The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 19, 2009
Filed:
Sep. 18, 2007
Takahiro Yamaguchi, Nagoya, JP;
Toshio Imai, Yokosuka, JP;
Takahiro Yamaguchi, Nagoya, JP;
Toshio Imai, Yokosuka, JP;
Nichiha Corporation, Nagoya-Shi, JP;
Abstract
Provided is a functional building board having an antimicrobial function, which retains anti-algal and antifungal agents for a long period of time in a coat on an external wall material by using several kinds of antimicrobial composite materials, and is provided with stain-proofing function to wash away stains on the external wall material, and in which the design is not largely restricted by the color of the anti-algal or antifungal paint or by the state of the coat and the design is not influenced by the coating step in the final step. The building board according to the present invention has a coat formed on the surface, and is characterized in that antimicrobial composite materials are included on the surface of the coat and a coat layer containing colloidal silica as a main component is formed, said antimicrobial composite materials being characterized in that they control generation of algae and fungi and said building board being a fiber reinforced cement board.