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US 7,605,108 B2Granted
Catalyst, exhaust gas purification catalyst, and method for manufacturing same
AssigneeNissan Motor Co., Ltd.
InventorsHironori Wakamatsu, Hirofumi Yasuda, Kazuyuki Shiratori, Masanori Nakamura, Katsuo Suga, Toru Sekiba
Life of this patent
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Abstract
A catalyst which suppresses aggregation of metal particles and which has superior heat resistance. In the catalyst, metal particles are supported by a surface of a carrier while being partially embedded therein.
Claims7
A catalyst comprising:
- noble metal particles supported by a surface of a carrier, the noble metal particles being partially embedded in the surface of the carrier and partially exposed on an outer periphery of the surface of the carrier and having a particle diameter of about 1 nm to 10 nm.
Dependencies are inferred from the claim text.