Invention Grant
- Patent Title: Mineral surfaced asphalt-based roofing products with encapsulated healing agents and methods of producing the same
- Patent Title (中): 具有封装的愈合剂的矿物表面沥青基屋顶产品及其生产方法
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Application No.: US12056010Application Date: 2008-03-26
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Publication No.: US08349435B2Publication Date: 2013-01-08
- Inventor: Ming Liang Shiao , Keith C. Hong , Gregory F. Jacobs
- Applicant: Ming Liang Shiao , Keith C. Hong , Gregory F. Jacobs
- Applicant Address: US PA Valley Forge
- Assignee: CertainTeed Corporation
- Current Assignee: CertainTeed Corporation
- Current Assignee Address: US PA Valley Forge
- Agency: Paul & Paul
- Main IPC: D06N7/00
- IPC: D06N7/00 ; D06N7/04 ; G11B5/64 ; E01F9/04 ; B32B5/16 ; B32B9/00 ; B32B15/02 ; B32B17/02 ; B32B19/00 ; B32B21/02 ; B32B23/02 ; B32B27/02
Abstract:
An asphalt-based sheet roofing material includes capsules on its upper surface. When struck, as by hailstones, the capsules break to release a film forming fluid that spreads over the surface to heal the damage created by the hailstones.
Public/Granted literature
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