| 发明名称 |
Algae resistant roofing granules with controlled algaecide leaching rates, algae resistant shingles, and process for producing same |
| 摘要 |
Algae-resistant roofing granules are formed by extruding a mixture of mineral particles and a binder to form porous granule bodies, and algaecide is distributed in the pores. Release of the algaecide is controlled by the structure of the granules.
|
| 申请公布号 |
US7811630(B2) |
申请公布日期 |
2010.10.12 |
| 申请号 |
US20030600809 |
申请日期 |
2003.06.20 |
| 申请人 |
CERTAINTEED CORPORATION |
发明人 |
HONG KEITH C.;KALKANOGLU HUSNU M.;SHIAO MING L.;HARDY ANNE B.;SALVATORE JAMES A.;JOHNSON, JR. ANDREW G. |
| 分类号 |
B05D7/00;E04D1/20;E04D13/00 |
主分类号 |
B05D7/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
