B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 11/02 (2006.01) C09C 1/04 (2006.01) E04D 1/14 (2006.01) E04D 1/20 (2006.01) E04D 13/00 (2006.01)
Patent
CA 2471245
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.
Hardy Anne B.
Hong Keith C.
Johnson Andrew G. Jr.
Kalkanoglu Husnu M.
Salvatore James A.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Certainteed Corporation
LandOfFree
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