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Patent

Hänvisningar finns i följande patent

citeras i Registreringsdatum Utfärdandedatum Ursprunglig innehavare Titel
US654814510 maj 200115 apr 2003ISP Investments Inc.Roofing granules with a decorative metallic appearance
US660778115 jan 200319 aug 2003ISP Investments Inc.Roofing granules with a decorative metallic appearance
US683815221 jan 20034 jan 2005ISP Investments Inc.Low pigments costs algae-retardant roofing granule products containing metallic copper
US74558997 okt 200325 nov 20083M Innovative Properties CompanyNon-white construction surface
US764875527 okt 200819 jan 20103M Innovative Properties CompanyNon-white construction surface
US768710620 jun 200330 mar 2010CertainTeed CorporationAlgae resistant roofing granules with controlled algaecide leaching rates, algae resistant shingles, and process for producing same
US781163020 jun 200312 okt 2010CertainTeed CorporationAlgae resistant roofing granules with controlled algaecide leaching rates, algae resistant shingles, and process for producing same
US791917026 okt 20095 apr 20113M Innovative Properties CompanyNon-white construction surface
US80390482 nov 200918 okt 2011CertainTeed CorporationAlgae resistant roofing granules with controlled algaecide leaching rates, algae resistant shingles and process for producing same