS52139685A (en)

Also Published As

Publication number Publication date
JPS5541141B2 (en) 1980-10-22

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