Catalyst composition and exhaust gas purifying method

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United States of America Patent

PATENT NO 9861959
SERIAL NO

14783326

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Abstract

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An exhaust gas purifying catalyst of the present invention includes: a first metal oxide selected from the group of praseodymium oxide, terbium oxide, and a combination thereof; a second metal oxide that is neodymium oxide; a third metal oxide that is zirconia or a combination of zirconia and ceria; and a fourth metal oxide selected from the group of lanthanum oxide, yttrium oxide, barium oxide, calcium oxide, strontium oxide, silicon oxide and a combination thereof.

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Patent Owner(s)

Patent OwnerAddress
TOYOTA JIDOSHA KABUSHIKI KAISHATOYOTA-SHI AICHI-KEN 471-8571
DAIICHI KIGENSO KAGAKU KOGYO CO LTDOSAKA-SHI OSAKA 541-0041

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hayashida, Hiroyuki Osaka, JP 22 108
Hirose, Yoshikazu Osaka, JP 35 489
Nakayama, Shigeki Gotenba, JP 92 653
Nishioka, Hiromasa Susono, JP 91 252
Sakurai, Kenji Gotenba, JP 78 459

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