A - Human Necessities – 01 – N
Patent
A - Human Necessities
01
N
A01N 59/20 (2006.01) A01N 25/12 (2006.01) E04D 1/16 (2006.01) E04D 13/00 (2006.01)
Patent
CA 2122080
A method of inhibiting algae growth on an asphalt shingle surface exposed to varying humidity using a blend of copper-containing algae-resistant granules and non-algae-resistant granules is presented. The copper-containing algae-resistant granules comprise a substrate granule having at least one inner ceramic coating layer comprising cuprous oxide and a seal coating having a thickness covering the inner layer and which is at time to devoid of copper.
Fay William T.
George Billy L.
Kayser Mark H.
Narayan Sankar B.
Sobon Christine A.
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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