<p>Algae-resistant roofing granules include a mineral core; and an exterior coating including clay, colloidal silica, phosphate, a metal oxide, and a photocatalytic particulate having an average size under 100 nm.</p>
申请公布号
WO2008124344(A1)
申请公布日期
2008.10.16
申请号
WO2008US58661
申请日期
2008.03.28
申请人
CERTAINTEED CORPORATION;HONG, KEITH, C.;SHIAO, MING, LIANG;JACOBS, GREGORY, F.
发明人
HONG, KEITH, C.;SHIAO, MING, LIANG;JACOBS, GREGORY, F.
