Invention Grant
- Patent Title: Asphaltic membrane with mullite-containing granules
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Application No.: US15385102Application Date: 2016-12-20
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Publication No.: US10227780B2Publication Date: 2019-03-12
- Inventor: Wensheng Zhou
- Applicant: FIRESTONE BUILDING PRODUCTS CO., LLC
- Applicant Address: US IN Indianapolis
- Assignee: Firestone Building Products Co., LLC
- Current Assignee: Firestone Building Products Co., LLC
- Current Assignee Address: US IN Indianapolis
- Agent Brian D. McAlhaney; Arthur M. Reginelli
- Main IPC: E04D1/20
- IPC: E04D1/20 ; E04D5/08 ; E04D1/22 ; E04D5/12 ; E04D1/00 ; E04B1/74 ; E04B1/76
Abstract:
A roofing article comprising (i) an asphaltic substrate; and (ii) a plurality of mullite-containing granules disposed on a surface of the substrate, where said mullite-containing granules include a mullite concentration of at least 35 wt % and at most 63 wt % as determined by quantitative x-ray diffraction.
Public/Granted literature
- US20170107721A1 ASPHALTIC MEMBRANE WITH MULLITE-CONTAINING GRANULES Public/Granted day:2017-04-20
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