Invention Grant
- Patent Title: Colored roofing granules with increased solar heat reflectance, solar heat-reflective shingles and process for producing same
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Application No.: US16438016Application Date: 2019-06-11
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Publication No.: US11255089B2Publication Date: 2022-02-22
- Inventor: Keith C. Hong , Ming Liang Shiao , Husnu M. Kalkanoglu
- Applicant: CertainTeed LLC
- Applicant Address: US PA Malvern
- Assignee: CertainTeed LLC
- Current Assignee: CertainTeed LLC
- Current Assignee Address: US PA Malvern
- Agency: McDonnell Boehnen Hulbert & Berghoff LLP
- Main IPC: B32B5/16
- IPC: B32B5/16 ; E04D5/12 ; B05D7/00 ; E04D1/00
Abstract:
Solar-reflective roofing granules having deep-tone colors are formed by coating base mineral particles with a coating composition including an infrared-reflective pigment. Color is provided by a colored infrared pigment, a light-interference platelet pigment, or a metal oxide.
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