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Photocatalyst coated body and photocatalyst coating liquid
US9079155B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9079155-B2 |
| Application number | US-201113813013-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 26, 2011 |
| Priority date | Jul 29, 2010 |
| Publication date | Jul 14, 2015 |
| Grant date | Jul 14, 2015 |
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Abstract
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A photocatalyst coated body includes a base and a photocatalyst layer provided on the base. The photocatalyst coated body is characterized in that photocatalyst layer contains 1-20 (inclusive) parts by mass of photocatalyst particles, 30-98 (inclusive) parts by mass of silica particles and 1-50 (inclusive) parts by mass of zirconia particles, so that the total all of these particles is 100 parts by mass. The photocatalyst coated body is also characterized in that the zirconia particles are at least one kind of particles selected from the group consisting of crystalline zirconia particles having an average crystallite diameter of 10 nm or less and amorphous zirconia particles. Such photocatalyst coated body has excellent photocatalytic degradation function and excellent weather resistance; and also it is capable of suppressing the formation of intermediate products such as NO 2 , while increasing the amount of NO x removed during removal of NO x in the air.
First claim
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The invention claimed is: 1. A photocatalyst-coated body comprising a substrate and a photocatalyst layer provided on the substrate, the photocatalyst layer comprising: photocatalyst particles being not less than 1 parts by mass and not more than 20 parts by mass, silica particles being not less than 30 parts by mass and not more than 98 parts by mass, and zirconia particles being not less than 1 parts by mass and not more than 50 parts by mass, wherein the total content o…
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Operations & Transport · mapped topic
- B01J21/08Primary
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
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- What does patent US9079155B2 cover?
- A photocatalyst coated body includes a base and a photocatalyst layer provided on the base. The photocatalyst coated body is characterized in that photocatalyst layer contains 1-20 (inclusive) parts by mass of photocatalyst particles, 30-98 (inclusive) parts by mass of silica particles and 1-50 (inclusive) parts by mass of zirconia particles, so that the total all of these particles is 100 part…
- Who is the assignee on this patent?
- Fujii Hiroyuki, Kameshima Junji, Omoshiki Koji, and 3 more
- What technology area does this patent fall under?
- Primary CPC classification B01J21/08. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Jul 14 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).