Photocatalytic coating

US8993471B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8993471-B2
Application numberUS-51989507-A
CountryUS
Kind codeB2
Filing dateDec 17, 2007
Priority dateDec 22, 2006
Publication dateMar 31, 2015
Grant dateMar 31, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

In one aspect, the present invention is directed to a coating composition. The coating composition comprises photocatalytic particles and an alkali metal silicate binder comprising a boric acid, borate, or combination thereof. In another aspect, the present invention is directed to a coated article. The coated article has a photocatalytic coating with improved durability on its external surface that is formed from the aforesaid coating composition.

First claim

Opening claim text (preview).

The invention claimed is: 1. A coated article, comprising: a roofing granule having an external surface and a coating on the external surface, wherein the coating is formed from a composition comprising photocatalytic TiO 2 particles and an alkali metal silicate binder, wherein the alkali metal silicate binder further comprises a boric acid or a combination of the boric acid and a sodium tetraborate pentahydrate. 2. The coated article of claim 1 , wherein t…

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What does patent US8993471B2 cover?
In one aspect, the present invention is directed to a coating composition. The coating composition comprises photocatalytic particles and an alkali metal silicate binder comprising a boric acid, borate, or combination thereof. In another aspect, the present invention is directed to a coated article. The coated article has a photocatalytic coating with improved durability on its external surface…
Who is the assignee on this patent?
Bai Feng, Gould Rachael A T, Anderson Mark T, and 1 more
What technology area does this patent fall under?
Primary CPC classification E04D13/002. Mapped technology areas include Fixed Constructions.
When was this patent published?
Publication date Tue Mar 31 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).