NOBLE METAL COLLOID PARTICLES AND NOBLE METAL COLLOID SOLUTION, AND CATALYST FOR OXYGEN REDUCTION

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United States of America Patent

APP PUB NO 20130281290A1
SERIAL NO

13976277

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The noble metal colloidal particles of the present invention are noble metal colloidal particles each including: a Pd colloidal particle; and Pt supported on the surface of the Pd colloidal particle. The noble metal colloidal particles are substantially free from a protective colloid. The Pd colloidal particles have an average particle diameter of 7 to 20 nm. The amount of the Pt supported on the surface of the Pd colloidal particle is 0.05 to 0.65 atomic layer thick, when the amount is expressed as the number of atomic layers of the Pt. The noble metal colloidal solution of the present invention can be obtained by dispersing these noble metal colloidal particles of the present invention in a solvent.

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Patent Owner(s)

Patent OwnerAddress
NIPPON SHEET GLASS COMPANY LIMITEDOSAKA-SHI OSAKA 541-8559

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Horiguchi, Haruko Mie, JP 3 1
Miyashita, Kiyoshi Hyogo, JP 75 928

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