Surface covering building materials resistant to microbial growth staining
AssigneeElk Premium Building Products, Inc.
InventorsMatti Kiik, Michael L. Bryson, Casimir Paul Weaver, Robert Eugene Pine
Life of this patent
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Abstract
The present disclosure relates to surface covering building materials for roofs, sidewalls and other exterior surfaces exposed tb the weather such as, but not limited to, asphaltic and non-asphaltic roofing materials, wherein said surface covering building materials exhibit long-term resistance to microbial growth-induced staining. The surface covering building materials include a component having antimicrobial potential which consists essentially of (a) a copper component or a tin component and (b) a barium metaborate monohydrate component.
Claims18
A surface covering building material including a component having antimicrobial potential in an amount sufficient to resist microbial growth-induced staining of said material, which consists essentially of (a) a copper component selected from the group consisting of copper powder and copper flakes and (b) a barium metaborate monohydrate component.
A surface covering building material including a component having antimicrobial potential in an amount sufficient to resist microbial growth-induced staining of said material, said component consisting essentially of (a) a tin component selected from the group consisting of tin powder and tin sulfate and (b) a barium metaborate monohydrate component.
A colored granule for surface covering building materials comprising a paint film portion which includes a component having antimicrobial potential in an amount sufficient to resist growth-induced staining of said material, which consists essentially of (a) a barium metaborate monohydrate component and (b) a component selected from the group consisting of copper powder, copper flakes, tin sulfate and tin powder.
Dependencies are inferred from the claim text.