E - Fixed Constructions – 04 – D
Patent
E - Fixed Constructions
04
D
E04D 1/16 (2006.01) A01N 25/12 (2006.01) A01N 59/20 (2006.01) B05D 1/12 (2006.01) B32B 1/00 (2006.01) B32B 33/00 (2006.01) D06N 5/00 (2006.01)
Patent
CA 2487212
A method of making algae-resistant shingles in which the algae-inhibiting material, usually a copper compound, is applied only to larger granules, instead of being applied to a full size range of granules. Use of the larger granules only, as algae-resistant granules, significantly increases the percentage of surface area of algae-resistant granules for releasing algae-inhibiting material and also reduces the material consumption of the algae-inhibiting material during production of the algae-resistant granules, thus substantially reducing cost.
Méthode de fabrication de bardeaux de toiture résistants aux algues utilisant un agent inhibiteur des algues, généralement constitué d'un composé de cuivre. Cet agent inhibiteur est appliqué seulement aux granules les plus grosses, et non à l'ensemble des granules. Cette méthode permet d'augmenter de façon marquée la proportion de la surface de granules requise pour libérer l'agent inhibiteur et de réduire la quantité d'agent inhibiteur requise pendant la production des granules résistants aux algues, ce qui permet de réduire sensiblement le coût.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Koschitzky Henry
LandOfFree
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